Updated repo name

Incrementing version to reflect new delete feature!
Adding delete command documentation
2025-01-18 04:53:17 -08:00 · 2018-05-07 16:40:23 +10:00 · 2018-05-07 16:38:26 +10:00 · 2018-05-07 16:34:29 +10:00 · 2018-05-07 16:31:26 +10:00 · 2018-05-07 16:26:38 +10:00
97 changed files with 7825 additions and 284 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 # Folders
 _obj
 _test
+bin
 build
 .DS_Store

@@ -20,8 +21,18 @@ _cgo_gotypes.go
 _cgo_export.*

 _testmain.go
-
+coverage.out
 *.exe
 *.test
 *.prof
 yaml
+vendor/*/
+tmp/
+cover/
+yq
+
+# snapcraft
+parts/
+prime/
+.snapcraft/
+yq*.snap
--- a/.travis.yml
+++ b/.travis.yml
@@ -0,0 +1,6 @@
+language: go
+go:
+    - 1.9.x
+script:
+  - scripts/devtools.sh
+  - make local build
--- a/17
+++ b/17
@@ -0,0 +1,17 @@
+FROM golang:1.9 as builder
+
+WORKDIR /go/src/mikefarah/yq
+
+COPY . /go/src/mikefarah/yq
+
+RUN scripts/devtools.sh
+RUN CGO_ENABLED=0 make local build
+
+# Choose alpine as a base image to make this useful for CI, as many
+# CI tools expect an interactive shell inside the container
+FROM alpine:3.7
+
+COPY --from=builder /go/src/mikefarah/yq/yq /usr/bin/yq
+RUN chmod +x /usr/bin/yq
+
+WORKDIR /workdir
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -0,0 +1,30 @@
+FROM golang:1.9
+
+COPY scripts/devtools.sh /opt/devtools.sh
+
+RUN set -e -x \
+    && /opt/devtools.sh
+
+# install mkdocs
+RUN set -ex \
+    && buildDeps=' \
+        build-essential \
+        python-dev \
+    ' \
+    && apt-get update && apt-get install -y --no-install-recommends \
+        $buildDeps \
+        python2.7 \
+        python-setuptools \
+        python-wheel \
+        python-pip \
+    && pip install --upgrade \
+        pip \
+        'Markdown>=2.6.9' \
+        'mkdocs>=0.16.3' \
+        'mkdocs-material>=1.10.1' \
+        'markdown-include>=0.5.1' \
+    && apt-get purge -y --auto-remove $buildDeps \
+    && rm -rf /var/lib/apt/lists/*
+
+ENV CGO_ENABLED 0
+ENV GOPATH /go:/yq
--- a/19
+++ b/19
@@ -0,0 +1,19 @@
+Copyright (c) 2017 Mike Farah
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/120
+++ b/120
@@ -0,0 +1,120 @@
+MAKEFLAGS += --warn-undefined-variables
+SHELL := /bin/bash
+.SHELLFLAGS := -o pipefail -euc
+.DEFAULT_GOAL := install
+
+include Makefile.variables
+
+.PHONY: help
+help:
+	@echo 'Management commands for cicdtest:'
+	@echo
+	@echo 'Usage:'
+	@echo '  ## Develop / Test Commands'
+	@echo '    make build           Build yq binary.'
+	@echo '    make install         Install yq.'
+	@echo '    make xcompile        Build cross-compiled binaries of yq.'
+	@echo '    make snap            Build a snap package of yq.'
+	@echo '    make vendor          Install dependencies using govendor.'
+	@echo '    make format          Run code formatter.'
+	@echo '    make check           Run static code analysis (lint).'
+	@echo '    make test            Run tests on project.'
+	@echo '    make cover           Run tests and capture code coverage metrics on project.'
+	@echo '    make clean           Clean the directory tree of produced artifacts.'
+	@echo
+	@echo '  ## Utility Commands'
+	@echo '    make setup           Configures Minishfit/Docker directory mounts.'
+	@echo
+
+
+.PHONY: clean
+clean:
+	@rm -rf bin build cover *.out
+
+## prefix before other make targets to run in your local dev environment
+local: | quiet
+	@$(eval DOCKRUN= )
+	@mkdir -p tmp
+	@touch tmp/dev_image_id
+quiet: # this is silly but shuts up 'Nothing to be done for `local`'
+	@:
+
+prepare: tmp/dev_image_id
+tmp/dev_image_id: Dockerfile.dev scripts/devtools.sh
+	@mkdir -p tmp
+	@docker rmi -f ${DEV_IMAGE} > /dev/null 2>&1 || true
+	@docker build -t ${DEV_IMAGE} -f Dockerfile.dev .
+	@docker inspect -f "{{ .ID }}" ${DEV_IMAGE} > tmp/dev_image_id
+
+# ----------------------------------------------
+# build
+.PHONY: build
+build: build/dev
+
+.PHONY: build/dev
+build/dev: test *.go
+	@mkdir -p bin/
+	${DOCKRUN} go build --ldflags "$(LDFLAGS)"
+	${DOCKRUN} bash ./scripts/acceptance.sh
+
+## Compile the project for multiple OS and Architectures.
+xcompile: check
+	@rm -rf build/
+	@mkdir -p build
+	${DOCKRUN} bash ./scripts/xcompile.sh
+	@find build -type d -exec chmod 755 {} \; || :
+	@find build -type f -exec chmod 755 {} \; || :
+
+.PHONY: snap
+snap:
+	snapcraft
+
+.PHONY: install
+install: build
+	${DOCKRUN} go install
+
+# Each of the fetch should be an entry within vendor.json; not currently included within project
+.PHONY: vendor
+vendor: tmp/dev_image_id
+	${DOCKRUN} govendor sync
+	@chmod 664 vendor/vendor.json
+
+# ----------------------------------------------
+# develop and test
+
+.PHONY: format
+format: vendor
+	${DOCKRUN} bash ./scripts/format.sh
+
+.PHONY: check
+check: format
+	${DOCKRUN} bash ./scripts/check.sh
+
+.PHONY: test
+test: check
+	${DOCKRUN} bash ./scripts/test.sh
+
+.PHONY: cover
+cover: check
+	@rm -rf cover/
+	@mkdir -p cover
+	${DOCKRUN} bash ./scripts/coverage.sh
+	@find cover -type d -exec chmod 755 {} \; || :
+	@find cover -type f -exec chmod 644 {} \; || :
+
+.PHONY: build-docs
+build-docs: prepare mkdocs.yml mkdocs/*
+	${DOCKRUN} mkdocs build
+	@find docs -type d -exec chmod 755 {} \; || :
+	@find docs -type f -exec chmod 644 {} \; || :
+
+.PHONY: release
+release: xcompile
+	${DOCKRUN} bash ./scripts/publish.sh
+
+# ----------------------------------------------
+# utilities
+
+.PHONY: setup
+setup:
+	@bash ./scripts/setup.sh
--- a/Makefile.variables
+++ b/Makefile.variables
@@ -0,0 +1,38 @@
+export PROJECT = yq
+IMPORT_PATH := github.com/mikefarah/${PROJECT}
+
+export GIT_COMMIT = $(shell git rev-parse --short HEAD)
+export GIT_DIRTY = $(shell test -n "$$(git status --porcelain)" && echo "+CHANGES" || true)
+export GIT_DESCRIBE = $(shell git describe --tags --always)
+LDFLAGS :=
+LDFLAGS += -X main.GitCommit=${GIT_COMMIT}${GIT_DIRTY}
+LDFLAGS += -X main.GitDescribe=${GIT_DESCRIBE}
+
+GITHUB_TOKEN ?=
+
+# Windows environment?
+CYG_CHECK := $(shell hash cygpath 2>/dev/null && echo 1)
+ifeq ($(CYG_CHECK),1)
+	VBOX_CHECK := $(shell hash VBoxManage 2>/dev/null && echo 1)
+
+	# Docker Toolbox (pre-Windows 10)
+	ifeq ($(VBOX_CHECK),1)
+		ROOT := /${PROJECT}
+	else
+		# Docker Windows
+		ROOT := $(shell cygpath -m -a "$(shell pwd)")
+	endif
+else
+	# all non-windows environments
+	ROOT := $(shell pwd)
+endif
+
+DEV_IMAGE := ${PROJECT}_dev
+
+DOCKRUN := docker run --rm \
+	-e LDFLAGS="${LDFLAGS}" \
+	-e GITHUB_TOKEN="${GITHUB_TOKEN}" \
+	-v ${ROOT}/vendor:/go/src \
+	-v ${ROOT}:/${PROJECT}/src/${IMPORT_PATH} \
+	-w /${PROJECT}/src/${IMPORT_PATH} \
+	${DEV_IMAGE}
--- a/README.md
+++ b/README.md
@@ -1,73 +1,80 @@
-# yaml
-yaml command line tool written in go
+# yq [![Build Status](https://travis-ci.org/mikefarah/yq.svg?branch=master)](https://travis-ci.org/mikefarah/yq)
+a lightweight and portable command-line YAML processor

-Allows you to read (and soon update) yaml files given a yaml path. All in a lovely dependency free binary!
+The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.

-[Download latest release](https://github.com/mikefarah/yaml/releases/latest)
-
-or alternatively install using go get:
+## Install
+On MacOS:
 ```
-go get github.com/mikefarah/yaml
+brew install yq
+```
+On Ubuntu and other Linux distros supporting `snap` packages:
+```
+snap install yq
+```
+or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
+```
+go get github.com/mikefarah/yq
 ```

-## Read examples
-```
-yaml <yaml file> <path>
-```
+## Run with Docker
+
+Oneshot use:

-### Basic
-Given a sample.yaml file of:
-```yaml
-b:
-  c: 2
-```
-then
 ```bash
-yaml sample.yaml b.c
+docker run -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
 ```
-will output the value of '2'.

-### Handling '.' in the yaml key
-Given a sample.yaml file of:
-```yaml
-b.x:
-  c: 2
-```
-then
+Run commands interactively:
+
 ```bash
-yaml sample.yaml \"b.x\".c
+docker run -it -v ${PWD}:/workdir mikefarah/yq sh
 ```
-will output the value of '2'.

-### Arrays
-You can give an index to access a specific element:
-e.g.: given a sample file of
-```yaml
-b:
-  e:
-    - name: fred
-      value: 3
-    - name: sam
-      value: 4
-```
-then
-```
-yaml sample.yaml b.e[1].name
-```
-will output 'sam'
+## Features
+- Written in portable go, so you can download a lovely dependency free binary
+- Deep read a yaml file with a given path
+- Update a yaml file given a path
+- Update a yaml file given a script file
+- Update creates any missing entries in the path on the fly
+- Create a yaml file given a deep path and value
+- Create a yaml file given a script file
+- Convert from json to yaml
+- Convert from yaml to json
+- Pipe data in by using '-'
+- Merge multiple yaml files where each additional file sets values for missing or null value keys.
+- Merge multiple yaml files with overwrite to support overriding previous values.
+
+## [Usage](http://mikefarah.github.io/yq/)
+
+Check out the [documentation](http://mikefarah.github.io/yq/) for more detailed and advanced usage.

-### Updating yaml
-Given a sample.yaml file of:
-```yaml
-b:
-  c: 2
 ```
-then
-```bash
-yaml w sample.yaml b.c 'cat'
-```
-will output:
-```yaml
-b:
-  c: cat
+Usage:
+  yq [flags]
+  yq [command]
+
+Available Commands:
+  delete      yq d [--inplace/-i] sample.yaml a.b.c
+  help        Help about any command
+  merge       yq m [--inplace/-i] [--overwrite/-x] sample.yaml sample2.yaml
+  new         yq n [--script/-s script_file] a.b.c newValueForC
+  read        yq r sample.yaml a.b.c
+  write       yq w [--inplace/-i] [--script/-s script_file] sample.yaml a.b.c newValueForC
+
+Flags:
+  -h, --help      help for yq
+  -j, --tojson    output as json
+  -t, --trim      trim yaml output (default true)
+  -v, --verbose   verbose mode
+  -V, --version   Print version information and quit
+
+Use "yq [command] --help" for more information about a command.
 ```
+
+## Contribute
+1. `make [local] vendor`
+2. add unit tests
+3. apply changes
+4. `make [local] build`
+5. profit
--- a/commands_test.go
+++ b/commands_test.go
@@ -0,0 +1,544 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+)
+
+func getRootCommand() *cobra.Command {
+	return newCommandCLI()
+}
+
+func TestRootCmd(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !strings.Contains(result.Output, "Usage:") {
+		t.Error("Expected usage message to be printed out, but the usage message was not found.")
+	}
+
+}
+
+func TestRootCmd_VerboseLong(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "--verbose")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !verbose {
+		t.Error("Expected verbose to be true")
+	}
+}
+
+func TestRootCmd_VerboseShort(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-v")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !verbose {
+		t.Error("Expected verbose to be true")
+	}
+}
+
+func TestRootCmd_TrimLong(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "--trim")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !trimOutput {
+		t.Error("Expected trimOutput to be true")
+	}
+}
+
+func TestRootCmd_TrimShort(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-t")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !trimOutput {
+		t.Error("Expected trimOutput to be true")
+	}
+}
+
+func TestRootCmd_ToJsonLong(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "--tojson")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !outputToJSON {
+		t.Error("Expected outputToJSON to be true")
+	}
+}
+
+func TestRootCmd_ToJsonShort(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-j")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	if !outputToJSON {
+		t.Error("Expected outputToJSON to be true")
+	}
+}
+
+func TestRootCmd_VersionShort(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-V")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	if !strings.Contains(result.Output, "yq version") {
+		t.Error("expected version message to be printed out, but the message was not found.")
+	}
+}
+
+func TestRootCmd_VersionLong(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "--version")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	if !strings.Contains(result.Output, "yq version") {
+		t.Error("expected version message to be printed out, but the message was not found.")
+	}
+}
+
+func TestReadCmd(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/sample.yaml b.c")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	assertResult(t, "2\n", result.Output)
+}
+
+func TestReadCmd_ArrayYaml(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [0].gather_facts")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	assertResult(t, "false\n", result.Output)
+}
+
+func TestReadCmd_ArrayYaml_NoPath(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `- become: true
+  gather_facts: false
+  hosts: lalaland
+  name: Apply smth
+  roles:
+  - lala
+  - land
+  serial: 1
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadCmd_ArrayYaml_OneElement(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [0]")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `become: true
+gather_facts: false
+hosts: lalaland
+name: Apply smth
+roles:
+- lala
+- land
+serial: 1
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadCmd_ArrayYaml_Splat(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [*]")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `- become: true
+  gather_facts: false
+  hosts: lalaland
+  name: Apply smth
+  roles:
+  - lala
+  - land
+  serial: 1
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadCmd_ArrayYaml_SplatKey(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [*].gather_facts")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := "- false\n"
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadCmd_ArrayYaml_ErrorBadPath(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [x].gather_facts")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_ArrayYaml_Splat_ErrorBadPath(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read examples/array.yaml [*].roles[x]")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_Error(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to missing arg")
+	}
+	expectedOutput := `Must provide filename`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_ErrorEmptyFilename(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read  ")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to missing arg")
+	}
+	expectedOutput := `Must provide filename`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_ErrorUnreadableFile(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "read fake-unknown")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to unknown file")
+	}
+	expectedOutput := `open fake-unknown: no such file or directory`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_ErrorBadPath(t *testing.T) {
+	content := `b:
+  d:
+    e:
+      - 3
+      - 4
+    f:
+      - 1
+      - 2
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("read %s b.d.*.[x]", filename))
+	if result.Error == nil {
+		t.Fatal("Expected command to fail due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestReadCmd_Verbose(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-v read examples/sample.yaml b.c")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	assertResult(t, "2\n", result.Output)
+}
+
+func TestReadCmd_NoTrim(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "--trim=false read examples/sample.yaml b.c")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	assertResult(t, "2\n\n", result.Output)
+}
+
+func TestReadCmd_ToJson(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-j read examples/sample.yaml b.c")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	assertResult(t, "2\n", result.Output)
+}
+
+func TestNewCmd(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "new b.c 3")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: 3
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestNewCmd_Error(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "new b.c")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to missing arg")
+	}
+	expectedOutput := `Must provide <path_to_update> <value>`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestNewCmd_Verbose(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-v new b.c 3")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: 3
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestNewCmd_ToJson(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-j new b.c 3")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `{"b":{"c":3}}
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd(t *testing.T) {
+	content := `b:
+  c: 3
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write %s b.c 7", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: 7
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd_EmptyArray(t *testing.T) {
+	content := `b: 3`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write %s a []", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b: 3
+a: []
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd_Error(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "write")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to missing arg")
+	}
+	expectedOutput := `Must provide <filename> <path_to_update> <value>`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestWriteCmd_ErrorUnreadableFile(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "write fake-unknown a.b 3")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to unknown file")
+	}
+	expectedOutput := `open fake-unknown: no such file or directory`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestWriteCmd_Verbose(t *testing.T) {
+	content := `b:
+  c: 3
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("-v write %s b.c 7", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+  c: 7
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd_Inplace(t *testing.T) {
+	content := `b:
+  c: 3
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write -i %s b.c 7", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	gotOutput := readTempYamlFile(filename)
+	expectedOutput := `b:
+  c: 7`
+	assertResult(t, expectedOutput, gotOutput)
+}
+
+func TestWriteCmd_Append(t *testing.T) {
+	content := `b:
+  - foo
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write %s b[+] 7", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `b:
+- foo
+- 7
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestWriteCmd_AppendEmptyArray(t *testing.T) {
+	content := `a: 2
+`
+	filename := writeTempYamlFile(content)
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("write %s b[+] v", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `a: 2
+b:
+- v
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestMergeCmd(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "merge examples/data1.yaml examples/data2.yaml")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `a: simple
+b:
+- 1
+- 2
+c:
+  test: 1
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestMergeCmd_Error(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "merge examples/data1.yaml")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to missing arg")
+	}
+	expectedOutput := `Must provide at least 2 yaml files`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestMergeCmd_ErrorUnreadableFile(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "merge examples/data1.yaml fake-unknown")
+	if result.Error == nil {
+		t.Error("Expected command to fail due to unknown file")
+	}
+	expectedOutput := `open fake-unknown: no such file or directory`
+	assertResult(t, expectedOutput, result.Error.Error())
+}
+
+func TestMergeCmd_Verbose(t *testing.T) {
+	cmd := getRootCommand()
+	result := runCmd(cmd, "-v merge examples/data1.yaml examples/data2.yaml")
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `a: simple
+b:
+- 1
+- 2
+c:
+  test: 1
+`
+	assertResult(t, expectedOutput, result.Output)
+}
+
+func TestMergeCmd_Inplace(t *testing.T) {
+	filename := writeTempYamlFile(readTempYamlFile("examples/data1.yaml"))
+	defer removeTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := runCmd(cmd, fmt.Sprintf("merge -i %s examples/data2.yaml", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	gotOutput := readTempYamlFile(filename)
+	expectedOutput := `a: simple
+b:
+- 1
+- 2
+c:
+  test: 1`
+	assertResult(t, expectedOutput, gotOutput)
+}
--- a/data_navigator.go
+++ b/data_navigator.go
@@ -1,50 +1,302 @@
 package main

 import (
-	// "fmt"
-	"log"
+	"fmt"
+	"sort"
 	"strconv"
+
+	"gopkg.in/yaml.v2"
 )

-func write(context map[interface{}]interface{}, head string, tail []string, value interface{}) {
-	// e.g. if updating a.b.c, we need to get the 'b' map...
-	toUpdate := readMap(context, head, tail[0:len(tail)-1]).(map[interface{}]interface{})
-	//  and then set the 'c' key.
-	key := (tail[len(tail)-1])
-	toUpdate[key] = value
-}
-
-func readMap(context map[interface{}]interface{}, head string, tail []string) interface{} {
-	value := context[head]
-	if len(tail) > 0 {
-		return recurse(value, tail[0], tail[1:len(tail)])
+func entryInSlice(context yaml.MapSlice, key interface{}) *yaml.MapItem {
+	for idx := range context {
+		var entry = &context[idx]
+		if entry.Key == key {
+			return entry
 		}
-	return value
+	}
+	return nil
 }

-func recurse(value interface{}, head string, tail []string) interface{} {
+func getMapSlice(context interface{}) yaml.MapSlice {
+	var mapSlice yaml.MapSlice
+	switch context.(type) {
+	case yaml.MapSlice:
+		mapSlice = context.(yaml.MapSlice)
+	default:
+		mapSlice = make(yaml.MapSlice, 0)
+	}
+	return mapSlice
+}
+
+func getArray(context interface{}) (array []interface{}, ok bool) {
+	switch context.(type) {
+	case []interface{}:
+		array = context.([]interface{})
+		ok = true
+	default:
+		array = make([]interface{}, 0)
+		ok = false
+	}
+	return
+}
+
+func writeMap(context interface{}, paths []string, value interface{}) yaml.MapSlice {
+	log.Debugf("writeMap for %v for %v with value %v\n", paths, context, value)
+
+	mapSlice := getMapSlice(context)
+
+	if len(paths) == 0 {
+		return mapSlice
+	}
+
+	child := entryInSlice(mapSlice, paths[0])
+	if child == nil {
+		newChild := yaml.MapItem{Key: paths[0]}
+		mapSlice = append(mapSlice, newChild)
+		child = entryInSlice(mapSlice, paths[0])
+		log.Debugf("\tAppended child at %v for mapSlice %v\n", paths[0], mapSlice)
+	}
+
+	log.Debugf("\tchild.Value %v\n", child.Value)
+
+	remainingPaths := paths[1:]
+	child.Value = updatedChildValue(child.Value, remainingPaths, value)
+	log.Debugf("\tReturning mapSlice %v\n", mapSlice)
+	return mapSlice
+}
+
+func updatedChildValue(child interface{}, remainingPaths []string, value interface{}) interface{} {
+	if len(remainingPaths) == 0 {
+		return value
+	}
+
+	_, nextIndexErr := strconv.ParseInt(remainingPaths[0], 10, 64)
+	if nextIndexErr != nil && remainingPaths[0] != "+" {
+		// must be a map
+		return writeMap(child, remainingPaths, value)
+	}
+
+	// must be an array
+	return writeArray(child, remainingPaths, value)
+}
+
+func writeArray(context interface{}, paths []string, value interface{}) []interface{} {
+	log.Debugf("writeArray for %v for %v with value %v\n", paths, context, value)
+	array, _ := getArray(context)
+
+	if len(paths) == 0 {
+		return array
+	}
+
+	log.Debugf("\tarray %v\n", array)
+
+	rawIndex := paths[0]
+	var index int64
+	// the append array indicator
+	if rawIndex == "+" {
+		index = int64(len(array))
+	} else {
+		index, _ = strconv.ParseInt(rawIndex, 10, 64)
+	}
+	// writeArray is only called by updatedChildValue which handles parsing the
+	// index, as such this renders this dead code.
+	// if err != nil {
+	// 	return array, fmt.Errorf("Error accessing array: %v", err)
+	// }
+	for index >= int64(len(array)) {
+		array = append(array, nil)
+	}
+	currentChild := array[index]
+
+	log.Debugf("\tcurrentChild %v\n", currentChild)
+
+	remainingPaths := paths[1:]
+	array[index] = updatedChildValue(currentChild, remainingPaths, value)
+	log.Debugf("\tReturning array %v\n", array)
+	return array
+}
+
+func readMap(context yaml.MapSlice, head string, tail []string) (interface{}, error) {
+	if head == "*" {
+		return readMapSplat(context, tail)
+	}
+	var value interface{}
+
+	entry := entryInSlice(context, head)
+	if entry != nil {
+		value = entry.Value
+	}
+	return calculateValue(value, tail)
+}
+
+func readMapSplat(context yaml.MapSlice, tail []string) (interface{}, error) {
+	var newArray = make([]interface{}, len(context))
+	var i = 0
+	for _, entry := range context {
+		if len(tail) > 0 {
+			val, err := recurse(entry.Value, tail[0], tail[1:])
+			if err != nil {
+				return nil, err
+			}
+			newArray[i] = val
+		} else {
+			newArray[i] = entry.Value
+		}
+		i++
+	}
+	return newArray, nil
+}
+
+func recurse(value interface{}, head string, tail []string) (interface{}, error) {
 	switch value.(type) {
 	case []interface{}:
+		if head == "*" {
+			return readArraySplat(value.([]interface{}), tail)
+		}
 		index, err := strconv.ParseInt(head, 10, 64)
 		if err != nil {
-			log.Fatalf("Error accessing array: %v", err)
+			return nil, fmt.Errorf("Error accessing array: %v", err)
 		}
 		return readArray(value.([]interface{}), index, tail)
-	case nil:
-		return nil
+	case yaml.MapSlice:
+		return readMap(value.(yaml.MapSlice), head, tail)
 	default:
-		return readMap(value.(map[interface{}]interface{}), head, tail)
+		return nil, nil
 	}
 }

-func readArray(array []interface{}, head int64, tail []string) interface{} {
-	if head > int64(len(array)) {
-		return nil
+func readArray(array []interface{}, head int64, tail []string) (interface{}, error) {
+	if head >= int64(len(array)) {
+		return nil, nil
 	}

 	value := array[head]
-	if len(tail) > 0 {
-		return recurse(value, tail[0], tail[1:len(tail)])
-	}
-	return value
+	return calculateValue(value, tail)
+}
+
+func readArraySplat(array []interface{}, tail []string) (interface{}, error) {
+	var newArray = make([]interface{}, len(array))
+	for index, value := range array {
+		val, err := calculateValue(value, tail)
+		if err != nil {
+			return nil, err
+		}
+		newArray[index] = val
+	}
+	return newArray, nil
+}
+
+func calculateValue(value interface{}, tail []string) (interface{}, error) {
+	if len(tail) > 0 {
+		return recurse(value, tail[0], tail[1:])
+	}
+	return value, nil
+}
+
+func mapToMapSlice(data map[interface{}]interface{}) yaml.MapSlice {
+	var mapSlice yaml.MapSlice
+
+	for k, v := range data {
+		if mv, ok := v.(map[interface{}]interface{}); ok {
+			v = mapToMapSlice(mv)
+		}
+		item := yaml.MapItem{Key: k, Value: v}
+		mapSlice = append(mapSlice, item)
+	}
+
+	// because the parsing of the yaml was done via a map the order will be inconsistent
+	// apply order to allow a consistent output
+	sort.SliceStable(mapSlice, func(i, j int) bool { return mapSlice[i].Key.(string) < mapSlice[j].Key.(string) })
+	return mapSlice
+}
+
+func deleteMap(context interface{}, paths []string) yaml.MapSlice {
+	log.Debugf("deleteMap for %v for %v\n", paths, context)
+
+	mapSlice := getMapSlice(context)
+
+	if len(paths) == 0 {
+		return mapSlice
+	}
+
+	var found bool
+	var index int
+	var child yaml.MapItem
+	for index, child = range mapSlice {
+		if child.Key == paths[0] {
+			found = true
+			break
+		}
+	}
+
+	if !found {
+		return mapSlice
+	}
+
+	remainingPaths := paths[1:]
+
+	var newSlice yaml.MapSlice
+	if len(remainingPaths) > 0 {
+		newChild := yaml.MapItem{Key: child.Key}
+		newChild.Value = deleteChildValue(child.Value, remainingPaths)
+
+		newSlice = make(yaml.MapSlice, len(mapSlice))
+		for i := range mapSlice {
+			item := mapSlice[i]
+			if i == index {
+				item = newChild
+			}
+			newSlice[i] = item
+		}
+	} else {
+		// Delete item from slice at index
+		newSlice = append(mapSlice[:index], mapSlice[index+1:]...)
+		log.Debugf("\tDeleted item index %d from mapSlice", index)
+	}
+
+	log.Debugf("\t\tlen: %d\tcap: %d\tslice: %v", len(mapSlice), cap(mapSlice), mapSlice)
+	log.Debugf("\tReturning mapSlice %v\n", mapSlice)
+	return newSlice
+}
+
+func deleteArray(context interface{}, paths []string, index int64) interface{} {
+	log.Debugf("deleteArray for %v for %v\n", paths, context)
+
+	array, ok := getArray(context)
+	if !ok {
+		// did not get an array
+		return context
+	}
+
+	if index >= int64(len(array)) {
+		return array
+	}
+
+	remainingPaths := paths[1:]
+	if len(remainingPaths) > 0 {
+		// Recurse into the array element at index
+		array[index] = deleteMap(array[index], remainingPaths)
+	} else {
+		// Delete the array element at index
+		array = append(array[:index], array[index+1:]...)
+		log.Debugf("\tDeleted item index %d from array, leaving %v", index, array)
+	}
+
+	log.Debugf("\tReturning array: %v\n", array)
+	return array
+}
+
+func deleteChildValue(child interface{}, remainingPaths []string) interface{} {
+	log.Debugf("deleteChildValue for %v for %v\n", remainingPaths, child)
+
+	idx, nextIndexErr := strconv.ParseInt(remainingPaths[0], 10, 64)
+	if nextIndexErr != nil {
+		// must be a map
+		log.Debugf("\tdetected a map, invoking deleteMap\n")
+		return deleteMap(child, remainingPaths)
+	}
+
+	log.Debugf("\tdetected an array, so traversing element with index %d\n", idx)
+	return deleteArray(child, remainingPaths, idx)
 }
--- a/data_navigator_test.go
+++ b/data_navigator_test.go
@@ -2,63 +2,386 @@ package main

 import (
 	"fmt"
-	"gopkg.in/yaml.v2"
-	"os"
+	"sort"
 	"testing"
+
+	yaml "gopkg.in/yaml.v2"
 )

-var rawData = `
-a: Easy!
+func TestReadMap_simple(t *testing.T) {
+	var data = parseData(`
+---
 b:
  c: 2
-  d: [3, 4]
-`
-
-var parsedData map[interface{}]interface{}
-
-func TestMain(m *testing.M) {
-	err := yaml.Unmarshal([]byte(rawData), &parsedData)
-	if err != nil {
-		fmt.Println("Error parsing yaml: %v", err)
-		os.Exit(1)
-	}
-
-	os.Exit(m.Run())
+`)
+	got, _ := readMap(data, "b", []string{"c"})
+	assertResult(t, 2, got)
 }

-func TestReadMap_simple(t *testing.T) {
-	assertResult(t, 2, readMap(parsedData, "b", []string{"c"}))
+func TestReadMap_splat(t *testing.T) {
+	var data = parseData(`
+---
+mapSplat:
+  item1: things
+  item2: whatever
+`)
+	res, _ := readMap(data, "mapSplat", []string{"*"})
+	result := res.([]interface{})
+	var actual = []string{result[0].(string), result[1].(string)}
+	sort.Strings(actual)
+	assertResult(t, "[things whatever]", fmt.Sprintf("%v", actual))
+}
+
+func TestReadMap_deep_splat(t *testing.T) {
+	var data = parseData(`
+---
+mapSplatDeep:
+  item1:
+    cats: bananas
+  item2:
+    cats: apples
+`)
+
+	res, _ := readMap(data, "mapSplatDeep", []string{"*", "cats"})
+	result := res.([]interface{})
+	var actual = []string{result[0].(string), result[1].(string)}
+	sort.Strings(actual)
+	assertResult(t, "[apples bananas]", fmt.Sprintf("%v", actual))
 }

 func TestReadMap_key_doesnt_exist(t *testing.T) {
-	assertResult(t, nil, readMap(parsedData, "b.x.f", []string{"c"}))
+	var data = parseData(`
+---
+b:
+  c: 2
+`)
+	got, _ := readMap(data, "b.x.f", []string{"c"})
+	assertResult(t, nil, got)
+}
+
+func TestReadMap_recurse_against_string(t *testing.T) {
+	var data = parseData(`
+---
+a: cat
+`)
+	got, _ := readMap(data, "a", []string{"b"})
+	assertResult(t, nil, got)
 }

 func TestReadMap_with_array(t *testing.T) {
-	assertResult(t, 4, readMap(parsedData, "b", []string{"d", "1"}))
+	var data = parseData(`
+---
+b:
+  d:
+    - 3
+    - 4
+`)
+	got, _ := readMap(data, "b", []string{"d", "1"})
+	assertResult(t, 4, got)
+}
+
+func TestReadMap_with_array_and_bad_index(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  d:
+    - 3
+    - 4
+`)
+	_, err := readMap(data, "b", []string{"d", "x"})
+	if err == nil {
+		t.Fatal("Expected error due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, err.Error())
+}
+
+func TestReadMap_with_mapsplat_array_and_bad_index(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  d:
+    e:
+      - 3
+      - 4
+    f:
+      - 1
+      - 2
+`)
+	_, err := readMap(data, "b", []string{"d", "*", "x"})
+	if err == nil {
+		t.Fatal("Expected error due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, err.Error())
+}
+
+func TestReadMap_with_arraysplat_map_array_and_bad_index(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  d:
+    - names:
+        - fred
+        - smith
+    - names:
+        - sam
+        - bo
+`)
+	_, err := readMap(data, "b", []string{"d", "*", "names", "x"})
+	if err == nil {
+		t.Fatal("Expected error due to invalid path")
+	}
+	expectedOutput := `Error accessing array: strconv.ParseInt: parsing "x": invalid syntax`
+	assertResult(t, expectedOutput, err.Error())
 }

 func TestReadMap_with_array_out_of_bounds(t *testing.T) {
-	assertResult(t, nil, readMap(parsedData, "b", []string{"d", "3"}))
+	var data = parseData(`
+---
+b:
+  d:
+    - 3
+    - 4
+`)
+	got, _ := readMap(data, "b", []string{"d", "3"})
+	assertResult(t, nil, got)
+}
+
+func TestReadMap_with_array_out_of_bounds_by_1(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  d:
+    - 3
+    - 4
+`)
+	got, _ := readMap(data, "b", []string{"d", "2"})
+	assertResult(t, nil, got)
+}
+
+func TestReadMap_with_array_splat(t *testing.T) {
+	var data = parseData(`
+e:
+  -
+    name: Fred
+    thing: cat
+  -
+    name: Sam
+    thing: dog
+`)
+	got, _ := readMap(data, "e", []string{"*", "name"})
+	assertResult(t, "[Fred Sam]", fmt.Sprintf("%v", got))
+}
+
+func TestWrite_really_simple(t *testing.T) {
+	var data = parseData(`
+    b: 2
+`)
+
+	updated := writeMap(data, []string{"b"}, "4")
+	b := entryInSlice(updated, "b").Value
+	assertResult(t, "4", b)
 }

 func TestWrite_simple(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)

-	write(parsedData, "b", []string{"c"}, "4")
-
-	b := parsedData["b"].(map[interface{}]interface{})
-	assertResult(t, "4", b["c"].(string))
+	updated := writeMap(data, []string{"b", "c"}, "4")
+	b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
+	c := entryInSlice(b, "c").Value
+	assertResult(t, "4", c)
 }

-func assertResult(t *testing.T, expectedValue interface{}, actualValue interface{}) {
-	if expectedValue != actualValue {
-		t.Error("Expected <", expectedValue, "> but got <", actualValue, ">")
-	}
+func TestWrite_new(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+
+	updated := writeMap(data, []string{"b", "d"}, "4")
+	b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
+	d := entryInSlice(b, "d").Value
+	assertResult(t, "4", d)
 }

-func assertResultWithContext(t *testing.T, expectedValue interface{}, actualValue interface{}, context interface{}) {
-	if expectedValue != actualValue {
-		t.Error(context)
-		t.Error(": expected <", expectedValue, "> but got <", actualValue, ">")
-	}
+func TestWrite_new_deep(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+
+	updated := writeMap(data, []string{"b", "d", "f"}, "4")
+	got, _ := readMap(updated, "b", []string{"d", "f"})
+	assertResult(t, "4", got)
+}
+
+func TestWrite_array(t *testing.T) {
+	var data = parseData(`
+b:
+  - aa
+`)
+
+	updated := writeMap(data, []string{"b", "0"}, "bb")
+
+	b := entryInSlice(updated, "b").Value.([]interface{})
+	assertResult(t, "bb", b[0].(string))
+}
+
+func TestWrite_new_array(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+
+	updated := writeMap(data, []string{"b", "0"}, "4")
+	got, _ := readMap(updated, "b", []string{"0"})
+	assertResult(t, "4", got)
+}
+
+func TestWrite_new_array_deep(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+
+	var expected = `b:
+- c: "4"`
+
+	updated := writeMap(data, []string{"b", "0", "c"}, "4")
+	got, _ := yamlToString(updated)
+	assertResult(t, expected, got)
+}
+
+func TestWrite_new_map_array_deep(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+
+	updated := writeMap(data, []string{"b", "d", "0"}, "4")
+	got, _ := readMap(updated, "b", []string{"d", "0"})
+	assertResult(t, "4", got)
+}
+
+func TestWrite_add_to_array(t *testing.T) {
+	var data = parseData(`
+b:
+  - aa
+`)
+
+	var expected = `b:
+- aa
+- bb`
+
+	updated := writeMap(data, []string{"b", "1"}, "bb")
+	got, _ := yamlToString(updated)
+	assertResult(t, expected, got)
+}
+
+func TestWrite_with_no_tail(t *testing.T) {
+	var data = parseData(`
+b:
+  c: 2
+`)
+	updated := writeMap(data, []string{"b"}, "4")
+
+	b := entryInSlice(updated, "b").Value
+	assertResult(t, "4", fmt.Sprintf("%v", b))
+}
+
+func TestWriteMap_no_paths(t *testing.T) {
+	var data = parseData(`
+b: 5
+`)
+
+	result := writeMap(data, []string{}, 4)
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestWriteArray_no_paths(t *testing.T) {
+	var data = make([]interface{}, 1)
+	data[0] = "mike"
+	result := writeArray(data, []string{}, 4)
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_MapItem(t *testing.T) {
+	var data = parseData(`
+a: 123
+b: 456
+`)
+	var expected = parseData(`
+b: 456
+`)
+
+	result := deleteMap(data, []string{"a"})
+	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
+}
+
+// Ensure deleting an index into a string does nothing
+func TestDelete_index_to_string(t *testing.T) {
+	var data = parseData(`
+a: mystring
+`)
+	result := deleteMap(data, []string{"a", "0"})
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_list_index(t *testing.T) {
+	var data = parseData(`
+a: [3, 4]
+`)
+	var expected = parseData(`
+a: [3]
+`)
+	result := deleteMap(data, []string{"a", "1"})
+	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_list_index_beyond_bounds(t *testing.T) {
+	var data = parseData(`
+a: [3, 4]
+`)
+	result := deleteMap(data, []string{"a", "5"})
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_list_index_out_of_bounds_by_1(t *testing.T) {
+	var data = parseData(`
+a: [3, 4]
+`)
+	result := deleteMap(data, []string{"a", "2"})
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_no_paths(t *testing.T) {
+	var data = parseData(`
+a: [3, 4]
+b:
+  - name: test
+`)
+	result := deleteMap(data, []string{})
+	assertResult(t, fmt.Sprintf("%v", data), fmt.Sprintf("%v", result))
+}
+
+func TestDelete_array_map_item(t *testing.T) {
+	var data = parseData(`
+b:
+- name: fred
+  value: blah
+- name: john
+  value: test
+`)
+	var expected = parseData(`
+b:
+- value: blah
+- name: john
+  value: test
+`)
+	result := deleteMap(data, []string{"b", "0", "name"})
+	assertResult(t, fmt.Sprintf("%v", expected), fmt.Sprintf("%v", result))
 }
--- a/docs/404.html
+++ b/docs/404.html
@@ -0,0 +1,346 @@
+
+
+
+
+<!DOCTYPE html>
+<html lang="en" class="no-js">
+  <head>
+    
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width,initial-scale=1">
+      <meta http-equiv="x-ua-compatible" content="ie=edge">
+      
+      
+      
+      
+        <meta name="lang:clipboard.copy" content="Copy to clipboard">
+      
+        <meta name="lang:clipboard.copied" content="Copied to clipboard">
+      
+        <meta name="lang:search.language" content="en">
+      
+        <meta name="lang:search.result.none" content="No matching documents">
+      
+        <meta name="lang:search.result.one" content="1 matching document">
+      
+        <meta name="lang:search.result.other" content="# matching documents">
+      
+        <meta name="lang:search.tokenizer" content="[\s\-]+">
+      
+      <link rel="shortcut icon" href="/assets/images/favicon.png">
+      <meta name="generator" content="mkdocs-0.17.2, mkdocs-material-2.2.5">
+    
+    
+      
+        <title>Yq</title>
+      
+    
+    
+      <link rel="stylesheet" href="/assets/stylesheets/application.bcabdff3.css">
+      
+    
+    
+      <script src="/assets/javascripts/modernizr.1aa3b519.js"></script>
+    
+    
+      
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700|Roboto+Mono">
+        <style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
+      
+      <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    
+    
+    
+  </head>
+  
+    <body>
+  
+    <svg class="md-svg">
+      <defs>
+        
+        
+          <svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
+        
+      </defs>
+    </svg>
+    <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="drawer">
+    <input class="md-toggle" data-md-toggle="search" type="checkbox" id="search">
+    <label class="md-overlay" data-md-component="overlay" for="drawer"></label>
+    
+      <header class="md-header" data-md-component="header">
+  <nav class="md-header-nav md-grid">
+    <div class="md-flex">
+      <div class="md-flex__cell md-flex__cell--shrink">
+        <a href="/" title="Yq" class="md-header-nav__button md-logo">
+          
+            <i class="md-icon"></i>
+          
+        </a>
+      </div>
+      <div class="md-flex__cell md-flex__cell--shrink">
+        <label class="md-icon md-icon--menu md-header-nav__button" for="drawer"></label>
+      </div>
+      <div class="md-flex__cell md-flex__cell--stretch">
+        <div class="md-flex__ellipsis md-header-nav__title" data-md-component="title">
+          
+            
+              <span class="md-header-nav__topic">
+                Yq
+              </span>
+              <span class="md-header-nav__topic">
+                
+              </span>
+            
+          
+        </div>
+      </div>
+      <div class="md-flex__cell md-flex__cell--shrink">
+        
+          
+            <label class="md-icon md-icon--search md-header-nav__button" for="search"></label>
+            
+<div class="md-search" data-md-component="search" role="dialog">
+  <label class="md-search__overlay" for="search"></label>
+  <div class="md-search__inner">
+    <form class="md-search__form" name="search">
+      <input type="text" class="md-search__input" name="query" required placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query">
+      <label class="md-icon md-search__icon" for="search"></label>
+      <button type="reset" class="md-icon md-search__icon" data-md-component="reset">&#xE5CD;</button>
+    </form>
+    <div class="md-search__output">
+      <div class="md-search__scrollwrap" data-md-scrollfix>
+        <div class="md-search-result" data-md-component="result">
+          <div class="md-search-result__meta">
+            Type to start searching
+          </div>
+          <ol class="md-search-result__list"></ol>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+          
+        
+      </div>
+      
+        <div class="md-flex__cell md-flex__cell--shrink">
+          <div class="md-header-nav__source">
+            
+
+
+  
+
+
+  <a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
+    
+      <div class="md-source__icon">
+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+          </div>
+        </div>
+      
+    </div>
+  </nav>
+</header>
+    
+    <div class="md-container">
+      
+        
+      
+      
+      <main class="md-main">
+        <div class="md-main__inner md-grid" data-md-component="container">
+          
+            
+              <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    <nav class="md-nav md-nav--primary" data-md-level="0">
+  <label class="md-nav__title md-nav__title--site" for="drawer">
+    <span class="md-nav__button md-logo">
+      
+        <i class="md-icon"></i>
+      
+    </span>
+    Yq
+  </label>
+  
+    <div class="md-nav__source">
+      
+
+
+  
+
+
+  <a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
+    
+      <div class="md-source__icon">
+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+    </div>
+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/" title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/write/" title="Write/Update" class="md-nav__link">
+      Write/Update
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/delete/" title="Delete" class="md-nav__link">
+      Delete
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="/merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+  <h1>404 - Not found</h1>
+
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
+      
+        
+<footer class="md-footer">
+  
+  <div class="md-footer-meta md-typeset">
+    <div class="md-footer-meta__inner md-grid">
+      <div class="md-footer-copyright">
+        
+        powered by
+        <a href="http://www.mkdocs.org">MkDocs</a>
+        and
+        <a href="https://squidfunk.github.io/mkdocs-material/">
+          Material for MkDocs</a>
+      </div>
+      
+        
+  <div class="md-footer-social">
+    
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+    
+      <a href="https://github.com/mikefarah" class="md-footer-social__link fa fa-github"></a>
+    
+      <a href="https://www.linkedin.com/in/mike-farah-b5a75b2/" class="md-footer-social__link fa fa-linkedin"></a>
+    
+  </div>
+
+      
+    </div>
+  </div>
+</footer>
+      
+    </div>
+    
+      <script src="/assets/javascripts/application.6cdc17f0.js"></script>
+      
+      <script>app.initialize({version:"0.17.2",url:{base:""}})</script>
+      
+    
+    
+      
+    
+  </body>
+</html>
--- a/docs/assets/images/favicon.png
+++ b/docs/assets/images/favicon.png
--- a/docs/assets/images/icons/bitbucket.4ebea66e.svg
+++ b/docs/assets/images/icons/bitbucket.4ebea66e.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="352" height="448" viewBox="0 0 352 448" id="bitbucket"><path fill="currentColor" d="M203.75 214.75q2 15.75-12.625 25.25t-27.875 1.5q-9.75-4.25-13.375-14.5t-.125-20.5 13-14.5q9-4.5 18.125-3t16 8.875 6.875 16.875zm27.75-5.25q-3.5-26.75-28.25-41T154 165.25q-15.75 7-25.125 22.125t-8.625 32.375q1 22.75 19.375 38.75t41.375 14q22.75-2 38-21t12.5-42zM291.25 74q-5-6.75-14-11.125t-14.5-5.5T245 54.25q-72.75-11.75-141.5.5-10.75 1.75-16.5 3t-13.75 5.5T60.75 74q7.5 7 19 11.375t18.375 5.5T120 93.75Q177 101 232 94q15.75-2 22.375-3t18.125-5.375T291.25 74zm14.25 258.75q-2 6.5-3.875 19.125t-3.5 21-7.125 17.5-14.5 14.125q-21.5 12-47.375 17.875t-50.5 5.5-50.375-4.625q-11.5-2-20.375-4.5T88.75 412 70.5 401.125t-13-15.375q-6.25-24-14.25-73l1.5-4 4.5-2.25q55.75 37 126.625 37t126.875-37q5.25 1.5 6 5.75t-1.25 11.25-2 9.25zM350.75 92.5q-6.5 41.75-27.75 163.75-1.25 7.5-6.75 14t-10.875 10T291.75 288q-63 31.5-152.5 22-62-6.75-98.5-34.75-3.75-3-6.375-6.625t-4.25-8.75-2.25-8.5-1.5-9.875T25 232.75q-2.25-12.5-6.625-37.5t-7-40.375T5.5 118 0 78.5Q.75 72 4.375 66.375T12.25 57t11.25-7.5T35 43.875t12-4.625q31.25-11.5 78.25-16 94.75-9.25 169 12.5Q333 47.25 348 66.25q4 5 4.125 12.75t-1.375 13.5z"/></svg>
--- a/docs/assets/images/icons/github.a4034fb1.svg
+++ b/docs/assets/images/icons/github.a4034fb1.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
--- a/docs/assets/images/icons/gitlab.d80e5efc.svg
+++ b/docs/assets/images/icons/gitlab.d80e5efc.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="500" height="500" viewBox="0 0 500 500" id="gitlab"><path fill="currentColor" d="M93.667 473.347l90.684-279.097H2.983l90.684 279.097z" transform="translate(156.198 1.16)"/><path fill="currentColor" d="M221.333 473.345L130.649 194.25H3.557l217.776 279.095z" transform="translate(28.531 1.16)" opacity=".7"/><path fill="currentColor" d="M32 195.155L4.441 279.97a18.773 18.773 0 0 0 6.821 20.99l238.514 173.29L32 195.155z" transform="translate(.089 .256)" opacity=".5"/><path fill="currentColor" d="M2.667-84.844h127.092L75.14-252.942c-2.811-8.649-15.047-8.649-17.856 0L2.667-84.844z" transform="translate(29.422 280.256)"/><path fill="currentColor" d="M2.667 473.345L93.351 194.25h127.092L2.667 473.345z" transform="translate(247.198 1.16)" opacity=".7"/><path fill="currentColor" d="M221.334 195.155l27.559 84.815a18.772 18.772 0 0 1-6.821 20.99L3.557 474.25l217.777-279.095z" transform="translate(246.307 .256)" opacity=".5"/><path fill="currentColor" d="M130.667-84.844H3.575l54.618-168.098c2.811-8.649 15.047-8.649 17.856 0l54.618 168.098z" transform="translate(336.974 280.256)"/></svg>
--- a/docs/assets/javascripts/application.6cdc17f0.js
+++ b/docs/assets/javascripts/application.6cdc17f0.js
--- a/docs/assets/javascripts/lunr/lunr.da.js
+++ b/docs/assets/javascripts/lunr/lunr.da.js
@@ -0,0 +1 @@
+!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.da=function(){this.pipeline.reset(),this.pipeline.add(e.da.trimmer,e.da.stopWordFilter,e.da.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.da.stemmer))},e.da.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤﬀ-ﬆＡ-Ｚａ-ｚ",e.da.trimmer=e.trimmerSupport.generateTrimmer(e.da.wordCharacters),e.Pipeline.registerFunction(e.da.trimmer,"trimmer-da"),e.da.stemmer=function(){var r=e.stemmerSupport.Among,i=e.stemmerSupport.SnowballProgram,n=new function(){function e(){var e,r=l.limit-l.cursor;l.cursor>=t&&(e=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,l.find_among_b(a,4)?(l.bra=l.cursor,l.limit_backward=e,l.cursor=l.limit-r,l.cursor>l.limit_backward&&(l.cursor--,l.bra=l.cursor,l.slice_del())):l.limit_backward=e)}var n,t,s,o=[new r("hed",-1,1),new r("ethed",0,1),new r("ered",-1,1),new r("e",-1,1),new r("erede",3,1),new r("ende",3,1),new r("erende",5,1),new r("ene",3,1),new r("erne",3,1),new r("ere",3,1),new r("en",-1,1),new r("heden",10,1),new r("eren",10,1),new r("er",-1,1),new r("heder",13,1),new r("erer",13,1),new r("s",-1,2),new r("heds",16,1),new r("es",16,1),new r("endes",18,1),new r("erendes",19,1),new r("enes",18,1),new r("ernes",18,1),new r("eres",18,1),new r("ens",16,1),new r("hedens",24,1),new r("erens",24,1),new r("ers",16,1),new r("ets",16,1),new r("erets",28,1),new r("et",-1,1),new r("eret",30,1)],a=[new r("gd",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1)],d=[new r("ig",-1,1),new r("lig",0,1),new r("elig",1,1),new r("els",-1,1),new r("løst",-1,2)],u=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],c=[239,254,42,3,0,0,0,0,0,0,0,0,0,0,0,0,16],l=new i;this.setCurrent=function(e){l.setCurrent(e)},this.getCurrent=function(){return l.getCurrent()},this.stem=function(){var r=l.cursor;return function(){var e,r=l.cursor+3;if(t=l.limit,0<=r&&r<=l.limit){for(n=r;;){if(e=l.cursor,l.in_grouping(u,97,248)){l.cursor=e;break}if(l.cursor=e,e>=l.limit)return;l.cursor++}for(;!l.out_grouping(u,97,248);){if(l.cursor>=l.limit)return;l.cursor++}(t=l.cursor)<n&&(t=n)}}(),l.limit_backward=r,l.cursor=l.limit,function(){var e,r;if(l.cursor>=t&&(r=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,e=l.find_among_b(o,32),l.limit_backward=r,e))switch(l.bra=l.cursor,e){case 1:l.slice_del();break;case 2:l.in_grouping_b(c,97,229)&&l.slice_del()}}(),l.cursor=l.limit,e(),l.cursor=l.limit,function(){var r,i,n,s=l.limit-l.cursor;if(l.ket=l.cursor,l.eq_s_b(2,"st")&&(l.bra=l.cursor,l.eq_s_b(2,"ig")&&l.slice_del()),l.cursor=l.limit-s,l.cursor>=t&&(i=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,r=l.find_among_b(d,5),l.limit_backward=i,r))switch(l.bra=l.cursor,r){case 1:l.slice_del(),n=l.limit-l.cursor,e(),l.cursor=l.limit-n;break;case 2:l.slice_from("løs")}}(),l.cursor=l.limit,function(){var e;l.cursor>=t&&(e=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,l.out_grouping_b(u,97,248)?(l.bra=l.cursor,s=l.slice_to(s),l.limit_backward=e,l.eq_v_b(s)&&l.slice_del()):l.limit_backward=e)}(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return n.setCurrent(e),n.stem(),n.getCurrent()}):(n.setCurrent(e),n.stem(),n.getCurrent())}}(),e.Pipeline.registerFunction(e.da.stemmer,"stemmer-da"),e.da.stopWordFilter=e.generateStopWordFilter("ad af alle alt anden at blev blive bliver da de dem den denne der deres det dette dig din disse dog du efter eller en end er et for fra ham han hans har havde have hende hendes her hos hun hvad hvis hvor i ikke ind jeg jer jo kunne man mange med meget men mig min mine mit mod ned noget nogle nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}});
--- a/docs/assets/javascripts/lunr/lunr.de.js
+++ b/docs/assets/javascripts/lunr/lunr.de.js
--- a/docs/assets/javascripts/lunr/lunr.du.js
+++ b/docs/assets/javascripts/lunr/lunr.du.js
--- a/docs/assets/javascripts/lunr/lunr.es.js
+++ b/docs/assets/javascripts/lunr/lunr.es.js
--- a/docs/assets/javascripts/lunr/lunr.fi.js
+++ b/docs/assets/javascripts/lunr/lunr.fi.js
--- a/docs/assets/javascripts/lunr/lunr.fr.js
+++ b/docs/assets/javascripts/lunr/lunr.fr.js
--- a/docs/assets/javascripts/lunr/lunr.hu.js
+++ b/docs/assets/javascripts/lunr/lunr.hu.js
--- a/docs/assets/javascripts/lunr/lunr.it.js
+++ b/docs/assets/javascripts/lunr/lunr.it.js
--- a/docs/assets/javascripts/lunr/lunr.jp.js
+++ b/docs/assets/javascripts/lunr/lunr.jp.js
@@ -0,0 +1 @@
+!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var r="2"==e.version[0];e.jp=function(){this.pipeline.reset(),this.pipeline.add(e.jp.stopWordFilter,e.jp.stemmer),r?this.tokenizer=e.jp.tokenizer:(e.tokenizer&&(e.tokenizer=e.jp.tokenizer),this.tokenizerFn&&(this.tokenizerFn=e.jp.tokenizer))};var t=new e.TinySegmenter;e.jp.tokenizer=function(n){if(!arguments.length||null==n||void 0==n)return[];if(Array.isArray(n))return n.map(function(t){return r?new e.Token(t.toLowerCase()):t.toLowerCase()});for(var i=n.toString().toLowerCase().replace(/^\s+/,""),o=i.length-1;o>=0;o--)if(/\S/.test(i.charAt(o))){i=i.substring(0,o+1);break}return t.segment(i).filter(function(e){return!!e}).map(function(t){return r?new e.Token(t):t})},e.jp.stemmer=function(e){return e},e.Pipeline.registerFunction(e.jp.stemmer,"stemmer-jp"),e.jp.wordCharacters="一二三四五六七八九十百千万億兆一-龠々〆ヵヶぁ-んァ-ヴーｱ-ﾝﾞa-zA-Zａ-ｚＡ-Ｚ0-9０-９",e.jp.stopWordFilter=function(t){if(-1===e.jp.stopWordFilter.stopWords.indexOf(r?t.toString():t))return t},e.jp.stopWordFilter=e.generateStopWordFilter("これ それ あれ この その あの ここ そこ あそこ こちら どこ だれ なに なん 何 私 貴方 貴方方 我々 私達 あの人 あのかた 彼女 彼 です あります おります います は が の に を で え から まで より も どの と し それで しかし".split(" ")),e.Pipeline.registerFunction(e.jp.stopWordFilter,"stopWordFilter-jp")}});
--- a/docs/assets/javascripts/lunr/lunr.multi.js
+++ b/docs/assets/javascripts/lunr/lunr.multi.js
@@ -0,0 +1 @@
+!function(e,i){"function"==typeof define&&define.amd?define(i):"object"==typeof exports?module.exports=i():i()(e.lunr)}(this,function(){return function(e){e.multiLanguage=function(){for(var i=Array.prototype.slice.call(arguments),t=i.join("-"),r="",n=[],s=[],p=0;p<i.length;++p)"en"==i[p]?(r+="\\w",n.unshift(e.stopWordFilter),n.push(e.stemmer),s.push(e.stemmer)):(r+=e[i[p]].wordCharacters,n.unshift(e[i[p]].stopWordFilter),n.push(e[i[p]].stemmer),s.push(e[i[p]].stemmer));var o=e.trimmerSupport.generateTrimmer(r);return e.Pipeline.registerFunction(o,"lunr-multi-trimmer-"+t),n.unshift(o),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,n),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,s))}}}});
--- a/docs/assets/javascripts/lunr/lunr.no.js
+++ b/docs/assets/javascripts/lunr/lunr.no.js
@@ -0,0 +1 @@
+!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.no=function(){this.pipeline.reset(),this.pipeline.add(e.no.trimmer,e.no.stopWordFilter,e.no.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.no.stemmer))},e.no.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤﬀ-ﬆＡ-Ｚａ-ｚ",e.no.trimmer=e.trimmerSupport.generateTrimmer(e.no.wordCharacters),e.Pipeline.registerFunction(e.no.trimmer,"trimmer-no"),e.no.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){var e,i,t=[new r("a",-1,1),new r("e",-1,1),new r("ede",1,1),new r("ande",1,1),new r("ende",1,1),new r("ane",1,1),new r("ene",1,1),new r("hetene",6,1),new r("erte",1,3),new r("en",-1,1),new r("heten",9,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",12,1),new r("s",-1,2),new r("as",14,1),new r("es",14,1),new r("edes",16,1),new r("endes",16,1),new r("enes",16,1),new r("hetenes",19,1),new r("ens",14,1),new r("hetens",21,1),new r("ers",14,1),new r("ets",14,1),new r("et",-1,1),new r("het",25,1),new r("ert",-1,3),new r("ast",-1,1)],o=[new r("dt",-1,-1),new r("vt",-1,-1)],s=[new r("leg",-1,1),new r("eleg",0,1),new r("ig",-1,1),new r("eig",2,1),new r("lig",2,1),new r("elig",4,1),new r("els",-1,1),new r("lov",-1,1),new r("elov",7,1),new r("slov",7,1),new r("hetslov",9,1)],a=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],m=[119,125,149,1],u=new n;this.setCurrent=function(e){u.setCurrent(e)},this.getCurrent=function(){return u.getCurrent()},this.stem=function(){var r=u.cursor;return function(){var r,n=u.cursor+3;if(i=u.limit,0<=n||n<=u.limit){for(e=n;;){if(r=u.cursor,u.in_grouping(a,97,248)){u.cursor=r;break}if(r>=u.limit)return;u.cursor=r+1}for(;!u.out_grouping(a,97,248);){if(u.cursor>=u.limit)return;u.cursor++}(i=u.cursor)<e&&(i=e)}}(),u.limit_backward=r,u.cursor=u.limit,function(){var e,r,n;if(u.cursor>=i&&(r=u.limit_backward,u.limit_backward=i,u.ket=u.cursor,e=u.find_among_b(t,29),u.limit_backward=r,e))switch(u.bra=u.cursor,e){case 1:u.slice_del();break;case 2:n=u.limit-u.cursor,u.in_grouping_b(m,98,122)?u.slice_del():(u.cursor=u.limit-n,u.eq_s_b(1,"k")&&u.out_grouping_b(a,97,248)&&u.slice_del());break;case 3:u.slice_from("er")}}(),u.cursor=u.limit,function(){var e,r=u.limit-u.cursor;u.cursor>=i&&(e=u.limit_backward,u.limit_backward=i,u.ket=u.cursor,u.find_among_b(o,2)?(u.bra=u.cursor,u.limit_backward=e,u.cursor=u.limit-r,u.cursor>u.limit_backward&&(u.cursor--,u.bra=u.cursor,u.slice_del())):u.limit_backward=e)}(),u.cursor=u.limit,function(){var e,r;u.cursor>=i&&(r=u.limit_backward,u.limit_backward=i,u.ket=u.cursor,(e=u.find_among_b(s,11))?(u.bra=u.cursor,u.limit_backward=r,1==e&&u.slice_del()):u.limit_backward=r)}(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return i.setCurrent(e),i.stem(),i.getCurrent()}):(i.setCurrent(e),i.stem(),i.getCurrent())}}(),e.Pipeline.registerFunction(e.no.stemmer,"stemmer-no"),e.no.stopWordFilter=e.generateStopWordFilter("alle at av bare begge ble blei bli blir blitt både båe da de deg dei deim deira deires dem den denne der dere deres det dette di din disse ditt du dykk dykkar då eg ein eit eitt eller elles en enn er et ett etter for fordi fra før ha hadde han hans har hennar henne hennes her hjå ho hoe honom hoss hossen hun hva hvem hver hvilke hvilken hvis hvor hvordan hvorfor i ikke ikkje ikkje ingen ingi inkje inn inni ja jeg kan kom korleis korso kun kunne kva kvar kvarhelst kven kvi kvifor man mange me med medan meg meget mellom men mi min mine mitt mot mykje ned no noe noen noka noko nokon nokor nokre nå når og også om opp oss over på samme seg selv si si sia sidan siden sin sine sitt sjøl skal skulle slik so som som somme somt så sånn til um upp ut uten var vart varte ved vere verte vi vil ville vore vors vort vår være være vært å".split(" ")),e.Pipeline.registerFunction(e.no.stopWordFilter,"stopWordFilter-no")}});
--- a/docs/assets/javascripts/lunr/lunr.pt.js
+++ b/docs/assets/javascripts/lunr/lunr.pt.js
--- a/docs/assets/javascripts/lunr/lunr.ro.js
+++ b/docs/assets/javascripts/lunr/lunr.ro.js
--- a/docs/assets/javascripts/lunr/lunr.ru.js
+++ b/docs/assets/javascripts/lunr/lunr.ru.js
--- a/docs/assets/javascripts/lunr/lunr.stemmer.support.js
+++ b/docs/assets/javascripts/lunr/lunr.stemmer.support.js
@@ -0,0 +1 @@
+!function(r,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(r.lunr)}(this,function(){return function(r){r.stemmerSupport={Among:function(r,t,i,s){if(this.toCharArray=function(r){for(var t=r.length,i=new Array(t),s=0;s<t;s++)i[s]=r.charCodeAt(s);return i},!r&&""!=r||!t&&0!=t||!i)throw"Bad Among initialisation: s:"+r+", substring_i: "+t+", result: "+i;this.s_size=r.length,this.s=this.toCharArray(r),this.substring_i=t,this.result=i,this.method=s},SnowballProgram:function(){var r;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(t){r=t,this.cursor=0,this.limit=t.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var t=r;return r=null,t},in_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},in_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},out_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e>s||e<i)return this.cursor++,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},out_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e>s||e<i)return this.cursor--,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},eq_s:function(t,i){if(this.limit-this.cursor<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor+s)!=i.charCodeAt(s))return!1;return this.cursor+=t,!0},eq_s_b:function(t,i){if(this.cursor-this.limit_backward<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor-t+s)!=i.charCodeAt(s))return!1;return this.cursor-=t,!0},find_among:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=l;m<_.s_size;m++){if(n+l==u){f=-1;break}if(f=r.charCodeAt(n+l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){if(o>=(_=t[s]).s_size){if(this.cursor=n+_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n+_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},find_among_b:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit_backward,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=(m=t[a]).s_size-1-l;_>=0;_--){if(n-l==u){f=-1;break}if(f=r.charCodeAt(n-1-l)-m.s[_])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0||e==s||c)break;c=!0}}for(;;){var m=t[s];if(o>=m.s_size){if(this.cursor=n-m.s_size,!m.method)return m.result;var b=m.method();if(this.cursor=n-m.s_size,b)return m.result}if((s=m.substring_i)<0)return 0}},replace_s:function(t,i,s){var e=s.length-(i-t),n=r.substring(0,t),u=r.substring(i);return r=n+s+u,this.limit+=e,this.cursor>=i?this.cursor+=e:this.cursor>t&&(this.cursor=t),e},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>r.length)throw"faulty slice operation"},slice_from:function(r){this.slice_check(),this.replace_s(this.bra,this.ket,r)},slice_del:function(){this.slice_from("")},insert:function(r,t,i){var s=this.replace_s(r,t,i);r<=this.bra&&(this.bra+=s),r<=this.ket&&(this.ket+=s)},slice_to:function(){return this.slice_check(),r.substring(this.bra,this.ket)},eq_v_b:function(r){return this.eq_s_b(r.length,r)}}}},r.trimmerSupport={generateTrimmer:function(r){var t=new RegExp("^[^"+r+"]+"),i=new RegExp("[^"+r+"]+$");return function(r){return"function"==typeof r.update?r.update(function(r){return r.replace(t,"").replace(i,"")}):r.replace(t,"").replace(i,"")}}}}});
--- a/docs/assets/javascripts/lunr/lunr.sv.js
+++ b/docs/assets/javascripts/lunr/lunr.sv.js
@@ -0,0 +1 @@
+!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.sv=function(){this.pipeline.reset(),this.pipeline.add(e.sv.trimmer,e.sv.stopWordFilter,e.sv.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.sv.stemmer))},e.sv.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤﬀ-ﬆＡ-Ｚａ-ｚ",e.sv.trimmer=e.trimmerSupport.generateTrimmer(e.sv.wordCharacters),e.Pipeline.registerFunction(e.sv.trimmer,"trimmer-sv"),e.sv.stemmer=function(){var r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,t=new function(){var e,t,i=[new r("a",-1,1),new r("arna",0,1),new r("erna",0,1),new r("heterna",2,1),new r("orna",0,1),new r("ad",-1,1),new r("e",-1,1),new r("ade",6,1),new r("ande",6,1),new r("arne",6,1),new r("are",6,1),new r("aste",6,1),new r("en",-1,1),new r("anden",12,1),new r("aren",12,1),new r("heten",12,1),new r("ern",-1,1),new r("ar",-1,1),new r("er",-1,1),new r("heter",18,1),new r("or",-1,1),new r("s",-1,2),new r("as",21,1),new r("arnas",22,1),new r("ernas",22,1),new r("ornas",22,1),new r("es",21,1),new r("ades",26,1),new r("andes",26,1),new r("ens",21,1),new r("arens",29,1),new r("hetens",29,1),new r("erns",21,1),new r("at",-1,1),new r("andet",-1,1),new r("het",-1,1),new r("ast",-1,1)],s=[new r("dd",-1,-1),new r("gd",-1,-1),new r("nn",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1),new r("tt",-1,-1)],a=[new r("ig",-1,1),new r("lig",0,1),new r("els",-1,1),new r("fullt",-1,3),new r("löst",-1,2)],o=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,24,0,32],u=[119,127,149],c=new n;this.setCurrent=function(e){c.setCurrent(e)},this.getCurrent=function(){return c.getCurrent()},this.stem=function(){var r=c.cursor;return function(){var r,n=c.cursor+3;if(t=c.limit,0<=n||n<=c.limit){for(e=n;;){if(r=c.cursor,c.in_grouping(o,97,246)){c.cursor=r;break}if(c.cursor=r,c.cursor>=c.limit)return;c.cursor++}for(;!c.out_grouping(o,97,246);){if(c.cursor>=c.limit)return;c.cursor++}(t=c.cursor)<e&&(t=e)}}(),c.limit_backward=r,c.cursor=c.limit,function(){var e,r=c.limit_backward;if(c.cursor>=t&&(c.limit_backward=t,c.cursor=c.limit,c.ket=c.cursor,e=c.find_among_b(i,37),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:c.in_grouping_b(u,98,121)&&c.slice_del()}}(),c.cursor=c.limit,function(){var e=c.limit_backward;c.cursor>=t&&(c.limit_backward=t,c.cursor=c.limit,c.find_among_b(s,7)&&(c.cursor=c.limit,c.ket=c.cursor,c.cursor>c.limit_backward&&(c.bra=--c.cursor,c.slice_del())),c.limit_backward=e)}(),c.cursor=c.limit,function(){var e,r;if(c.cursor>=t){if(r=c.limit_backward,c.limit_backward=t,c.cursor=c.limit,c.ket=c.cursor,e=c.find_among_b(a,5))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:c.slice_from("lös");break;case 3:c.slice_from("full")}c.limit_backward=r}}(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return t.setCurrent(e),t.stem(),t.getCurrent()}):(t.setCurrent(e),t.stem(),t.getCurrent())}}(),e.Pipeline.registerFunction(e.sv.stemmer,"stemmer-sv"),e.sv.stopWordFilter=e.generateStopWordFilter("alla allt att av blev bli blir blivit de dem den denna deras dess dessa det detta dig din dina ditt du där då efter ej eller en er era ert ett från för ha hade han hans har henne hennes hon honom hur här i icke ingen inom inte jag ju kan kunde man med mellan men mig min mina mitt mot mycket ni nu när någon något några och om oss på samma sedan sig sin sina sitta själv skulle som så sådan sådana sådant till under upp ut utan vad var vara varför varit varje vars vart vem vi vid vilka vilkas vilken vilket vår våra vårt än är åt över".split(" ")),e.Pipeline.registerFunction(e.sv.stopWordFilter,"stopWordFilter-sv")}});
--- a/docs/assets/javascripts/lunr/lunr.tr.js
+++ b/docs/assets/javascripts/lunr/lunr.tr.js
--- a/docs/assets/javascripts/lunr/tinyseg.js
+++ b/docs/assets/javascripts/lunr/tinyseg.js
--- a/docs/assets/javascripts/modernizr.1aa3b519.js
+++ b/docs/assets/javascripts/modernizr.1aa3b519.js
--- a/docs/assets/stylesheets/application-palette.792431c1.css
+++ b/docs/assets/stylesheets/application-palette.792431c1.css
--- a/docs/assets/stylesheets/application.bcabdff3.css
+++ b/docs/assets/stylesheets/application.bcabdff3.css
--- a/docs/convert/index.html
+++ b/docs/convert/index.html
@@ -0,0 +1,495 @@
+
+
+
+
+<!DOCTYPE html>
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+    
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+        
+      </defs>
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+      Convert
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+    
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+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#yaml-to-json" title="Yaml to Json" class="md-nav__link">
+    Yaml to Json
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#json-to-yaml" title="Json to Yaml" class="md-nav__link">
+    Json to Yaml
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+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#yaml-to-json" title="Yaml to Json" class="md-nav__link">
+    Yaml to Json
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#json-to-yaml" title="Json to Yaml" class="md-nav__link">
+    Json to Yaml
+  </a>
+  
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+    </ul>
+  
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+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/convert.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Convert</h1>
+                
+                <h3 id="yaml-to-json">Yaml to Json<a class="headerlink" href="#yaml-to-json" title="Permanent link">&para;</a></h3>
+<p>To convert output to json, use the --tojson (or -j) flag. This can be used with any command.</p>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq r -j sample.yaml b.c
+</code></pre>
+
+<p>will output</p>
+<pre><code class="json">{&quot;b&quot;:{&quot;c&quot;:2}}
+</code></pre>
+
+<h3 id="json-to-yaml">Json to Yaml<a class="headerlink" href="#json-to-yaml" title="Permanent link">&para;</a></h3>
+<p>To read in json, just pass in a json file instead of yaml, it will just work :)</p>
+<p>e.g given a json file</p>
+<pre><code class="json">{&quot;a&quot;:&quot;Easy! as one two three&quot;,&quot;b&quot;:{&quot;c&quot;:2,&quot;d&quot;:[3,4]}}
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq r sample.json
+</code></pre>
+
+<p>will output</p>
+<pre><code class="yaml">a: Easy! as one two three
+b:
+  c: 2
+  d:
+  - 3
+  - 4
+</code></pre>
+                
+                  
+                
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+++ b/docs/create/index.html
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+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href=".." title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../write/" title="Write/Update" class="md-nav__link">
+      Write/Update
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../delete/" title="Delete" class="md-nav__link">
+      Delete
+    </a>
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+
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+      
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+
+
+  <li class="md-nav__item md-nav__item--active">
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+    
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+        Create
+      </label>
+    
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+      Create
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#creating-a-simple-yaml-file" title="Creating a simple yaml file" class="md-nav__link">
+    Creating a simple yaml file
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#creating-using-a-create-script" title="Creating using a create script" class="md-nav__link">
+    Creating using a create script
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+    
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
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+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary">
+  
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+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#creating-a-simple-yaml-file" title="Creating a simple yaml file" class="md-nav__link">
+    Creating a simple yaml file
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#creating-using-a-create-script" title="Creating using a create script" class="md-nav__link">
+    Creating using a create script
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/create.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Create</h1>
+                
+                <p>Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file.</p>
+<pre><code>yq n &lt;path&gt; &lt;new value&gt;
+</code></pre>
+
+<h3 id="creating-a-simple-yaml-file">Creating a simple yaml file<a class="headerlink" href="#creating-a-simple-yaml-file" title="Permanent link">&para;</a></h3>
+<pre><code class="bash">yq n b.c cat
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: cat
+</code></pre>
+
+<h3 id="creating-using-a-create-script">Creating using a create script<a class="headerlink" href="#creating-using-a-create-script" title="Permanent link">&para;</a></h3>
+<p>Create scripts follow the same format as the update scripts.</p>
+<p>Given a script create_instructions.yaml of:</p>
+<pre><code class="yaml">b.c: 3
+b.e[0].name: Howdy Partner
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq n -s create_instructions.yaml
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: 3
+  e:
+    - name: Howdy Partner
+</code></pre>
+
+<p>You can also pipe the instructions in:</p>
+<pre><code class="bash">cat create_instructions.yaml | yq n -s -
+</code></pre>
+
+<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
+<p>When specifying a key that has a dot use key lookup indicator.</p>
+<pre><code class="yaml">b:
+  foo.bar: 7
+</code></pre>
+
+<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
+</code></pre>
+
+<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
+</code></pre>
+
+<p>Any valid yaml key can be specified as part of a key lookup.</p>
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
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+  </a>
+
+          </div>
+        </div>
+      
+    </div>
+  </nav>
+</header>
+    
+    <div class="md-container">
+      
+        
+      
+      
+      <main class="md-main">
+        <div class="md-main__inner md-grid" data-md-component="container">
+          
+            
+              <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    <nav class="md-nav md-nav--primary" data-md-level="0">
+  <label class="md-nav__title md-nav__title--site" for="drawer">
+    <span class="md-nav__button md-logo">
+      
+        <i class="md-icon"></i>
+      
+    </span>
+    Yq
+  </label>
+  
+    <div class="md-nav__source">
+      
+
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+  
+
+
+  <a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
+    
+      <div class="md-source__icon">
+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+    </div>
+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href=".." title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../write/" title="Write/Update" class="md-nav__link">
+      Write/Update
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+  
+
+
+  <li class="md-nav__item md-nav__item--active">
+    
+    <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
+    
+    
+      <label class="md-nav__link md-nav__link--active" for="toc">
+        Delete
+      </label>
+    
+    <a href="./" title="Delete" class="md-nav__link md-nav__link--active">
+      Delete
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#to-stdout" title="To Stdout" class="md-nav__link">
+    To Stdout
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From STDIN" class="md-nav__link">
+    From STDIN
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#deleting-array-elements" title="Deleting array elements" class="md-nav__link">
+    Deleting array elements
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#deleting-nodes-in-place" title="Deleting nodes in-place" class="md-nav__link">
+    Deleting nodes in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+    
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
+              <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#to-stdout" title="To Stdout" class="md-nav__link">
+    To Stdout
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From STDIN" class="md-nav__link">
+    From STDIN
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#deleting-array-elements" title="Deleting array elements" class="md-nav__link">
+    Deleting array elements
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#deleting-nodes-in-place" title="Deleting nodes in-place" class="md-nav__link">
+    Deleting nodes in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/delete.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Delete</h1>
+                
+                <pre><code>yq d &lt;yaml_file|json_file&gt; &lt;path_to_delete&gt;
+</code></pre>
+
+<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
+<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+  apples: green
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq d sample.yaml b.c
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  apples: green
+</code></pre>
+
+<h3 id="from-stdin">From STDIN<a class="headerlink" href="#from-stdin" title="Permanent link">&para;</a></h3>
+<pre><code class="bash">cat sample.yaml | yq d - b.c
+</code></pre>
+
+<h3 id="deleting-array-elements">Deleting array elements<a class="headerlink" href="#deleting-array-elements" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 
+    - 1
+    - 2
+    - 3
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq d sample.yaml 'b.c[1]'
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c:
+  - 1
+  - 3
+</code></pre>
+
+<h3 id="deleting-nodes-in-place">Deleting nodes in-place<a class="headerlink" href="#deleting-nodes-in-place" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+  apples: green
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq d -i sample.yaml b.c
+</code></pre>
+
+<p>will update the sample.yaml file so that the 'c' node is deleted</p>
+<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
+<p>When specifying a key that has a dot use key lookup indicator.</p>
+<pre><code class="yaml">b:
+  foo.bar: 7
+</code></pre>
+
+<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
+</code></pre>
+
+<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
+</code></pre>
+
+<p>Any valid yaml key can be specified as part of a key lookup.</p>
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
+      
+        
+<footer class="md-footer">
+  
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+  </body>
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--- a/docs/index.html
+++ b/docs/index.html
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+
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+        
+      </defs>
+    </svg>
+    <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="drawer">
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+            
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+  <label class="md-search__overlay" for="search"></label>
+  <div class="md-search__inner">
+    <form class="md-search__form" name="search">
+      <input type="text" class="md-search__input" name="query" required placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query">
+      <label class="md-icon md-search__icon" for="search"></label>
+      <button type="reset" class="md-icon md-search__icon" data-md-component="reset">&#xE5CD;</button>
+    </form>
+    <div class="md-search__output">
+      <div class="md-search__scrollwrap" data-md-scrollfix>
+        <div class="md-search-result" data-md-component="result">
+          <div class="md-search-result__meta">
+            Type to start searching
+          </div>
+          <ol class="md-search-result__list"></ol>
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+        <div class="md-flex__cell md-flex__cell--shrink">
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+            
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+    
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+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
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+        </div>
+      
+    </div>
+  </nav>
+</header>
+    
+    <div class="md-container">
+      
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+          
+            
+              <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    <nav class="md-nav md-nav--primary" data-md-level="0">
+  <label class="md-nav__title md-nav__title--site" for="drawer">
+    <span class="md-nav__button md-logo">
+      
+        <i class="md-icon"></i>
+      
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+    Yq
+  </label>
+  
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+      
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+        <svg viewBox="0 0 24 24" width="24" height="24">
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+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
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+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
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+  <li class="md-nav__item md-nav__item--active">
+    
+    <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
+    
+      
+    
+    
+      <label class="md-nav__link md-nav__link--active" for="toc">
+        Install
+      </label>
+    
+    <a href="." title="Install" class="md-nav__link md-nav__link--active">
+      Install
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+    
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#install" title="Install" class="md-nav__link">
+    Install
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+    
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+
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+    <a href="read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
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+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="write/" title="Write/Update" class="md-nav__link">
+      Write/Update
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="delete/" title="Delete" class="md-nav__link">
+      Delete
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
+              <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
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+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary">
+  
+  
+    
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#install" title="Install" class="md-nav__link">
+    Install
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/index.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                <h1 id="yq">yq<a class="headerlink" href="#yq" title="Permanent link">&para;</a></h1>
+<p>yq is a lightweight and portable command-line YAML processor</p>
+<p>The aim of the project is to be the <a href="https://github.com/stedolan/jq">jq</a> or sed of yaml files.</p>
+<h2 id="install">Install<a class="headerlink" href="#install" title="Permanent link">&para;</a></h2>
+<p>On MacOS:</p>
+<pre><code>brew install yq
+</code></pre>
+
+<p>On Ubuntu and other Linux distros supporting <code>snap</code> packages:</p>
+<pre><code>snap install yq
+</code></pre>
+
+<p>or, <a href="https://github.com/mikefarah/yq/releases/latest">Download latest binary</a> or alternatively:</p>
+<pre><code>go get github.com/mikefarah/yq
+</code></pre>
+
+<p><a href="https://github.com/mikefarah/yq">View on GitHub</a></p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
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+</html>
--- a/docs/merge/index.html
+++ b/docs/merge/index.html
@@ -0,0 +1,574 @@
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+        
+      </defs>
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+              </span>
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+                Merge
+              </span>
+            
+          
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+      <div class="md-flex__cell md-flex__cell--shrink">
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+      <label class="md-icon md-search__icon" for="search"></label>
+      <button type="reset" class="md-icon md-search__icon" data-md-component="reset">&#xE5CD;</button>
+    </form>
+    <div class="md-search__output">
+      <div class="md-search__scrollwrap" data-md-scrollfix>
+        <div class="md-search-result" data-md-component="result">
+          <div class="md-search-result__meta">
+            Type to start searching
+          </div>
+          <ol class="md-search-result__list"></ol>
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+      </div>
+    </div>
+  </div>
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+        <div class="md-flex__cell md-flex__cell--shrink">
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+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
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+
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+    </div>
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+</header>
+    
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+    <span class="md-nav__button md-logo">
+      
+        <i class="md-icon"></i>
+      
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+    Yq
+  </label>
+  
+    <div class="md-nav__source">
+      
+
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+
+  <a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
+    
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+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+    </div>
+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href=".." title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../write/" title="Write/Update" class="md-nav__link">
+      Write/Update
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../delete/" title="Delete" class="md-nav__link">
+      Delete
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+  
+
+
+  <li class="md-nav__item md-nav__item--active">
+    
+    <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
+    
+    
+      <label class="md-nav__link md-nav__link--active" for="toc">
+        Merge
+      </label>
+    
+    <a href="./" title="Merge" class="md-nav__link md-nav__link--active">
+      Merge
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#to-stdout" title="To Stdout" class="md-nav__link">
+    To Stdout
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
+    Updating files in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#overwrite-values" title="Overwrite values" class="md-nav__link">
+    Overwrite values
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#overwrite-values-with-arrays" title="Overwrite values with arrays" class="md-nav__link">
+    Overwrite values with arrays
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+    
+  </li>
+
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+  </ul>
+</nav>
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+    To Stdout
+  </a>
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+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
+    Updating files in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#overwrite-values" title="Overwrite values" class="md-nav__link">
+    Overwrite values
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#overwrite-values-with-arrays" title="Overwrite values with arrays" class="md-nav__link">
+    Overwrite values with arrays
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/merge.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Merge</h1>
+                
+                <p>Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will
+set values for any key not existing already or where the key has no value.</p>
+<pre><code>yq m &lt;yaml_file|json_file&gt; &lt;path&gt;...
+</code></pre>
+
+<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
+<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
+<p>Given a data1.yaml file of:</p>
+<pre><code class="yaml">a: simple
+b: [1, 2]
+</code></pre>
+
+<p>and data2.yaml file of:</p>
+<pre><code class="yaml">a: other
+c:
+  test: 1
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq m data1.yaml data2.yaml
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">a: simple
+b: [1, 2]
+c:
+  test: 1
+</code></pre>
+
+<h3 id="updating-files-in-place">Updating files in-place<a class="headerlink" href="#updating-files-in-place" title="Permanent link">&para;</a></h3>
+<p>Given a data1.yaml file of:</p>
+<pre><code class="yaml">a: simple
+b: [1, 2]
+</code></pre>
+
+<p>and data2.yaml file of:</p>
+<pre><code class="yaml">a: other
+c:
+  test: 1
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq m -i data1.yaml data2.yaml
+</code></pre>
+
+<p>will update the data1.yaml file so that the value of 'c' is 'test: 1'.</p>
+<h3 id="overwrite-values">Overwrite values<a class="headerlink" href="#overwrite-values" title="Permanent link">&para;</a></h3>
+<p>Given a data1.yaml file of:</p>
+<pre><code class="yaml">a: simple
+b: [1, 2]
+</code></pre>
+
+<p>and data2.yaml file of:</p>
+<pre><code class="yaml">a: other
+c:
+  test: 1
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq m -x data1.yaml data2.yaml
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">a: other
+b: [1, 2]
+c:
+  test: 1
+</code></pre>
+
+<h3 id="overwrite-values-with-arrays">Overwrite values with arrays<a class="headerlink" href="#overwrite-values-with-arrays" title="Permanent link">&para;</a></h3>
+<p>Given a data1.yaml file of:</p>
+<pre><code class="yaml">a: simple
+b: [1, 2]
+</code></pre>
+
+<p>and data3.yaml file of:</p>
+<pre><code class="yaml">b: [2, 3, 4]
+c:
+  test: 2
+  other: true
+d: false
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq m -x data1.yaml data3.yaml
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">a: simple
+b: [2, 3, 4]
+c:
+  test: 2
+  other: true
+d: false
+</code></pre>
+
+<p>Notice that 'b' does not result in the merging of the values within an array. The underlying library does not
+currently handle merging values within an array.</p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
+      
+        
+<footer class="md-footer">
+  
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+        
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+                  Previous
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--- a/docs/read/index.html
+++ b/docs/read/index.html
@@ -0,0 +1,609 @@
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+  
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+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href=".." title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
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+      
+      
+      
+
+  
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+
+  <li class="md-nav__item md-nav__item--active">
+    
+    <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
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+        Read
+      </label>
+    
+    <a href="./" title="Read" class="md-nav__link md-nav__link--active">
+      Read
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#basic" title="Basic" class="md-nav__link">
+    Basic
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From Stdin" class="md-nav__link">
+    From Stdin
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#splat" title="Splat" class="md-nav__link">
+    Splat
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#arrays" title="Arrays" class="md-nav__link">
+    Arrays
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#array-splat" title="Array Splat" class="md-nav__link">
+    Array Splat
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
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+</li>
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+      
+      
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+</nav>
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+      Write/Update
+    </a>
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+    <a href="../delete/" title="Delete" class="md-nav__link">
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+    <a href="../create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
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+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
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+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
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+  </ul>
+</nav>
+                  </div>
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+            
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+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#basic" title="Basic" class="md-nav__link">
+    Basic
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From Stdin" class="md-nav__link">
+    From Stdin
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#splat" title="Splat" class="md-nav__link">
+    Splat
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#arrays" title="Arrays" class="md-nav__link">
+    Arrays
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#array-splat" title="Array Splat" class="md-nav__link">
+    Array Splat
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/read.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Read</h1>
+                
+                <pre><code>yq r &lt;yaml_file|json_file&gt; &lt;path&gt;
+</code></pre>
+
+<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
+<h3 id="basic">Basic<a class="headerlink" href="#basic" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq r sample.yaml b.c
+</code></pre>
+
+<p>will output the value of '2'.</p>
+<h3 id="from-stdin">From Stdin<a class="headerlink" href="#from-stdin" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="bash">cat sample.yaml | yq r - b.c
+</code></pre>
+
+<p>will output the value of '2'.</p>
+<h3 id="splat">Splat<a class="headerlink" href="#splat" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">---
+bob:
+  item1:
+    cats: bananas
+  item2:
+    cats: apples
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq r sample.yaml bob.*.cats
+</code></pre>
+
+<p>will output</p>
+<pre><code class="yaml">- bananas
+- apples
+</code></pre>
+
+<h3 id="arrays">Arrays<a class="headerlink" href="#arrays" title="Permanent link">&para;</a></h3>
+<p>You can give an index to access a specific element:
+e.g.: given a sample file of</p>
+<pre><code class="yaml">b:
+  e:
+    - name: fred
+      value: 3
+    - name: sam
+      value: 4
+</code></pre>
+
+<p>then</p>
+<pre><code>yq r sample.yaml 'b.e[1].name'
+</code></pre>
+
+<p>will output 'sam'</p>
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+<h3 id="array-splat">Array Splat<a class="headerlink" href="#array-splat" title="Permanent link">&para;</a></h3>
+<p>e.g.: given a sample file of</p>
+<pre><code class="yaml">b:
+  e:
+    - name: fred
+      value: 3
+    - name: sam
+      value: 4
+</code></pre>
+
+<p>then</p>
+<pre><code>yq r sample.yaml 'b.e[*].name'
+</code></pre>
+
+<p>will output:</p>
+<pre><code>- fred
+- sam
+</code></pre>
+
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
+<p>When specifying a key that has a dot use key lookup indicator.</p>
+<pre><code class="yaml">b:
+  foo.bar: 7
+</code></pre>
+
+<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
+</code></pre>
+
+<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
+</code></pre>
+
+<p>Any valid yaml key can be specified as part of a key lookup.</p>
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
+      
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+<footer class="md-footer">
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--- a/docs/search/search_index.json
+++ b/docs/search/search_index.json
@@ -0,0 +1,189 @@
+{
+    "docs": [
+        {
+            "location": "/",
+            "text": "yq\n\u00b6\n\n\nyq is a lightweight and portable command-line YAML processor\n\n\nThe aim of the project is to be the \njq\n or sed of yaml files.\n\n\nInstall\n\u00b6\n\n\nOn MacOS:\n\n\nbrew install yq\n\n\n\n\nOn Ubuntu and other Linux distros supporting \nsnap\n packages:\n\n\nsnap install yq\n\n\n\n\nor, \nDownload latest binary\n or alternatively:\n\n\ngo get github.com/mikefarah/yq\n\n\n\n\nView on GitHub",
+            "title": "Install"
+        },
+        {
+            "location": "/#yq",
+            "text": "yq is a lightweight and portable command-line YAML processor  The aim of the project is to be the  jq  or sed of yaml files.",
+            "title": "yq"
+        },
+        {
+            "location": "/#install",
+            "text": "On MacOS:  brew install yq  On Ubuntu and other Linux distros supporting  snap  packages:  snap install yq  or,  Download latest binary  or alternatively:  go get github.com/mikefarah/yq  View on GitHub",
+            "title": "Install"
+        },
+        {
+            "location": "/read/",
+            "text": "yq r <yaml_file|json_file> <path>\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nBasic\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n\n\n\n\nthen\n\n\nyq r sample.yaml b.c\n\n\n\n\nwill output the value of '2'.\n\n\nFrom Stdin\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\ncat sample.yaml | yq r - b.c\n\n\n\n\nwill output the value of '2'.\n\n\nSplat\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\n---\nbob:\n  item1:\n    cats: bananas\n  item2:\n    cats: apples\n\n\n\n\nthen\n\n\nyq r sample.yaml bob.*.cats\n\n\n\n\nwill output\n\n\n- bananas\n- apples\n\n\n\n\nArrays\n\u00b6\n\n\nYou can give an index to access a specific element:\ne.g.: given a sample file of\n\n\nb:\n  e:\n    - name: fred\n      value: 3\n    - name: sam\n      value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[1].name'\n\n\n\n\nwill output 'sam'\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nArray Splat\n\u00b6\n\n\ne.g.: given a sample file of\n\n\nb:\n  e:\n    - name: fred\n      value: 3\n    - name: sam\n      value: 4\n\n\n\n\nthen\n\n\nyq r sample.yaml 'b.e[*].name'\n\n\n\n\nwill output:\n\n\n- fred\n- sam\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n  foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Read"
+        },
+        {
+            "location": "/read/#basic",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2  then  yq r sample.yaml b.c  will output the value of '2'.",
+            "title": "Basic"
+        },
+        {
+            "location": "/read/#from-stdin",
+            "text": "Given a sample.yaml file of:  cat sample.yaml | yq r - b.c  will output the value of '2'.",
+            "title": "From Stdin"
+        },
+        {
+            "location": "/read/#splat",
+            "text": "Given a sample.yaml file of:  ---\nbob:\n  item1:\n    cats: bananas\n  item2:\n    cats: apples  then  yq r sample.yaml bob.*.cats  will output  - bananas\n- apples",
+            "title": "Splat"
+        },
+        {
+            "location": "/read/#arrays",
+            "text": "You can give an index to access a specific element:\ne.g.: given a sample file of  b:\n  e:\n    - name: fred\n      value: 3\n    - name: sam\n      value: 4  then  yq r sample.yaml 'b.e[1].name'  will output 'sam'  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Arrays"
+        },
+        {
+            "location": "/read/#array-splat",
+            "text": "e.g.: given a sample file of  b:\n  e:\n    - name: fred\n      value: 3\n    - name: sam\n      value: 4  then  yq r sample.yaml 'b.e[*].name'  will output:  - fred\n- sam  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Array Splat"
+        },
+        {
+            "location": "/read/#keys-with-dots",
+            "text": "When specifying a key that has a dot use key lookup indicator.  b:\n  foo.bar: 7  yaml r sample.yaml 'b[foo.bar]'  yaml w sample.yaml 'b[foo.bar]' 9  Any valid yaml key can be specified as part of a key lookup.  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Keys with dots"
+        },
+        {
+            "location": "/write/",
+            "text": "yq w <yaml_file|json_file> <path> <new value>\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.c cat\n\n\n\n\nwill output:\n\n\nb:\n  c: cat\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq w - b.c blah\n\n\n\n\nAdding new fields\n\u00b6\n\n\nAny missing fields in the path will be created on the fly.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n\n\n\n\nthen\n\n\nyq w sample.yaml b.d[0] \"new thing\"\n\n\n\n\nwill output:\n\n\nb:\n  c: cat\n  d:\n    - new thing\n\n\n\n\nAppending value to an array field\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n  d:\n    - new thing\n    - foo thing\n\n\n\n\nthen\n\n\nyq w sample.yaml \"b.d[+]\" \"bar thing\"\n\n\n\n\nwill output:\n\n\nb:\n  c: cat\n  d:\n    - new thing\n    - foo thing\n    - bar thing\n\n\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n\n\n\n\nthen\n\n\nyq w -i sample.yaml b.c cat\n\n\n\n\nwill update the sample.yaml file so that the value of 'c' is cat.\n\n\nUpdating multiple values with a script\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n  e:\n    - name: Billy Bob\n\n\n\n\nand a script update_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq w -s update_instructions.yaml sample.yaml\n\n\n\n\nwill output:\n\n\nb:\n  c: 3\n  e:\n    - name: Howdy Partner\n\n\n\n\nAnd, of course, you can pipe the instructions in using '-':\n\n\ncat update_instructions.yaml | yq w -s - sample.yaml\n\n\n\n\nValues starting with a hyphen (or dash)\n\u00b6\n\n\nThe flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:\n\n\nyq w -- my.path -3\n\n\n\n\nwill output\n\n\nmy:\n  path: -3\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n  foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Write/Update"
+        },
+        {
+            "location": "/write/#to-stdout",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2  then  yq w sample.yaml b.c cat  will output:  b:\n  c: cat",
+            "title": "To Stdout"
+        },
+        {
+            "location": "/write/#from-stdin",
+            "text": "cat sample.yaml | yq w - b.c blah",
+            "title": "From STDIN"
+        },
+        {
+            "location": "/write/#adding-new-fields",
+            "text": "Any missing fields in the path will be created on the fly.  Given a sample.yaml file of:  b:\n  c: 2  then  yq w sample.yaml b.d[0] \"new thing\"  will output:  b:\n  c: cat\n  d:\n    - new thing",
+            "title": "Adding new fields"
+        },
+        {
+            "location": "/write/#appending-value-to-an-array-field",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2\n  d:\n    - new thing\n    - foo thing  then  yq w sample.yaml \"b.d[+]\" \"bar thing\"  will output:  b:\n  c: cat\n  d:\n    - new thing\n    - foo thing\n    - bar thing  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Appending value to an array field"
+        },
+        {
+            "location": "/write/#updating-files-in-place",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2  then  yq w -i sample.yaml b.c cat  will update the sample.yaml file so that the value of 'c' is cat.",
+            "title": "Updating files in-place"
+        },
+        {
+            "location": "/write/#updating-multiple-values-with-a-script",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2\n  e:\n    - name: Billy Bob  and a script update_instructions.yaml of:  b.c: 3\nb.e[0].name: Howdy Partner  then  yq w -s update_instructions.yaml sample.yaml  will output:  b:\n  c: 3\n  e:\n    - name: Howdy Partner  And, of course, you can pipe the instructions in using '-':  cat update_instructions.yaml | yq w -s - sample.yaml",
+            "title": "Updating multiple values with a script"
+        },
+        {
+            "location": "/write/#values-starting-with-a-hyphen-or-dash",
+            "text": "The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:  yq w -- my.path -3  will output  my:\n  path: -3",
+            "title": "Values starting with a hyphen (or dash)"
+        },
+        {
+            "location": "/write/#keys-with-dots",
+            "text": "When specifying a key that has a dot use key lookup indicator.  b:\n  foo.bar: 7  yaml r sample.yaml 'b[foo.bar]'  yaml w sample.yaml 'b[foo.bar]' 9  Any valid yaml key can be specified as part of a key lookup.  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Keys with dots"
+        },
+        {
+            "location": "/delete/",
+            "text": "yq d <yaml_file|json_file> <path_to_delete>\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nTo Stdout\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n  apples: green\n\n\n\n\nthen\n\n\nyq d sample.yaml b.c\n\n\n\n\nwill output:\n\n\nb:\n  apples: green\n\n\n\n\nFrom STDIN\n\u00b6\n\n\ncat sample.yaml | yq d - b.c\n\n\n\n\nDeleting array elements\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: \n    - 1\n    - 2\n    - 3\n\n\n\n\nthen\n\n\nyq d sample.yaml 'b.c[1]'\n\n\n\n\nwill output:\n\n\nb:\n  c:\n  - 1\n  - 3\n\n\n\n\nDeleting nodes in-place\n\u00b6\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n  apples: green\n\n\n\n\nthen\n\n\nyq d -i sample.yaml b.c\n\n\n\n\nwill update the sample.yaml file so that the 'c' node is deleted\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n  foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Delete"
+        },
+        {
+            "location": "/delete/#to-stdout",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2\n  apples: green  then  yq d sample.yaml b.c  will output:  b:\n  apples: green",
+            "title": "To Stdout"
+        },
+        {
+            "location": "/delete/#from-stdin",
+            "text": "cat sample.yaml | yq d - b.c",
+            "title": "From STDIN"
+        },
+        {
+            "location": "/delete/#deleting-array-elements",
+            "text": "Given a sample.yaml file of:  b:\n  c: \n    - 1\n    - 2\n    - 3  then  yq d sample.yaml 'b.c[1]'  will output:  b:\n  c:\n  - 1\n  - 3",
+            "title": "Deleting array elements"
+        },
+        {
+            "location": "/delete/#deleting-nodes-in-place",
+            "text": "Given a sample.yaml file of:  b:\n  c: 2\n  apples: green  then  yq d -i sample.yaml b.c  will update the sample.yaml file so that the 'c' node is deleted",
+            "title": "Deleting nodes in-place"
+        },
+        {
+            "location": "/delete/#keys-with-dots",
+            "text": "When specifying a key that has a dot use key lookup indicator.  b:\n  foo.bar: 7  yaml r sample.yaml 'b[foo.bar]'  yaml w sample.yaml 'b[foo.bar]' 9  Any valid yaml key can be specified as part of a key lookup.  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Keys with dots"
+        },
+        {
+            "location": "/create/",
+            "text": "Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file.\n\n\nyq n <path> <new value>\n\n\n\n\nCreating a simple yaml file\n\u00b6\n\n\nyq n b.c cat\n\n\n\n\nwill output:\n\n\nb:\n  c: cat\n\n\n\n\nCreating using a create script\n\u00b6\n\n\nCreate scripts follow the same format as the update scripts.\n\n\nGiven a script create_instructions.yaml of:\n\n\nb.c: 3\nb.e[0].name: Howdy Partner\n\n\n\n\nthen\n\n\nyq n -s create_instructions.yaml\n\n\n\n\nwill output:\n\n\nb:\n  c: 3\n  e:\n    - name: Howdy Partner\n\n\n\n\nYou can also pipe the instructions in:\n\n\ncat create_instructions.yaml | yq n -s -\n\n\n\n\nKeys with dots\n\u00b6\n\n\nWhen specifying a key that has a dot use key lookup indicator.\n\n\nb:\n  foo.bar: 7\n\n\n\n\nyaml r sample.yaml 'b[foo.bar]'\n\n\n\n\nyaml w sample.yaml 'b[foo.bar]' 9\n\n\n\n\nAny valid yaml key can be specified as part of a key lookup.\n\n\nNote that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Create"
+        },
+        {
+            "location": "/create/#creating-a-simple-yaml-file",
+            "text": "yq n b.c cat  will output:  b:\n  c: cat",
+            "title": "Creating a simple yaml file"
+        },
+        {
+            "location": "/create/#creating-using-a-create-script",
+            "text": "Create scripts follow the same format as the update scripts.  Given a script create_instructions.yaml of:  b.c: 3\nb.e[0].name: Howdy Partner  then  yq n -s create_instructions.yaml  will output:  b:\n  c: 3\n  e:\n    - name: Howdy Partner  You can also pipe the instructions in:  cat create_instructions.yaml | yq n -s -",
+            "title": "Creating using a create script"
+        },
+        {
+            "location": "/create/#keys-with-dots",
+            "text": "When specifying a key that has a dot use key lookup indicator.  b:\n  foo.bar: 7  yaml r sample.yaml 'b[foo.bar]'  yaml w sample.yaml 'b[foo.bar]' 9  Any valid yaml key can be specified as part of a key lookup.  Note that the path is in quotes to avoid the square brackets being interpreted by your shell.",
+            "title": "Keys with dots"
+        },
+        {
+            "location": "/convert/",
+            "text": "Yaml to Json\n\u00b6\n\n\nTo convert output to json, use the --tojson (or -j) flag. This can be used with any command.\n\n\nGiven a sample.yaml file of:\n\n\nb:\n  c: 2\n\n\n\n\nthen\n\n\nyq r -j sample.yaml b.c\n\n\n\n\nwill output\n\n\n{\"b\":{\"c\":2}}\n\n\n\n\nJson to Yaml\n\u00b6\n\n\nTo read in json, just pass in a json file instead of yaml, it will just work :)\n\n\ne.g given a json file\n\n\n{\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}}\n\n\n\n\nthen\n\n\nyq r sample.json\n\n\n\n\nwill output\n\n\na: Easy! as one two three\nb:\n  c: 2\n  d:\n  - 3\n  - 4",
+            "title": "Convert"
+        },
+        {
+            "location": "/convert/#yaml-to-json",
+            "text": "To convert output to json, use the --tojson (or -j) flag. This can be used with any command.  Given a sample.yaml file of:  b:\n  c: 2  then  yq r -j sample.yaml b.c  will output  {\"b\":{\"c\":2}}",
+            "title": "Yaml to Json"
+        },
+        {
+            "location": "/convert/#json-to-yaml",
+            "text": "To read in json, just pass in a json file instead of yaml, it will just work :)  e.g given a json file  {\"a\":\"Easy! as one two three\",\"b\":{\"c\":2,\"d\":[3,4]}}  then  yq r sample.json  will output  a: Easy! as one two three\nb:\n  c: 2\n  d:\n  - 3\n  - 4",
+            "title": "Json to Yaml"
+        },
+        {
+            "location": "/merge/",
+            "text": "Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will\nset values for any key not existing already or where the key has no value.\n\n\nyq m <yaml_file|json_file> <path>...\n\n\n\n\nThis command can take a json file as input too, and will output yaml unless specified to export as json (-j)\n\n\nTo Stdout\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n  test: 1\n\n\n\n\nthen\n\n\nyq m data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [1, 2]\nc:\n  test: 1\n\n\n\n\nUpdating files in-place\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n  test: 1\n\n\n\n\nthen\n\n\nyq m -i data1.yaml data2.yaml\n\n\n\n\nwill update the data1.yaml file so that the value of 'c' is 'test: 1'.\n\n\nOverwrite values\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data2.yaml file of:\n\n\na: other\nc:\n  test: 1\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data2.yaml\n\n\n\n\nwill output:\n\n\na: other\nb: [1, 2]\nc:\n  test: 1\n\n\n\n\nOverwrite values with arrays\n\u00b6\n\n\nGiven a data1.yaml file of:\n\n\na: simple\nb: [1, 2]\n\n\n\n\nand data3.yaml file of:\n\n\nb: [2, 3, 4]\nc:\n  test: 2\n  other: true\nd: false\n\n\n\n\nthen\n\n\nyq m -x data1.yaml data3.yaml\n\n\n\n\nwill output:\n\n\na: simple\nb: [2, 3, 4]\nc:\n  test: 2\n  other: true\nd: false\n\n\n\n\nNotice that 'b' does not result in the merging of the values within an array. The underlying library does not\ncurrently handle merging values within an array.",
+            "title": "Merge"
+        },
+        {
+            "location": "/merge/#to-stdout",
+            "text": "Given a data1.yaml file of:  a: simple\nb: [1, 2]  and data2.yaml file of:  a: other\nc:\n  test: 1  then  yq m data1.yaml data2.yaml  will output:  a: simple\nb: [1, 2]\nc:\n  test: 1",
+            "title": "To Stdout"
+        },
+        {
+            "location": "/merge/#updating-files-in-place",
+            "text": "Given a data1.yaml file of:  a: simple\nb: [1, 2]  and data2.yaml file of:  a: other\nc:\n  test: 1  then  yq m -i data1.yaml data2.yaml  will update the data1.yaml file so that the value of 'c' is 'test: 1'.",
+            "title": "Updating files in-place"
+        },
+        {
+            "location": "/merge/#overwrite-values",
+            "text": "Given a data1.yaml file of:  a: simple\nb: [1, 2]  and data2.yaml file of:  a: other\nc:\n  test: 1  then  yq m -x data1.yaml data2.yaml  will output:  a: other\nb: [1, 2]\nc:\n  test: 1",
+            "title": "Overwrite values"
+        },
+        {
+            "location": "/merge/#overwrite-values-with-arrays",
+            "text": "Given a data1.yaml file of:  a: simple\nb: [1, 2]  and data3.yaml file of:  b: [2, 3, 4]\nc:\n  test: 2\n  other: true\nd: false  then  yq m -x data1.yaml data3.yaml  will output:  a: simple\nb: [2, 3, 4]\nc:\n  test: 2\n  other: true\nd: false  Notice that 'b' does not result in the merging of the values within an array. The underlying library does not\ncurrently handle merging values within an array.",
+            "title": "Overwrite values with arrays"
+        }
+    ]
+}
--- a/docs/sitemap.xml
+++ b/docs/sitemap.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+
+    
+    <url>
+     <loc>/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/read/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/write/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/delete/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/create/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/convert/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+    
+    <url>
+     <loc>/merge/</loc>
+     <lastmod>2018-05-07</lastmod>
+     <changefreq>daily</changefreq>
+    </url>
+    
+
+</urlset>
--- a/docs/write/index.html
+++ b/docs/write/index.html
@@ -0,0 +1,673 @@
+
+
+
+
+<!DOCTYPE html>
+<html lang="en" class="no-js">
+  <head>
+    
+      <meta charset="utf-8">
+      <meta name="viewport" content="width=device-width,initial-scale=1">
+      <meta http-equiv="x-ua-compatible" content="ie=edge">
+      
+      
+      
+      
+        <meta name="lang:clipboard.copy" content="Copy to clipboard">
+      
+        <meta name="lang:clipboard.copied" content="Copied to clipboard">
+      
+        <meta name="lang:search.language" content="en">
+      
+        <meta name="lang:search.result.none" content="No matching documents">
+      
+        <meta name="lang:search.result.one" content="1 matching document">
+      
+        <meta name="lang:search.result.other" content="# matching documents">
+      
+        <meta name="lang:search.tokenizer" content="[\s\-]+">
+      
+      <link rel="shortcut icon" href="../assets/images/favicon.png">
+      <meta name="generator" content="mkdocs-0.17.2, mkdocs-material-2.2.5">
+    
+    
+      
+        <title>Write/Update - Yq</title>
+      
+    
+    
+      <link rel="stylesheet" href="../assets/stylesheets/application.bcabdff3.css">
+      
+    
+    
+      <script src="../assets/javascripts/modernizr.1aa3b519.js"></script>
+    
+    
+      
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700|Roboto+Mono">
+        <style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
+      
+      <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    
+    
+    
+  </head>
+  
+    <body>
+  
+    <svg class="md-svg">
+      <defs>
+        
+        
+          <svg xmlns="http://www.w3.org/2000/svg" width="416" height="448" viewBox="0 0 416 448" id="github"><path fill="currentColor" d="M160 304q0 10-3.125 20.5t-10.75 19T128 352t-18.125-8.5-10.75-19T96 304t3.125-20.5 10.75-19T128 256t18.125 8.5 10.75 19T160 304zm160 0q0 10-3.125 20.5t-10.75 19T288 352t-18.125-8.5-10.75-19T256 304t3.125-20.5 10.75-19T288 256t18.125 8.5 10.75 19T320 304zm40 0q0-30-17.25-51T296 232q-10.25 0-48.75 5.25Q229.5 240 208 240t-39.25-2.75Q130.75 232 120 232q-29.5 0-46.75 21T56 304q0 22 8 38.375t20.25 25.75 30.5 15 35 7.375 37.25 1.75h42q20.5 0 37.25-1.75t35-7.375 30.5-15 20.25-25.75T360 304zm56-44q0 51.75-15.25 82.75-9.5 19.25-26.375 33.25t-35.25 21.5-42.5 11.875-42.875 5.5T212 416q-19.5 0-35.5-.75t-36.875-3.125-38.125-7.5-34.25-12.875T37 371.5t-21.5-28.75Q0 312 0 260q0-59.25 34-99-6.75-20.5-6.75-42.5 0-29 12.75-54.5 27 0 47.5 9.875t47.25 30.875Q171.5 96 212 96q37 0 70 8 26.25-20.5 46.75-30.25T376 64q12.75 25.5 12.75 54.5 0 21.75-6.75 42 34 40 34 99.5z"/></svg>
+        
+      </defs>
+    </svg>
+    <input class="md-toggle" data-md-toggle="drawer" type="checkbox" id="drawer">
+    <input class="md-toggle" data-md-toggle="search" type="checkbox" id="search">
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+  <nav class="md-header-nav md-grid">
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+        <a href=".." title="Yq" class="md-header-nav__button md-logo">
+          
+            <i class="md-icon"></i>
+          
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+      </div>
+      <div class="md-flex__cell md-flex__cell--shrink">
+        <label class="md-icon md-icon--menu md-header-nav__button" for="drawer"></label>
+      </div>
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+          
+            
+              <span class="md-header-nav__topic">
+                Yq
+              </span>
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+                Write/Update
+              </span>
+            
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+      <div class="md-flex__cell md-flex__cell--shrink">
+        
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+            <label class="md-icon md-icon--search md-header-nav__button" for="search"></label>
+            
+<div class="md-search" data-md-component="search" role="dialog">
+  <label class="md-search__overlay" for="search"></label>
+  <div class="md-search__inner">
+    <form class="md-search__form" name="search">
+      <input type="text" class="md-search__input" name="query" required placeholder="Search" autocapitalize="off" autocorrect="off" autocomplete="off" spellcheck="false" data-md-component="query">
+      <label class="md-icon md-search__icon" for="search"></label>
+      <button type="reset" class="md-icon md-search__icon" data-md-component="reset">&#xE5CD;</button>
+    </form>
+    <div class="md-search__output">
+      <div class="md-search__scrollwrap" data-md-scrollfix>
+        <div class="md-search-result" data-md-component="result">
+          <div class="md-search-result__meta">
+            Type to start searching
+          </div>
+          <ol class="md-search-result__list"></ol>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+          
+        
+      </div>
+      
+        <div class="md-flex__cell md-flex__cell--shrink">
+          <div class="md-header-nav__source">
+            
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+    
+      <div class="md-source__icon">
+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+          </div>
+        </div>
+      
+    </div>
+  </nav>
+</header>
+    
+    <div class="md-container">
+      
+        
+      
+      
+      <main class="md-main">
+        <div class="md-main__inner md-grid" data-md-component="container">
+          
+            
+              <div class="md-sidebar md-sidebar--primary" data-md-component="navigation">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    <nav class="md-nav md-nav--primary" data-md-level="0">
+  <label class="md-nav__title md-nav__title--site" for="drawer">
+    <span class="md-nav__button md-logo">
+      
+        <i class="md-icon"></i>
+      
+    </span>
+    Yq
+  </label>
+  
+    <div class="md-nav__source">
+      
+
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+  
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+    
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+        <svg viewBox="0 0 24 24" width="24" height="24">
+          <use xlink:href="#github" width="24" height="24"></use>
+        </svg>
+      </div>
+    
+    <div class="md-source__repository">
+      mikefarah/yq
+    </div>
+  </a>
+
+    </div>
+  
+  <ul class="md-nav__list" data-md-scrollfix>
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href=".." title="Install" class="md-nav__link">
+      Install
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../read/" title="Read" class="md-nav__link">
+      Read
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+  
+
+
+  <li class="md-nav__item md-nav__item--active">
+    
+    <input class="md-toggle md-nav__toggle" data-md-toggle="toc" type="checkbox" id="toc">
+    
+    
+      <label class="md-nav__link md-nav__link--active" for="toc">
+        Write/Update
+      </label>
+    
+    <a href="./" title="Write/Update" class="md-nav__link md-nav__link--active">
+      Write/Update
+    </a>
+    
+      
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#to-stdout" title="To Stdout" class="md-nav__link">
+    To Stdout
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From STDIN" class="md-nav__link">
+    From STDIN
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#adding-new-fields" title="Adding new fields" class="md-nav__link">
+    Adding new fields
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#appending-value-to-an-array-field" title="Appending value to an array field" class="md-nav__link">
+    Appending value to an array field
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
+    Updating files in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-multiple-values-with-a-script" title="Updating multiple values with a script" class="md-nav__link">
+    Updating multiple values with a script
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#values-starting-with-a-hyphen-or-dash" title="Values starting with a hyphen (or dash)" class="md-nav__link">
+    Values starting with a hyphen (or dash)
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+    
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../delete/" title="Delete" class="md-nav__link">
+      Delete
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../create/" title="Create" class="md-nav__link">
+      Create
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../convert/" title="Convert" class="md-nav__link">
+      Convert
+    </a>
+  </li>
+
+    
+      
+      
+      
+
+
+  <li class="md-nav__item">
+    <a href="../merge/" title="Merge" class="md-nav__link">
+      Merge
+    </a>
+  </li>
+
+    
+  </ul>
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+            
+              <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
+                <div class="md-sidebar__scrollwrap">
+                  <div class="md-sidebar__inner">
+                    
+<nav class="md-nav md-nav--secondary">
+  
+  
+  
+    <label class="md-nav__title" for="toc">Table of contents</label>
+    <ul class="md-nav__list" data-md-scrollfix>
+      
+        <li class="md-nav__item">
+  <a href="#to-stdout" title="To Stdout" class="md-nav__link">
+    To Stdout
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#from-stdin" title="From STDIN" class="md-nav__link">
+    From STDIN
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#adding-new-fields" title="Adding new fields" class="md-nav__link">
+    Adding new fields
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#appending-value-to-an-array-field" title="Appending value to an array field" class="md-nav__link">
+    Appending value to an array field
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-files-in-place" title="Updating files in-place" class="md-nav__link">
+    Updating files in-place
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#updating-multiple-values-with-a-script" title="Updating multiple values with a script" class="md-nav__link">
+    Updating multiple values with a script
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#values-starting-with-a-hyphen-or-dash" title="Values starting with a hyphen (or dash)" class="md-nav__link">
+    Values starting with a hyphen (or dash)
+  </a>
+  
+</li>
+      
+        <li class="md-nav__item">
+  <a href="#keys-with-dots" title="Keys with dots" class="md-nav__link">
+    Keys with dots
+  </a>
+  
+</li>
+      
+      
+      
+    </ul>
+  
+</nav>
+                  </div>
+                </div>
+              </div>
+            
+          
+          <div class="md-content">
+            <article class="md-content__inner md-typeset">
+              
+                
+                  <a href="https://github.com/mikefarah/yq/edit/master/docs/write.md" title="Edit this page" class="md-icon md-content__icon">&#xE3C9;</a>
+                
+                
+                  <h1>Write/Update</h1>
+                
+                <pre><code>yq w &lt;yaml_file|json_file&gt; &lt;path&gt; &lt;new value&gt;
+</code></pre>
+
+<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
+<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq w sample.yaml b.c cat
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: cat
+</code></pre>
+
+<h3 id="from-stdin">From STDIN<a class="headerlink" href="#from-stdin" title="Permanent link">&para;</a></h3>
+<pre><code class="bash">cat sample.yaml | yq w - b.c blah
+</code></pre>
+
+<h3 id="adding-new-fields">Adding new fields<a class="headerlink" href="#adding-new-fields" title="Permanent link">&para;</a></h3>
+<p>Any missing fields in the path will be created on the fly.</p>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq w sample.yaml b.d[0] &quot;new thing&quot;
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: cat
+  d:
+    - new thing
+</code></pre>
+
+<h3 id="appending-value-to-an-array-field">Appending value to an array field<a class="headerlink" href="#appending-value-to-an-array-field" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+  d:
+    - new thing
+    - foo thing
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq w sample.yaml &quot;b.d[+]&quot; &quot;bar thing&quot;
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: cat
+  d:
+    - new thing
+    - foo thing
+    - bar thing
+</code></pre>
+
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+<h3 id="updating-files-in-place">Updating files in-place<a class="headerlink" href="#updating-files-in-place" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq w -i sample.yaml b.c cat
+</code></pre>
+
+<p>will update the sample.yaml file so that the value of 'c' is cat.</p>
+<h3 id="updating-multiple-values-with-a-script">Updating multiple values with a script<a class="headerlink" href="#updating-multiple-values-with-a-script" title="Permanent link">&para;</a></h3>
+<p>Given a sample.yaml file of:</p>
+<pre><code class="yaml">b:
+  c: 2
+  e:
+    - name: Billy Bob
+</code></pre>
+
+<p>and a script update_instructions.yaml of:</p>
+<pre><code class="yaml">b.c: 3
+b.e[0].name: Howdy Partner
+</code></pre>
+
+<p>then</p>
+<pre><code class="bash">yq w -s update_instructions.yaml sample.yaml
+</code></pre>
+
+<p>will output:</p>
+<pre><code class="yaml">b:
+  c: 3
+  e:
+    - name: Howdy Partner
+</code></pre>
+
+<p>And, of course, you can pipe the instructions in using '-':</p>
+<pre><code class="bash">cat update_instructions.yaml | yq w -s - sample.yaml
+</code></pre>
+
+<h3 id="values-starting-with-a-hyphen-or-dash">Values starting with a hyphen (or dash)<a class="headerlink" href="#values-starting-with-a-hyphen-or-dash" title="Permanent link">&para;</a></h3>
+<p>The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:</p>
+<pre><code>yq w -- my.path -3
+</code></pre>
+
+<p>will output</p>
+<pre><code class="yaml">my:
+  path: -3
+</code></pre>
+
+<h3 id="keys-with-dots">Keys with dots<a class="headerlink" href="#keys-with-dots" title="Permanent link">&para;</a></h3>
+<p>When specifying a key that has a dot use key lookup indicator.</p>
+<pre><code class="yaml">b:
+  foo.bar: 7
+</code></pre>
+
+<pre><code class="bash">yaml r sample.yaml 'b[foo.bar]'
+</code></pre>
+
+<pre><code class="bash">yaml w sample.yaml 'b[foo.bar]' 9
+</code></pre>
+
+<p>Any valid yaml key can be specified as part of a key lookup.</p>
+<p>Note that the path is in quotes to avoid the square brackets being interpreted by your shell.</p>
+                
+                  
+                
+              
+              
+                
+              
+            </article>
+          </div>
+        </div>
+      </main>
+      
+        
+<footer class="md-footer">
+  
+    <div class="md-footer-nav">
+      <nav class="md-footer-nav__inner md-grid">
+        
+          <a href="../read/" title="Read" class="md-flex md-footer-nav__link md-footer-nav__link--prev" rel="prev">
+            <div class="md-flex__cell md-flex__cell--shrink">
+              <i class="md-icon md-icon--arrow-back md-footer-nav__button"></i>
+            </div>
+            <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title">
+              <span class="md-flex__ellipsis">
+                <span class="md-footer-nav__direction">
+                  Previous
+                </span>
+                Read
+              </span>
+            </div>
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+        
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+            <div class="md-flex__cell md-flex__cell--stretch md-footer-nav__title">
+              <span class="md-flex__ellipsis">
+                <span class="md-footer-nav__direction">
+                  Next
+                </span>
+                Delete
+              </span>
+            </div>
+            <div class="md-flex__cell md-flex__cell--shrink">
+              <i class="md-icon md-icon--arrow-forward md-footer-nav__button"></i>
+            </div>
+          </a>
+        
+      </nav>
+    </div>
+  
+  <div class="md-footer-meta md-typeset">
+    <div class="md-footer-meta__inner md-grid">
+      <div class="md-footer-copyright">
+        
+        powered by
+        <a href="http://www.mkdocs.org">MkDocs</a>
+        and
+        <a href="https://squidfunk.github.io/mkdocs-material/">
+          Material for MkDocs</a>
+      </div>
+      
+        
+  <div class="md-footer-social">
+    
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
+    
+      <a href="https://github.com/mikefarah" class="md-footer-social__link fa fa-github"></a>
+    
+      <a href="https://www.linkedin.com/in/mike-farah-b5a75b2/" class="md-footer-social__link fa fa-linkedin"></a>
+    
+  </div>
+
+      
+    </div>
+  </div>
+</footer>
+      
+    </div>
+    
+      <script src="../assets/javascripts/application.6cdc17f0.js"></script>
+      
+      <script>app.initialize({version:"0.17.2",url:{base:".."}})</script>
+      
+    
+    
+      
+    
+  </body>
+</html>
--- a/examples/array.yaml
+++ b/examples/array.yaml
@@ -0,0 +1,9 @@
+---
+- become: true
+  gather_facts: false
+  hosts: lalaland
+  name: "Apply smth"
+  roles:
+    - lala
+    - land
+  serial: 1
--- a/examples/data1.yaml
+++ b/examples/data1.yaml
@@ -0,0 +1,2 @@
+a: simple
+b: [1, 2]
--- a/examples/data2.yaml
+++ b/examples/data2.yaml
@@ -0,0 +1,3 @@
+a: other
+c:
+  test: 1
--- a/examples/data3.yaml
+++ b/examples/data3.yaml
@@ -0,0 +1,5 @@
+b: [2, 3, 4]
+c:
+  test: 2
+  other: true
+d: false
--- a/examples/instruction_sample.yaml
+++ b/examples/instruction_sample.yaml
@@ -0,0 +1,2 @@
+b.c: cat
+b.e[0].name: Mike Farah
--- a/examples/multiline-text.yaml
+++ b/examples/multiline-text.yaml
@@ -0,0 +1,5 @@
+test: |
+  abcdefg    
+  hijklmno
+
+
--- a/examples/order.yaml
+++ b/examples/order.yaml
@@ -0,0 +1,2 @@
+version: 3
+application: MyApp
--- a/examples/order.yml
+++ b/examples/order.yml
@@ -0,0 +1,6 @@
+version: '2'
+services:
+  test:
+    image: ubuntu:14.04
+    stdin_open: true
+    tty: true
--- a/examples/sample.json
+++ b/examples/sample.json
@@ -0,0 +1 @@
+{"a":"Easy! as one two three","b":{"c":2,"d":[3,4],"e":[{"name":"fred","value":3},{"name":"sam","value":4}]}}
--- a/examples/sample.yaml
+++ b/examples/sample.yaml
--- a/examples/sample2.yaml
+++ b/examples/sample2.yaml
@@ -0,0 +1,9 @@
+a: Easy! as one two three
+b:
+  c: things
+  d: whatever
+things:
+ thing1:
+  cat: 'fred'
+ thing2:
+  cat: 'sam'
--- a/examples/sample_array.yaml
+++ b/examples/sample_array.yaml
@@ -0,0 +1 @@
+[1,2,3]
--- a/examples/sample_text.yaml
+++ b/examples/sample_text.yaml
@@ -0,0 +1 @@
+hi
--- a/json_converter.go
+++ b/json_converter.go
@@ -0,0 +1,44 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+func jsonToString(context interface{}) (string, error) {
+	out, err := json.Marshal(toJSON(context))
+	if err != nil {
+		return "", fmt.Errorf("error printing yaml as json: %v", err)
+	}
+	return string(out), nil
+}
+
+func toJSON(context interface{}) interface{} {
+	switch context.(type) {
+	case []interface{}:
+		oldArray := context.([]interface{})
+		newArray := make([]interface{}, len(oldArray))
+		for index, value := range oldArray {
+			newArray[index] = toJSON(value)
+		}
+		return newArray
+	case yaml.MapSlice:
+		oldMap := context.(yaml.MapSlice)
+		newMap := make(map[string]interface{})
+		for _, entry := range oldMap {
+			if str, ok := entry.Key.(string); ok {
+				newMap[str] = toJSON(entry.Value)
+			} else if i, ok := entry.Key.(int); ok {
+				newMap[strconv.Itoa(i)] = toJSON(entry.Value)
+			} else if b, ok := entry.Key.(bool); ok {
+				newMap[strconv.FormatBool(b)] = toJSON(entry.Value)
+			}
+		}
+		return newMap
+	default:
+		return context
+	}
+}
--- a/json_converter_test.go
+++ b/json_converter_test.go
@@ -0,0 +1,46 @@
+package main
+
+import (
+	"testing"
+)
+
+func TestJsonToString(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  c: 2
+`)
+	got, _ := jsonToString(data)
+	assertResult(t, "{\"b\":{\"c\":2}}", got)
+}
+
+func TestJsonToString_withIntKey(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  2: c
+`)
+	got, _ := jsonToString(data)
+	assertResult(t, `{"b":{"2":"c"}}`, got)
+}
+
+func TestJsonToString_withBoolKey(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  false: c
+`)
+	got, _ := jsonToString(data)
+	assertResult(t, `{"b":{"false":"c"}}`, got)
+}
+
+func TestJsonToString_withArray(t *testing.T) {
+	var data = parseData(`
+---
+b:
+  - item: one
+  - item: two
+`)
+	got, _ := jsonToString(data)
+	assertResult(t, "{\"b\":[{\"item\":\"one\"},{\"item\":\"two\"}]}", got)
+}
--- a/merge.go
+++ b/merge.go
@@ -0,0 +1,12 @@
+package main
+
+import (
+	"github.com/imdario/mergo"
+)
+
+func merge(dst, src interface{}, overwrite bool) error {
+	if overwrite {
+		return mergo.MergeWithOverwrite(dst, src)
+	}
+	return mergo.Merge(dst, src)
+}
--- a/merge_test.go
+++ b/merge_test.go
@@ -0,0 +1,30 @@
+package main
+
+import (
+	"testing"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+func TestMerge(t *testing.T) {
+	result, _ := mergeYaml([]string{"examples/data1.yaml", "examples/data2.yaml", "examples/data3.yaml"})
+	expected := yaml.MapSlice{
+		yaml.MapItem{Key: "a", Value: "simple"},
+		yaml.MapItem{Key: "b", Value: []interface{}{1, 2}},
+		yaml.MapItem{Key: "c", Value: yaml.MapSlice{yaml.MapItem{Key: "other", Value: true}, yaml.MapItem{Key: "test", Value: 1}}},
+		yaml.MapItem{Key: "d", Value: false},
+	}
+	assertResultComplex(t, expected, result)
+}
+
+func TestMergeWithOverwrite(t *testing.T) {
+	overwriteFlag = true
+	result, _ := mergeYaml([]string{"examples/data1.yaml", "examples/data2.yaml", "examples/data3.yaml"})
+	expected := yaml.MapSlice{
+		yaml.MapItem{Key: "a", Value: "other"},
+		yaml.MapItem{Key: "b", Value: []interface{}{2, 3, 4}},
+		yaml.MapItem{Key: "c", Value: yaml.MapSlice{yaml.MapItem{Key: "other", Value: true}, yaml.MapItem{Key: "test", Value: 2}}},
+		yaml.MapItem{Key: "d", Value: false},
+	}
+	assertResultComplex(t, expected, result)
+}
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -0,0 +1,26 @@
+docs_dir: mkdocs
+site_dir: docs
+site_name: Yq
+theme: 'material'
+pages:
+    - Install: index.md
+    - Read: read.md
+    - Write/Update: write.md
+    - Delete: delete.md
+    - Create: create.md
+    - Convert: convert.md
+    - Merge: merge.md
+repo_name: 'mikefarah/yq'
+repo_url: 'https://github.com/mikefarah/yq'
+
+extra:
+  social:
+    - type: 'github'
+      link: 'https://github.com/mikefarah'
+    - type: 'linkedin'
+      link: 'https://www.linkedin.com/in/mike-farah-b5a75b2/'
+
+markdown_extensions:
+  - markdown_include.include:
+      base_path: mkdocs
+  - toc(permalink=true)
--- a/mkdocs/convert.md
+++ b/mkdocs/convert.md
@@ -0,0 +1,40 @@
+### Yaml to Json
+To convert output to json, use the --tojson (or -j) flag. This can be used with any command.
+
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+```
+then
+```bash
+yq r -j sample.yaml b.c
+```
+
+will output
+```json
+{"b":{"c":2}}
+```
+
+### Json to Yaml
+To read in json, just pass in a json file instead of yaml, it will just work :)
+
+e.g given a json file
+
+```json
+{"a":"Easy! as one two three","b":{"c":2,"d":[3,4]}}
+```
+then
+```bash
+yq r sample.json
+```
+will output
+```yaml
+a: Easy! as one two three
+b:
+  c: 2
+  d:
+  - 3
+  - 4
+```
+
--- a/mkdocs/create.md
+++ b/mkdocs/create.md
@@ -0,0 +1,44 @@
+Yaml files can be created using the 'new' command. This works in the same way as the write command, but you don't pass in an existing Yaml file.
+
+```
+yq n <path> <new value>
+```
+
+### Creating a simple yaml file
+```bash
+yq n b.c cat
+```
+will output:
+```yaml
+b:
+  c: cat
+```
+
+### Creating using a create script
+Create scripts follow the same format as the update scripts.
+
+Given a script create_instructions.yaml of:
+```yaml
+b.c: 3
+b.e[0].name: Howdy Partner
+```
+then
+
+```bash
+yq n -s create_instructions.yaml
+```
+will output:
+```yaml
+b:
+  c: 3
+  e:
+    - name: Howdy Partner
+```
+
+You can also pipe the instructions in:
+
+```bash
+cat create_instructions.yaml | yq n -s -
+```
+
+{!snippets/keys_with_dots.md!}
--- a/mkdocs/delete.md
+++ b/mkdocs/delete.md
@@ -0,0 +1,63 @@
+```
+yq d <yaml_file|json_file> <path_to_delete>
+```
+{!snippets/works_with_json.md!}
+
+### To Stdout
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+  apples: green
+```
+then
+```bash
+yq d sample.yaml b.c
+```
+will output:
+```yaml
+b:
+  apples: green
+```
+
+### From STDIN
+```bash
+cat sample.yaml | yq d - b.c
+```
+
+### Deleting array elements
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 
+    - 1
+    - 2
+    - 3
+```
+then
+```bash
+yq d sample.yaml 'b.c[1]'
+```
+will output:
+```yaml
+b:
+  c:
+  - 1
+  - 3
+```
+
+### Deleting nodes in-place
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+  apples: green
+```
+then
+```bash
+yq d -i sample.yaml b.c
+```
+will update the sample.yaml file so that the 'c' node is deleted
+
+
+{!snippets/keys_with_dots.md!}
--- a/mkdocs/index.md
+++ b/mkdocs/index.md
@@ -0,0 +1,20 @@
+# yq
+yq is a lightweight and portable command-line YAML processor
+
+The aim of the project is to be the [jq](https://github.com/stedolan/jq) or sed of yaml files.
+
+## Install
+On MacOS:
+```
+brew install yq
+```
+On Ubuntu and other Linux distros supporting `snap` packages:
+```
+snap install yq
+```
+or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
+```
+go get github.com/mikefarah/yq
+```
+
+[View on GitHub](https://github.com/mikefarah/yq)
--- a/mkdocs/merge.md
+++ b/mkdocs/merge.md
@@ -0,0 +1,104 @@
+Yaml files can be merged using the 'merge' command. Each additional file merged with the first file will
+set values for any key not existing already or where the key has no value.
+
+```
+yq m <yaml_file|json_file> <path>...
+```
+{!snippets/works_with_json.md!}
+
+### To Stdout
+Given a data1.yaml file of:
+```yaml
+a: simple
+b: [1, 2]
+```
+and data2.yaml file of:
+```yaml
+a: other
+c:
+  test: 1
+```
+then
+```bash
+yq m data1.yaml data2.yaml
+```
+will output:
+```yaml
+a: simple
+b: [1, 2]
+c:
+  test: 1
+```
+
+### Updating files in-place
+Given a data1.yaml file of:
+```yaml
+a: simple
+b: [1, 2]
+```
+and data2.yaml file of:
+```yaml
+a: other
+c:
+  test: 1
+```
+then
+```bash
+yq m -i data1.yaml data2.yaml
+```
+will update the data1.yaml file so that the value of 'c' is 'test: 1'.
+
+### Overwrite values
+Given a data1.yaml file of:
+```yaml
+a: simple
+b: [1, 2]
+```
+and data2.yaml file of:
+```yaml
+a: other
+c:
+  test: 1
+```
+then
+```bash
+yq m -x data1.yaml data2.yaml
+```
+will output:
+```yaml
+a: other
+b: [1, 2]
+c:
+  test: 1
+```
+
+### Overwrite values with arrays
+Given a data1.yaml file of:
+```yaml
+a: simple
+b: [1, 2]
+```
+and data3.yaml file of:
+```yaml
+b: [2, 3, 4]
+c:
+  test: 2
+  other: true
+d: false
+```
+then
+```bash
+yq m -x data1.yaml data3.yaml
+```
+will output:
+```yaml
+a: simple
+b: [2, 3, 4]
+c:
+  test: 2
+  other: true
+d: false
+```
+
+Notice that 'b' does not result in the merging of the values within an array. The underlying library does not
+currently handle merging values within an array.
--- a/mkdocs/read.md
+++ b/mkdocs/read.md
@@ -0,0 +1,86 @@
+```
+yq r <yaml_file|json_file> <path>
+```
+
+{!snippets/works_with_json.md!}
+
+### Basic
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+```
+then
+```bash
+yq r sample.yaml b.c
+```
+will output the value of '2'.
+
+### From Stdin
+Given a sample.yaml file of:
+```bash
+cat sample.yaml | yq r - b.c
+```
+will output the value of '2'.
+
+### Splat
+Given a sample.yaml file of:
+```yaml
+---
+bob:
+  item1:
+    cats: bananas
+  item2:
+    cats: apples
+```
+then
+```bash
+yq r sample.yaml bob.*.cats
+```
+will output
+```yaml
+- bananas
+- apples
+```
+
+### Arrays
+You can give an index to access a specific element:
+e.g.: given a sample file of
+```yaml
+b:
+  e:
+    - name: fred
+      value: 3
+    - name: sam
+      value: 4
+```
+then
+```
+yq r sample.yaml 'b.e[1].name'
+```
+will output 'sam'
+
+Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
+
+### Array Splat
+e.g.: given a sample file of
+```yaml
+b:
+  e:
+    - name: fred
+      value: 3
+    - name: sam
+      value: 4
+```
+then
+```
+yq r sample.yaml 'b.e[*].name'
+```
+will output:
+```
+- fred
+- sam
+```
+Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
+
+{!snippets/keys_with_dots.md!}
--- a/mkdocs/snippets/keys_with_dots.md
+++ b/mkdocs/snippets/keys_with_dots.md
@@ -0,0 +1,19 @@
+### Keys with dots
+When specifying a key that has a dot use key lookup indicator.
+
+```yaml
+b:
+  foo.bar: 7
+```
+
+```bash
+yaml r sample.yaml 'b[foo.bar]'
+```
+
+```bash
+yaml w sample.yaml 'b[foo.bar]' 9
+```
+
+Any valid yaml key can be specified as part of a key lookup.
+
+Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
--- a/mkdocs/snippets/works_with_json.md
+++ b/mkdocs/snippets/works_with_json.md
@@ -0,0 +1 @@
+This command can take a json file as input too, and will output yaml unless specified to export as json (-j)
--- a/mkdocs/write.md
+++ b/mkdocs/write.md
@@ -0,0 +1,129 @@
+```
+yq w <yaml_file|json_file> <path> <new value>
+```
+{!snippets/works_with_json.md!}
+
+### To Stdout
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+```
+then
+```bash
+yq w sample.yaml b.c cat
+```
+will output:
+```yaml
+b:
+  c: cat
+```
+
+### From STDIN
+```bash
+cat sample.yaml | yq w - b.c blah
+```
+
+### Adding new fields
+Any missing fields in the path will be created on the fly.
+
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+```
+then
+```bash
+yq w sample.yaml b.d[0] "new thing"
+```
+will output:
+```yaml
+b:
+  c: cat
+  d:
+    - new thing
+```
+
+### Appending value to an array field
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+  d:
+    - new thing
+    - foo thing
+```
+then
+```bash
+yq w sample.yaml "b.d[+]" "bar thing"
+```
+will output:
+```yaml
+b:
+  c: cat
+  d:
+    - new thing
+    - foo thing
+    - bar thing
+```
+
+Note that the path is in quotes to avoid the square brackets being interpreted by your shell.
+
+### Updating files in-place
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+```
+then
+```bash
+yq w -i sample.yaml b.c cat
+```
+will update the sample.yaml file so that the value of 'c' is cat.
+
+
+### Updating multiple values with a script
+Given a sample.yaml file of:
+```yaml
+b:
+  c: 2
+  e:
+    - name: Billy Bob
+```
+and a script update_instructions.yaml of:
+```yaml
+b.c: 3
+b.e[0].name: Howdy Partner
+```
+then
+
+```bash
+yq w -s update_instructions.yaml sample.yaml
+```
+will output:
+```yaml
+b:
+  c: 3
+  e:
+    - name: Howdy Partner
+```
+
+And, of course, you can pipe the instructions in using '-':
+```bash
+cat update_instructions.yaml | yq w -s - sample.yaml
+```
+
+### Values starting with a hyphen (or dash)
+The flag terminator needs to be used to stop the app from attempting to parse the subsequent arguments as flags:
+
+```
+yq w -- my.path -3
+```
+
+will output
+```yaml
+my:
+  path: -3
+```
+
+{!snippets/keys_with_dots.md!}
--- a/path_parser.go
+++ b/path_parser.go
@@ -16,13 +16,13 @@ func nextYamlPath(path string) (pathElement string, remaining string) {
 	switch path[0] {
 	case '[':
 		// e.g [0].blah.cat -> we need to return "0" and "blah.cat"
-		return search(path[1:len(path)], []uint8{']'}, true)
+		return search(path[1:], []uint8{']'}, true)
 	case '"':
 		// e.g "a.b".blah.cat -> we need to return "a.b" and "blah.cat"
-		return search(path[1:len(path)], []uint8{'"'}, true)
+		return search(path[1:], []uint8{'"'}, true)
 	default:
 		// e.g "a.blah.cat" -> return "a" and "blah.cat"
-		return search(path[0:len(path)], []uint8{'.', '['}, false)
+		return search(path[0:], []uint8{'.', '['}, false)
 	}
 }

@@ -39,7 +39,7 @@ func search(path string, matchingChars []uint8, skipNext bool) (pathElement stri
 			if remainingStart > len(path) {
 				remainingStart = len(path)
 			}
-			return path[0:i], path[remainingStart:len(path)]
+			return path[0:i], path[remainingStart:]
 		}
 	}
 	return path, ""
--- a/path_parser_test.go
+++ b/path_parser_test.go
@@ -10,11 +10,12 @@ var parsePathsTests = []struct {
 }{
 	{"a.b", []string{"a", "b"}},
 	{"a.b[0]", []string{"a", "b", "0"}},
+	{"a.b.d[+]", []string{"a", "b", "d", "+"}},
 }

-func testParsePath(t *testing.T) {
+func TestParsePath(t *testing.T) {
 	for _, tt := range parsePathsTests {
-		assertResultWithContext(t, tt.expectedPaths, parsePath(tt.path), tt)
+		assertResultComplex(t, tt.expectedPaths, parsePath(tt.path))
 	}
 }

--- a/precheckin.sh
+++ b/precheckin.sh
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-gofmt -w .
-golint
-go test
-
-# acceptance test
-go build
-X=$(./yaml sample.yaml b.c)
-
-if [ $X != 2 ]
-  then
-	echo "Failed acceptance test: expected 2 but was $X"
-  exit 1
-fi
-
-go install
--- a/sample2.yaml
+++ b/sample2.yaml
@@ -1,4 +0,0 @@
-a: Easy! as one two three
-b:
-  c: 3
-  d: [3, 4]
--- a/scripts/acceptance.sh
+++ b/scripts/acceptance.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -e
+
+# acceptance test
+X=$(./yq w ./examples/sample.yaml b.c 3 | ./yq r - b.c)
+
+if [[ $X != 3 ]]; then
+  echo "Failed acceptance test: expected 2 but was $X"
+  exit 1
+fi
+echo "acceptance tests passed"
--- a/scripts/check.sh
+++ b/scripts/check.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+
+gometalinter \
+  --skip=examples \
+  --tests \
+  --vendor \
+  --disable=aligncheck \
+  --disable=gotype \
+  --disable=goconst \
+  --cyclo-over=20 \
+  --deadline=300s \
+  ./...
+
+gometalinter \
+  --skip=examples \
+  --tests \
+  --vendor \
+  --disable=aligncheck \
+  --disable=gotype \
+  --disable=goconst \
+  --disable=gocyclo \
+  --deadline=300s \
+  ./...
--- a/scripts/coverage.sh
+++ b/scripts/coverage.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -e
+
+go test -coverprofile=coverage.out
+go tool cover -html=coverage.out -o cover/coverage.html
--- a/scripts/devtools.sh
+++ b/scripts/devtools.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+go get -u github.com/alecthomas/gometalinter
+go get -u golang.org/x/tools/cmd/goimports
+go get -u github.com/mitchellh/gox
+go get -u github.com/kardianos/govendor
+go get -u github.com/aktau/github-release
+
+# install all the linters
+gometalinter --install --update
--- a/scripts/doctools.sh
+++ b/scripts/doctools.sh
@@ -0,0 +1,6 @@
+#!/bin.bash
+
+brew install mkdocs libyaml
+pip3 install markdown-include
+pip3 install mkdocs-material
+
--- a/scripts/format.sh
+++ b/scripts/format.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+find . \( -path ./vendor \) -prune -o -name "*.go" -exec goimports -w {} \;
--- a/scripts/publish.sh
+++ b/scripts/publish.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+GITHUB_TOKEN="${GITHUB_TOKEN:?missing required input \'GITHUB_TOKEN\'}"
+
+CURRENT="$(git describe --tags --abbrev=0)"
+PREVIOUS="$(git describe --tags --abbrev=0 --always "${CURRENT}"^)"
+OWNER="mikefarah"
+REPO="yq"
+
+release() {
+    mapfile -t logs < <(git log --pretty=oneline --abbrev-commit "${PREVIOUS}".."${CURRENT}")
+    description="$(printf '%s\n' "${logs[@]}")"
+    github-release release \
+        --user "$OWNER" \
+        --repo "$REPO" \
+        --tag "$CURRENT" \
+        --description "$description" ||
+            github-release edit \
+                --user "$OWNER" \
+                --repo "$REPO" \
+                --tag "$CURRENT" \
+                --description "$description"
+}
+
+upload() {
+    mapfile -t files < <(find ./build -mindepth 1 -maxdepth 1)
+    for file in "${files[@]}"; do
+        BINARY=$(basename "${file}")
+        echo "--> ${BINARY}"
+        github-release upload \
+            --user "$OWNER" \
+            --repo "$REPO" \
+            --tag "$CURRENT" \
+            --name "${BINARY}" \
+            --file "$file"
+    done
+}
+
+release
+upload
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+set -eu
+
+find_mgr() {
+    if hash minishift 2>/dev/null; then
+        echo "minishift"
+    else
+        if hash docker-machine 2>/dev/null; then
+            echo "docker-machine"
+        fi
+    fi
+}
+
+get_vm_name() {
+    case "$1" in
+        minishift)
+            echo "minishift"
+            ;;
+        docker-machine)
+            echo "${DOCKER_MACHINE_NAME}"
+            ;;
+        *)
+            ;;
+    esac
+}
+
+is_vm_running() {
+    local vm=$1
+    declare -a running=($(VBoxManage list runningvms | awk '{ print $1 }'))
+    local result='false'
+
+    for rvm in "${running[@]}"; do
+        if [[ "${rvm}" == *"${vm}"* ]]; then
+            result='true'
+        fi
+    done
+    echo "$result"
+}
+
+if hash cygpath 2>/dev/null; then
+    PROJECT_DIR=$(cygpath -w -a "$(pwd)")
+else
+    PROJECT_DIR=$(pwd)
+fi
+
+VM_MGR=$(find_mgr)
+if [[ -z $VM_MGR ]]; then
+    echo "ERROR: No VM Manager found; expected one of ['minishift', 'docker-machine']"
+    exit 1
+fi
+
+VM_NAME=$(get_vm_name "$VM_MGR")
+if [[ -z $VM_NAME ]]; then
+    echo "ERROR: No VM found; try running 'eval $(docker-machine env)'"
+    exit 1
+fi
+
+if ! hash VBoxManage 2>/dev/null; then
+    echo "VirtualBox executable 'VBoxManage' not found in path"
+    exit 1
+fi
+
+avail=$(is_vm_running "$VM_NAME")
+if [[ "$avail" == *"true"* ]]; then
+    res=$(VBoxManage sharedfolder add "${VM_NAME}" --name "${PROJECT}" --hostpath "${PROJECT_DIR}" --transient 2>&1)
+    if [[ -z $res || $res == *"already exists"* ]]; then
+        # no need to show that it already exists
+        :
+    else
+        echo "$res"
+        exit 1
+    fi
+    echo "VM: [${VM_NAME}] -- Added Sharedfolder [${PROJECT}] @Path [${PROJECT_DIR}]"
+else
+    echo "$VM_NAME is not currently running; please start your VM and try again."
+    exit 1
+fi
+
+SSH_CMD="sudo mkdir -p /${PROJECT} ; sudo mount -t vboxsf ${PROJECT} /${PROJECT}"
+case "${VM_MGR}" in
+    minishift)
+        minishift ssh "${SSH_CMD}"
+        echo "VM: [${VM_NAME}] -- Mounted Sharedfolder [${PROJECT}] @VM Path [/${PROJECT}]"
+        ;;
+    docker-machine)
+        docker-machine ssh "${VM_NAME}" "${SSH_CMD}"
+        echo "VM: [${VM_NAME}] -- Mounted Sharedfolder [${PROJECT}] @VM Path [/${PROJECT}]"
+        ;;
+    *)
+        ;;
+esac
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+go test -v $(go list ./... | grep -v -E 'vendor|examples')
--- a/scripts/xcompile.sh
+++ b/scripts/xcompile.sh
@@ -3,5 +3,5 @@
 # This assumes that gonative and gox is installed as per the 'one time setup' instructions
 # at https://github.com/inconshreveable/gonative

-gox -output="build/{{.Dir}}_{{.OS}}_{{.Arch}}"
+gox -ldflags "${LDFLAGS}" -output="build/{{.Dir}}_{{.OS}}_{{.Arch}}"

--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -0,0 +1,22 @@
+name: yq
+version: 1.14.1
+summary: A lightweight and portable command-line YAML processor
+description: |
+  The aim of the project is to be the jq or sed of yaml files.
+
+grade: stable # devel|stable. must be 'stable' to release into candidate/stable channels
+confinement: strict
+
+apps:
+  yq:
+    command: yq
+    plugs: [home]
+
+parts:
+  yq:
+    plugin: go
+    source: .
+    go-importpath: github.com/mikefarah/yq
+    after: [go]
+  go:
+    source-tag: go1.9.4
--- a/utils_test.go
+++ b/utils_test.go
@@ -0,0 +1,82 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"reflect"
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+	yaml "gopkg.in/yaml.v2"
+)
+
+type resulter struct {
+	Error   error
+	Output  string
+	Command *cobra.Command
+}
+
+func runCmd(c *cobra.Command, input string) resulter {
+	buf := new(bytes.Buffer)
+	c.SetOutput(buf)
+	c.SetArgs(strings.Split(input, " "))
+
+	err := c.Execute()
+	output := buf.String()
+
+	return resulter{err, output, c}
+}
+
+func parseData(rawData string) yaml.MapSlice {
+	var parsedData yaml.MapSlice
+	err := yaml.Unmarshal([]byte(rawData), &parsedData)
+	if err != nil {
+		fmt.Printf("Error parsing yaml: %v\n", err)
+		os.Exit(1)
+	}
+	return parsedData
+}
+
+func assertResult(t *testing.T, expectedValue interface{}, actualValue interface{}) {
+	t.Helper()
+	if expectedValue != actualValue {
+		t.Error("Expected <", expectedValue, "> but got <", actualValue, ">", fmt.Sprintf("%T", actualValue))
+	}
+}
+
+func assertResultComplex(t *testing.T, expectedValue interface{}, actualValue interface{}) {
+	t.Helper()
+	if !reflect.DeepEqual(expectedValue, actualValue) {
+		t.Error("Expected <", expectedValue, "> but got <", actualValue, ">", fmt.Sprintf("%T", actualValue))
+	}
+}
+
+func assertResultWithContext(t *testing.T, expectedValue interface{}, actualValue interface{}, context interface{}) {
+	t.Helper()
+	if expectedValue != actualValue {
+		t.Error(context)
+		t.Error(": expected <", expectedValue, "> but got <", actualValue, ">")
+	}
+}
+
+func writeTempYamlFile(content string) string {
+	tmpfile, _ := ioutil.TempFile("", "testyaml")
+	defer func() {
+		_ = tmpfile.Close()
+	}()
+
+	_, _ = tmpfile.Write([]byte(content))
+	return tmpfile.Name()
+}
+
+func readTempYamlFile(name string) string {
+	content, _ := ioutil.ReadFile(name)
+	return string(content)
+}
+
+func removeTempYamlFile(name string) {
+	_ = os.Remove(name)
+}
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -0,0 +1,43 @@
+{
+	"comment": "",
+	"ignore": "test",
+	"package": [
+		{
+			"checksumSHA1": "66lykxpWgSmQodnhkADqn6tnroQ=",
+			"path": "github.com/imdario/mergo",
+			"revision": "e3000cb3d28c72b837601cac94debd91032d19fe",
+			"revisionTime": "2017-06-20T10:47:01Z"
+		},
+		{
+			"checksumSHA1": "40vJyUB4ezQSn/NSadsKEOrudMc=",
+			"path": "github.com/inconshreveable/mousetrap",
+			"revision": "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75",
+			"revisionTime": "2014-10-17T20:07:13Z"
+		},
+		{
+			"checksumSHA1": "BoXdUBWB8UnSlFlbnuTQaPqfCGk=",
+			"path": "github.com/op/go-logging",
+			"revision": "970db520ece77730c7e4724c61121037378659d9",
+			"revisionTime": "2016-03-15T20:05:05Z"
+		},
+		{
+			"checksumSHA1": "xPKgXygsORkmXnLdtFaFmipYKaA=",
+			"path": "github.com/spf13/cobra",
+			"revision": "b78744579491c1ceeaaa3b40205e56b0591b93a3",
+			"revisionTime": "2017-09-05T17:20:51Z"
+		},
+		{
+			"checksumSHA1": "Q52Y7t0lEtk/wcDn5q7tS7B+jqs=",
+			"path": "github.com/spf13/pflag",
+			"revision": "7aff26db30c1be810f9de5038ec5ef96ac41fd7c",
+			"revisionTime": "2017-08-24T17:57:12Z"
+		},
+		{
+			"checksumSHA1": "RDJpJQwkF012L6m/2BJizyOksNw=",
+			"path": "gopkg.in/yaml.v2",
+			"revision": "eb3733d160e74a9c7e442f435eb3bea458e1d19f",
+			"revisionTime": "2017-08-12T16:00:11Z"
+		}
+	],
+	"rootPath": "github.com/mikefarah/yq"
+}
--- a/version.go
+++ b/version.go
@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+// The git commit that was compiled. This will be filled in by the compiler.
+var (
+	GitCommit   string
+	GitDescribe string
+
+	// Version is main version number that is being run at the moment.
+	Version = "1.15.0"
+
+	// VersionPrerelease is a pre-release marker for the version. If this is "" (empty string)
+	// then it means that it is a final release. Otherwise, this is a pre-release
+	// such as "dev" (in development), "beta", "rc1", etc.
+	VersionPrerelease = ""
+)
+
+// ProductName is the name of the product
+const ProductName = "yq"
+
+// GetVersionDisplay composes the parts of the version in a way that's suitable
+// for displaying to humans.
+func GetVersionDisplay() string {
+	return fmt.Sprintf("%s version %s\n", ProductName, getHumanVersion())
+}
+
+func getHumanVersion() string {
+	version := Version
+	if GitDescribe != "" {
+		version = GitDescribe
+	}
+
+	release := VersionPrerelease
+	if release != "" {
+		if !strings.Contains(version, release) {
+			version += fmt.Sprintf("-%s", release)
+		}
+		if GitCommit != "" {
+			version += fmt.Sprintf(" (%s)", GitCommit)
+		}
+	}
+
+	// Strip off any single quotes added by the git information.
+	return strings.Replace(version, "'", "", -1)
+}
--- a/version_test.go
+++ b/version_test.go
@@ -0,0 +1,46 @@
+package main
+
+import "testing"
+
+func TestGetVersionDisplay(t *testing.T) {
+	tests := []struct {
+		name string
+		want string
+	}{
+		{
+			name: "Display Version",
+			want: ProductName + " version " + Version + "\n",
+		},
+	}
+	for _, tt := range tests {
+		if got := GetVersionDisplay(); got != tt.want {
+			t.Errorf("%q. GetVersionDisplay() = %v, want %v", tt.name, got, tt.want)
+		}
+	}
+}
+
+func Test_getHumanVersion(t *testing.T) {
+	GitDescribe = "e42813d"
+	GitCommit = "e42813d+CHANGES"
+	var wanted string
+	if VersionPrerelease == "" {
+		wanted = GitDescribe
+	} else {
+		wanted = "e42813d-" + VersionPrerelease + " (e42813d+CHANGES)"
+	}
+
+	tests := []struct {
+		name string
+		want string
+	}{
+		{
+			name: "Git Variables defined",
+			want: wanted,
+		},
+	}
+	for _, tt := range tests {
+		if got := getHumanVersion(); got != tt.want {
+			t.Errorf("%q. getHumanVersion() = %v, want %v", tt.name, got, tt.want)
+		}
+	}
+}
--- a/yaml.go
+++ b/yaml.go
@@ -1,113 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"github.com/codegangsta/cli"
-	"gopkg.in/yaml.v2"
-	"io/ioutil"
-	"log"
-	"os"
-	"strconv"
-	"strings"
-)
-
-func main() {
-	app := cli.NewApp()
-	app.Name = "yaml"
-	app.Usage = "command line tool for reading and writing yaml"
-	app.Commands = []cli.Command{
-		{
-			Name:    "read",
-			Aliases: []string{"r"},
-			Usage:   "read <filename> <path>\n\te.g.: yaml read sample.json a.b.c\n\t(default) reads a property from a given yaml file\n",
-			Action:  readProperty,
-		},
-		{
-			Name:    "write",
-			Aliases: []string{"w"},
-			Usage:   "write <filename> <path> <value>\n\te.g.: yaml write sample.json a.b.c 5\n\tupdates a property from a given yaml file, outputs to stdout\n",
-			Action:  writeProperty,
-		},
-	}
-	app.Action = readProperty
-	app.Run(os.Args)
-}
-
-func readProperty(c *cli.Context) {
-
-	var parsedData map[interface{}]interface{}
-
-	readYaml(c, &parsedData)
-
-	if len(c.Args()) == 1 {
-		printYaml(parsedData)
-		os.Exit(0)
-	}
-
-	var paths = parsePath(c.Args()[1])
-
-	printYaml(readMap(parsedData, paths[0], paths[1:len(paths)]))
-}
-
-func writeProperty(c *cli.Context) {
-	var parsedData map[interface{}]interface{}
-	readYaml(c, &parsedData)
-
-	if len(c.Args()) < 3 {
-		log.Fatalf("Must provide <filename> <path_to_update> <value>")
-	}
-
-	var paths = parsePath(c.Args()[1])
-
-	write(parsedData, paths[0], paths[1:len(paths)], getValue(c.Args()[2]))
-
-	printYaml(parsedData)
-}
-
-func getValue(argument string) interface{} {
-	var value, err interface{}
-	var inQuotes = argument[0] == '"'
-	if !inQuotes {
-		value, err = strconv.ParseFloat(argument, 64)
-		if err == nil {
-			return value
-		}
-		value, err = strconv.ParseBool(argument)
-		if err == nil {
-			return value
-		}
-		return argument
-	}
-	return argument[1 : len(argument)-1]
-}
-
-func printYaml(context interface{}) {
-	out, err := yaml.Marshal(context)
-	if err != nil {
-		log.Fatalf("error printing yaml: %v", err)
-	}
-	outStr := string(out)
-	// trim the trailing new line as it's easier for a script to add
-	// it in if required than to remove it
-	fmt.Println(strings.Trim(outStr, "\n "))
-}
-
-func readYaml(c *cli.Context, parsedData *map[interface{}]interface{}) {
-	if len(c.Args()) == 0 {
-		log.Fatalf("Must provide filename")
-	}
-	var rawData = readFile(c.Args()[0])
-
-	err := yaml.Unmarshal([]byte(rawData), &parsedData)
-	if err != nil {
-		log.Fatalf("error: %v", err)
-	}
-}
-
-func readFile(filename string) []byte {
-	var rawData, readError = ioutil.ReadFile(filename)
-	if readError != nil {
-		log.Fatalf("error: %v", readError)
-	}
-	return rawData
-}
--- a/yaml_test.go
+++ b/yaml_test.go
@@ -1,22 +0,0 @@
-package main
-
-import (
-	"testing"
-)
-
-var getValueTests = []struct {
-	argument        string
-	expectedResult  interface{}
-	testDescription string
-}{
-	{"true", true, "boolean"},
-	{"\"true\"", "true", "boolean as string"},
-	{"3.4", 3.4, "number"},
-	{"\"3.4\"", "3.4", "number as string"},
-}
-
-func TestGetValue(t *testing.T) {
-	for _, tt := range getValueTests {
-		assertResultWithContext(t, tt.expectedResult, getValue(tt.argument), tt.testDescription)
-	}
-}
--- a/yq.go
+++ b/yq.go
@@ -0,0 +1,520 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strconv"
+	"strings"
+
+	logging "github.com/op/go-logging"
+	"github.com/spf13/cobra"
+	yaml "gopkg.in/yaml.v2"
+)
+
+var trimOutput = true
+var writeInplace = false
+var writeScript = ""
+var outputToJSON = false
+var overwriteFlag = false
+var verbose = false
+var version = false
+var log = logging.MustGetLogger("yq")
+
+func main() {
+	cmd := newCommandCLI()
+	if err := cmd.Execute(); err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+}
+
+func newCommandCLI() *cobra.Command {
+	var rootCmd = &cobra.Command{
+		Use: "yq",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			if version {
+				cmd.Print(GetVersionDisplay())
+				return nil
+			}
+			cmd.Println(cmd.UsageString())
+
+			return nil
+		},
+		PersistentPreRun: func(cmd *cobra.Command, args []string) {
+			var format = logging.MustStringFormatter(
+				`%{color}%{time:15:04:05} %{shortfunc} [%{level:.4s}]%{color:reset} %{message}`,
+			)
+			var backend = logging.AddModuleLevel(
+				logging.NewBackendFormatter(logging.NewLogBackend(os.Stderr, "", 0), format))
+
+			if verbose {
+				backend.SetLevel(logging.DEBUG, "")
+			} else {
+				backend.SetLevel(logging.ERROR, "")
+			}
+
+			logging.SetBackend(backend)
+		},
+	}
+
+	rootCmd.PersistentFlags().BoolVarP(&trimOutput, "trim", "t", true, "trim yaml output")
+	rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "output as json")
+	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "verbose mode")
+	rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
+
+	rootCmd.AddCommand(
+		createReadCmd(),
+		createWriteCmd(),
+		createDeleteCmd(),
+		createNewCmd(),
+		createMergeCmd(),
+	)
+	rootCmd.SetOutput(os.Stdout)
+
+	return rootCmd
+}
+
+func createReadCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:     "read [yaml_file] [path]",
+		Aliases: []string{"r"},
+		Short:   "yq r sample.yaml a.b.c",
+		Example: `
+yq read things.yaml a.b.c
+yq r - a.b.c (reads from stdin)
+yq r things.yaml a.*.c
+yq r things.yaml a.array[0].blah
+yq r things.yaml a.array[*].blah
+      `,
+		Long: "Outputs the value of the given path in the yaml file to STDOUT",
+		RunE: readProperty,
+	}
+}
+
+func createWriteCmd() *cobra.Command {
+	var cmdWrite = &cobra.Command{
+		Use:     "write [yaml_file] [path] [value]",
+		Aliases: []string{"w"},
+		Short:   "yq w [--inplace/-i] [--script/-s script_file] sample.yaml a.b.c newValueForC",
+		Example: `
+yq write things.yaml a.b.c cat
+yq write --inplace things.yaml a.b.c cat
+yq w -i things.yaml a.b.c cat
+yq w --script update_script.yaml things.yaml
+yq w -i -s update_script.yaml things.yaml
+yq w things.yaml a.b.d[+] foo
+yq w things.yaml a.b.d[+] foo
+      `,
+		Long: `Updates the yaml file w.r.t the given path and value.
+Outputs to STDOUT unless the inplace flag is used, in which case the file is updated instead.
+
+Append value to array adds the value to the end of array.
+
+Update Scripts:
+Note that you can give an update script to perform more sophisticated updated. Update script
+format is a yaml map where the key is the path and the value is..well the value. e.g.:
+---
+a.b.c: true,
+a.b.e:
+  - name: bob
+`,
+		RunE: writeProperty,
+	}
+	cmdWrite.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
+	cmdWrite.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for updating yaml")
+	return cmdWrite
+}
+
+func createDeleteCmd() *cobra.Command {
+	var cmdDelete = &cobra.Command{
+		Use:     "delete [yaml_file] [path]",
+		Aliases: []string{"d"},
+		Short:   "yq d [--inplace/-i] sample.yaml a.b.c",
+		Example: `
+yq delete things.yaml a.b.c
+yq delete --inplace things.yaml a.b.c
+yq d -i things.yaml a.b.c
+yq d things.yaml a.b.c
+	`,
+		Long: `Deletes the given path from the YAML file.
+Outputs to STDOUT unless the inplace flag is used, in which case the file is updated instead.
+`,
+		RunE: deleteProperty,
+	}
+	cmdDelete.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
+	return cmdDelete
+}
+
+func createNewCmd() *cobra.Command {
+	var cmdNew = &cobra.Command{
+		Use:     "new [path] [value]",
+		Aliases: []string{"n"},
+		Short:   "yq n [--script/-s script_file] a.b.c newValueForC",
+		Example: `
+yq new a.b.c cat
+yq n a.b.c cat
+yq n --script create_script.yaml
+      `,
+		Long: `Creates a new yaml w.r.t the given path and value.
+Outputs to STDOUT
+
+Create Scripts:
+Note that you can give a create script to perform more sophisticated yaml. This follows the same format as the update script.
+`,
+		RunE: newProperty,
+	}
+	cmdNew.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for updating yaml")
+	return cmdNew
+}
+
+func createMergeCmd() *cobra.Command {
+	var cmdMerge = &cobra.Command{
+		Use:     "merge [initial_yaml_file] [additional_yaml_file]...",
+		Aliases: []string{"m"},
+		Short:   "yq m [--inplace/-i] [--overwrite/-x] sample.yaml sample2.yaml",
+		Example: `
+yq merge things.yaml other.yaml
+yq merge --inplace things.yaml other.yaml
+yq m -i things.yaml other.yaml
+yq m --overwrite things.yaml other.yaml
+yq m -i -x things.yaml other.yaml
+      `,
+		Long: `Updates the yaml file by adding/updating the path(s) and value(s) from additional yaml file(s).
+Outputs to STDOUT unless the inplace flag is used, in which case the file is updated instead.
+
+If overwrite flag is set then existing values will be overwritten using the values from each additional yaml file.
+`,
+		RunE: mergeProperties,
+	}
+	cmdMerge.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
+	cmdMerge.PersistentFlags().BoolVarP(&overwriteFlag, "overwrite", "x", false, "update the yaml file by overwriting existing values")
+	return cmdMerge
+}
+
+func readProperty(cmd *cobra.Command, args []string) error {
+	data, err := read(args)
+	if err != nil {
+		return err
+	}
+	dataStr, err := toString(data)
+	if err != nil {
+		return err
+	}
+	cmd.Println(dataStr)
+	return nil
+}
+
+func read(args []string) (interface{}, error) {
+	var parsedData yaml.MapSlice
+	var path = ""
+
+	if len(args) < 1 {
+		return nil, errors.New("Must provide filename")
+	} else if len(args) > 1 {
+		path = args[1]
+	}
+
+	if err := readData(args[0], &parsedData); err != nil {
+		var generalData interface{}
+		if err = readData(args[0], &generalData); err != nil {
+			return nil, err
+		}
+		item := yaml.MapItem{Key: "thing", Value: generalData}
+		parsedData = yaml.MapSlice{item}
+		path = "thing." + path
+	}
+
+	if parsedData != nil && parsedData[0].Key == nil {
+		var interfaceData []map[interface{}]interface{}
+		if err := readData(args[0], &interfaceData); err == nil {
+			var listMap []yaml.MapSlice
+			for _, item := range interfaceData {
+				listMap = append(listMap, mapToMapSlice(item))
+			}
+			return readYamlArray(listMap, path)
+		}
+	}
+
+	if path == "" {
+		return parsedData, nil
+	}
+
+	var paths = parsePath(path)
+
+	return readMap(parsedData, paths[0], paths[1:])
+}
+
+func readYamlArray(listMap []yaml.MapSlice, path string) (interface{}, error) {
+	if path == "" {
+		return listMap, nil
+	}
+
+	var paths = parsePath(path)
+
+	if paths[0] == "*" {
+		if len(paths[1:]) == 0 {
+			return listMap, nil
+		}
+		var results []interface{}
+		for _, m := range listMap {
+			value, err := readMap(m, paths[1], paths[2:])
+			if err != nil {
+				return nil, err
+			}
+			results = append(results, value)
+		}
+		return results, nil
+	}
+
+	index, err := strconv.ParseInt(paths[0], 10, 64)
+	if err != nil {
+		return nil, fmt.Errorf("Error accessing array: %v", err)
+	}
+	if len(paths[1:]) == 0 {
+		return listMap[index], nil
+	}
+	return readMap(listMap[index], paths[1], paths[2:])
+}
+
+func newProperty(cmd *cobra.Command, args []string) error {
+	updatedData, err := newYaml(args)
+	if err != nil {
+		return err
+	}
+	dataStr, err := toString(updatedData)
+	if err != nil {
+		return err
+	}
+	cmd.Println(dataStr)
+	return nil
+}
+
+func newYaml(args []string) (interface{}, error) {
+	var writeCommands yaml.MapSlice
+	if writeScript != "" {
+		if err := readData(writeScript, &writeCommands); err != nil {
+			return nil, err
+		}
+	} else if len(args) < 2 {
+		return nil, errors.New("Must provide <path_to_update> <value>")
+	} else {
+		writeCommands = make(yaml.MapSlice, 1)
+		writeCommands[0] = yaml.MapItem{Key: args[0], Value: parseValue(args[1])}
+	}
+
+	var parsedData yaml.MapSlice
+	var prependCommand = ""
+	var isArray = strings.HasPrefix(writeCommands[0].Key.(string), "[")
+	if isArray {
+		item := yaml.MapItem{Key: "thing", Value: make(yaml.MapSlice, 0)}
+		parsedData = yaml.MapSlice{item}
+		prependCommand = "thing"
+	} else {
+		parsedData = make(yaml.MapSlice, 0)
+	}
+
+	return updateParsedData(parsedData, writeCommands, prependCommand)
+}
+
+func writeProperty(cmd *cobra.Command, args []string) error {
+	updatedData, err := updateYaml(args)
+	if err != nil {
+		return err
+	}
+	return write(cmd, args[0], updatedData)
+}
+
+func write(cmd *cobra.Command, filename string, updatedData interface{}) error {
+	if writeInplace {
+		dataStr, err := yamlToString(updatedData)
+		if err != nil {
+			return err
+		}
+		return ioutil.WriteFile(filename, []byte(dataStr), 0644)
+	}
+	dataStr, err := toString(updatedData)
+	if err != nil {
+		return err
+	}
+	cmd.Println(dataStr)
+	return nil
+}
+
+func deleteProperty(cmd *cobra.Command, args []string) error {
+	updatedData, err := deleteYaml(args)
+	if err != nil {
+		return err
+	}
+	return write(cmd, args[0], updatedData)
+}
+
+func deleteYaml(args []string) (interface{}, error) {
+	var parsedData yaml.MapSlice
+	var deletePath string
+
+	if len(args) < 2 {
+		return nil, errors.New("Must provide <filename> <path_to_delete>")
+	}
+
+	deletePath = args[1]
+
+	if err := readData(args[0], &parsedData); err != nil {
+		var generalData interface{}
+		if err = readData(args[0], &generalData); err != nil {
+			return nil, err
+		}
+		item := yaml.MapItem{Key: "thing", Value: generalData}
+		parsedData = yaml.MapSlice{item}
+		deletePath = "thing." + deletePath
+	}
+
+	path := parsePath(deletePath)
+	return deleteMap(parsedData, path), nil
+}
+
+func mergeProperties(cmd *cobra.Command, args []string) error {
+	if len(args) < 2 {
+		return errors.New("Must provide at least 2 yaml files")
+	}
+
+	updatedData, err := mergeYaml(args)
+	if err != nil {
+		return err
+	}
+	return write(cmd, args[0], updatedData)
+}
+
+func mergeYaml(args []string) (interface{}, error) {
+	var updatedData map[interface{}]interface{}
+
+	for _, f := range args {
+		var parsedData map[interface{}]interface{}
+		if err := readData(f, &parsedData); err != nil {
+			return nil, err
+		}
+		if err := merge(&updatedData, parsedData, overwriteFlag); err != nil {
+			return nil, err
+		}
+	}
+
+	return mapToMapSlice(updatedData), nil
+}
+
+func updateParsedData(parsedData yaml.MapSlice, writeCommands yaml.MapSlice, prependCommand string) (interface{}, error) {
+	var prefix = ""
+	if prependCommand != "" {
+		prefix = prependCommand + "."
+	}
+	for _, entry := range writeCommands {
+		path := prefix + entry.Key.(string)
+		value := entry.Value
+		var paths = parsePath(path)
+		parsedData = writeMap(parsedData, paths, value)
+	}
+	if prependCommand != "" {
+		return readMap(parsedData, prependCommand, make([]string, 0))
+	}
+	return parsedData, nil
+}
+
+func updateYaml(args []string) (interface{}, error) {
+	var writeCommands yaml.MapSlice
+	var prependCommand = ""
+	if writeScript != "" {
+		if err := readData(writeScript, &writeCommands); err != nil {
+			return nil, err
+		}
+	} else if len(args) < 3 {
+		return nil, errors.New("Must provide <filename> <path_to_update> <value>")
+	} else {
+		writeCommands = make(yaml.MapSlice, 1)
+		writeCommands[0] = yaml.MapItem{Key: args[1], Value: parseValue(args[2])}
+	}
+
+	var parsedData yaml.MapSlice
+	if err := readData(args[0], &parsedData); err != nil {
+		var generalData interface{}
+		if err = readData(args[0], &generalData); err != nil {
+			return nil, err
+		}
+		item := yaml.MapItem{Key: "thing", Value: generalData}
+		parsedData = yaml.MapSlice{item}
+		prependCommand = "thing"
+	}
+
+	return updateParsedData(parsedData, writeCommands, prependCommand)
+}
+
+func parseValue(argument string) interface{} {
+	var value, err interface{}
+	var inQuotes = len(argument) > 0 && argument[0] == '"'
+	if !inQuotes {
+		value, err = strconv.ParseFloat(argument, 64)
+		if err == nil {
+			return value
+		}
+		value, err = strconv.ParseBool(argument)
+		if err == nil {
+			return value
+		}
+		if argument == "[]" {
+			return make([]interface{}, 0)
+		}
+		return argument
+	}
+	return argument[1 : len(argument)-1]
+}
+
+func toString(context interface{}) (string, error) {
+	if outputToJSON {
+		return jsonToString(context)
+	}
+	return yamlToString(context)
+}
+
+func yamlToString(context interface{}) (string, error) {
+	switch context.(type) {
+	case string:
+		return context.(string), nil
+	default:
+		return marshalContext(context)
+	}
+}
+
+func marshalContext(context interface{}) (string, error) {
+	out, err := yaml.Marshal(context)
+
+	if err != nil {
+		return "", fmt.Errorf("error printing yaml: %v", err)
+	}
+
+	outStr := string(out)
+	// trim the trailing new line as it's easier for a script to add
+	// it in if required than to remove it
+	if trimOutput {
+		return strings.Trim(outStr, "\n "), nil
+	}
+	return outStr, nil
+}
+
+func readData(filename string, parsedData interface{}) error {
+	if filename == "" {
+		return errors.New("Must provide filename")
+	}
+
+	var rawData []byte
+	var err error
+	if filename == "-" {
+		rawData, err = ioutil.ReadAll(os.Stdin)
+	} else {
+		rawData, err = ioutil.ReadFile(filename)
+	}
+
+	if err != nil {
+		return err
+	}
+
+	return yaml.Unmarshal(rawData, parsedData)
+}
--- a/yq_test.go
+++ b/yq_test.go
@@ -0,0 +1,132 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+)
+
+var parseValueTests = []struct {
+	argument        string
+	expectedResult  interface{}
+	testDescription string
+}{
+	{"true", true, "boolean"},
+	{"\"true\"", "true", "boolean as string"},
+	{"3.4", 3.4, "number"},
+	{"\"3.4\"", "3.4", "number as string"},
+	{"", "", "empty string"},
+}
+
+func TestParseValue(t *testing.T) {
+	for _, tt := range parseValueTests {
+		assertResultWithContext(t, tt.expectedResult, parseValue(tt.argument), tt.testDescription)
+	}
+}
+
+func TestRead(t *testing.T) {
+	result, _ := read([]string{"examples/sample.yaml", "b.c"})
+	assertResult(t, 2, result)
+}
+
+func TestReadArray(t *testing.T) {
+	result, _ := read([]string{"examples/sample_array.yaml", "[1]"})
+	assertResult(t, 2, result)
+}
+
+func TestReadString(t *testing.T) {
+	result, _ := read([]string{"examples/sample_text.yaml"})
+	assertResult(t, "hi", result)
+}
+
+func TestOrder(t *testing.T) {
+	result, _ := read([]string{"examples/order.yaml"})
+	formattedResult, _ := yamlToString(result)
+	assertResult(t,
+		`version: 3
+application: MyApp`,
+		formattedResult)
+}
+
+func TestMultilineString(t *testing.T) {
+	testString := `
+	abcd
+	efg`
+	formattedResult, _ := yamlToString(testString)
+	assertResult(t, testString, formattedResult)
+}
+
+func TestNewYaml(t *testing.T) {
+	result, _ := newYaml([]string{"b.c", "3"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[{b [{c 3}]}]",
+		formattedResult)
+}
+
+func TestNewYamlArray(t *testing.T) {
+	result, _ := newYaml([]string{"[0].cat", "meow"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[[{cat meow}]]",
+		formattedResult)
+}
+
+func TestUpdateYaml(t *testing.T) {
+	result, _ := updateYaml([]string{"examples/sample.yaml", "b.c", "3"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[{a Easy! as one two three} {b [{c 3} {d [3 4]} {e [[{name fred} {value 3}] [{name sam} {value 4}]]}]}]",
+		formattedResult)
+}
+
+func TestUpdateYamlArray(t *testing.T) {
+	result, _ := updateYaml([]string{"examples/sample_array.yaml", "[0]", "3"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[3 2 3]",
+		formattedResult)
+}
+
+func TestUpdateYaml_WithScript(t *testing.T) {
+	writeScript = "examples/instruction_sample.yaml"
+	_, _ = updateYaml([]string{"examples/sample.yaml"})
+}
+
+func TestUpdateYaml_WithUnknownScript(t *testing.T) {
+	writeScript = "fake-unknown"
+	_, err := updateYaml([]string{"examples/sample.yaml"})
+	if err == nil {
+		t.Error("Expected error due to unknown file")
+	}
+	expectedOutput := `open fake-unknown: no such file or directory`
+	assertResult(t, expectedOutput, err.Error())
+}
+
+func TestNewYaml_WithScript(t *testing.T) {
+	writeScript = "examples/instruction_sample.yaml"
+	expectedResult := `b:
+  c: cat
+  e:
+  - name: Mike Farah`
+	result, _ := newYaml([]string{""})
+	actualResult, _ := yamlToString(result)
+	assertResult(t, expectedResult, actualResult)
+}
+
+func TestNewYaml_WithUnknownScript(t *testing.T) {
+	writeScript = "fake-unknown"
+	_, err := newYaml([]string{""})
+	if err == nil {
+		t.Error("Expected error due to unknown file")
+	}
+	expectedOutput := `open fake-unknown: no such file or directory`
+	assertResult(t, expectedOutput, err.Error())
+}
+
+func TestDeleteYaml(t *testing.T) {
+	result, _ := deleteYaml([]string{"examples/sample.yaml", "b.c"})
+	formattedResult := fmt.Sprintf("%v", result)
+	assertResult(t,
+		"[{a Easy! as one two three} {b [{d [3 4]} {e [[{name fred} {value 3}] [{name sam} {value 4}]]}]}]",
+		formattedResult)
+}
Author	SHA1	Message	Date
Mike Farah	a4f124f24f	Updated repo name	2018-05-07 16:40:23 +10:00
Mike Farah	090b377fa5	Incrementing version to reflect new delete feature!	2018-05-07 16:38:26 +10:00
Mike Farah	3a4d62d820	Adding delete command documentation	2018-05-07 16:34:29 +10:00
Mike Farah	6053c8c136	Use dev scripts for making docker image	2018-05-07 16:31:26 +10:00
Mike Farah	c5a45ba7d5	Removed dud instructions	2018-05-07 16:26:38 +10:00
Matthew Huxtable	56a0771cd1	Mark test helpers as such	2018-05-07 15:52:29 +10:00
Matthew Huxtable	8072e66d46	Add delete command The delete (short option "d") will delete the YAML subtree at the provided path in the specified file (or STDIN), if it the node exists. More complex support is currently omitted, for example: - specify nodes to delete using an external script - deleting common elements from all elements of an array	2018-05-07 15:52:29 +10:00
Tim Hobbs	26153b3eb5	Rename to yq	2018-04-09 15:58:12 +10:00
Tim Hobbs	f2e10f21c7	Rename to yq	2018-04-09 15:58:12 +10:00
spawnia	d3ecf7aa88	Add Dockerfile for building the official CLI container	2018-04-03 09:25:00 +10:00
Mike Farah	ee8ffd458a	Multiline value fix - multi line strings no longer printed as a yaml block Although printing the string as a yaml block can be argued to be technically correct, in practical terms it's more useful to just print out the multiline string as is.	2018-03-27 16:22:24 +11:00
Mike Farah	8f15dba812	Updated docs to explicity put array paths in quotes	2018-02-28 08:07:34 +11:00
Mike Farah	92ce195424	Fixed version test	2018-02-19 14:50:46 +11:00
Mike Farah	e725a2cec5	Fixed docs	2018-02-19 14:21:38 +11:00
Mike Farah	37de7a3505	Don't default to dev version	2018-02-19 14:07:21 +11:00
Mike Farah	e96794a420	Remove version pre release this is appearing in the snap release :(	2018-02-19 13:27:22 +11:00
Mike Farah	120ef8e4dc	drop dev from version	2018-02-19 09:45:10 +11:00
David Bliss	db1954da25	Hard-code version and change grade to 'stable'	2018-02-19 08:23:30 +11:00
David Bliss	e552dbb6ab	Add install instructions to documentation	2018-02-19 08:23:30 +11:00
David Bliss	298126864f	Remove comment	2018-02-19 08:23:30 +11:00
David Bliss	d30cd8cc75	Add snap target to Makefile	2018-02-19 08:23:30 +11:00
David Bliss	e6ee86930b	Support building snap packages	2018-02-19 08:23:30 +11:00
Mike Farah	0ea3c71df7	No longer using circle ci	2017-12-27 14:22:17 +11:00
Mike Farah	ef99bedf45	Added circle ci dashtic config	2017-12-27 14:16:57 +11:00
Mike Farah	6e1a5aef2c	Add dev tools to circle ci	2017-12-27 14:10:47 +11:00
Mike Farah	70bd860287	Added circle ci config	2017-12-27 14:08:28 +11:00
Mike Farah	0abda0098c	Now on brew!	2017-12-25 06:30:49 +11:00
Mike Farah	a409a7e82b	Missed one replace in docs	2017-12-19 12:01:23 +11:00
Mike Farah	0e4f9e8579	Update docs	2017-12-19 11:59:27 +11:00
Mike Farah	0c932ba7dc	Updated travis ci image	2017-12-19 11:39:54 +11:00
Mike Farah	cb48ba7173	Rename to yq	2017-12-18 15:29:41 +11:00
Mike Farah	dc4f8a6adb	Fixed vendor scripts	2017-12-18 15:29:41 +11:00
Mike Farah	1f6d7a50b2	Clearer README	2017-12-18 15:29:41 +11:00
Kenny Jones	6fc3bdf58f	Merge pull request #103 from mikefarah/task/upgrade-to-golang1.9 Task: Upgrade to Golang 1.9	2017-09-27 07:07:16 -04:00
kenjones	87b33e8603	Task: Upgrade to Golang 1.9	2017-09-27 07:05:18 -04:00
kenjones	cc7eb84388	Task: Add docs on keys with dots Adds documentation on how to use a key lookup indicator for dealing with keys that have dots when specifying a path as part of create, read, and write commands. Resolves: #22	2017-09-25 22:36:49 -04:00
kenjones	9e3f8ebd0a	Task: Prepare for development	2017-09-25 09:41:27 -04:00
kenjones	28bcbd321f	Release v1.13.1	2017-09-25 09:35:23 -04:00
Kenny Jones	9dd4503b23	Merge pull request #42 from mikefarah/bugfix/append-empty-array Bugfix: Append when array empty results in null value	2017-09-25 09:34:00 -04:00
kenjones	185d1faadb	Bugfix: Append when array empty results in null value Initialize new array as empty instead of having a single value. Resolves: #41	2017-09-25 09:31:06 -04:00
kenjones	7b004cb456	Task: Prepare for development	2017-09-24 21:28:28 -04:00
kenjones	54c73eb34f	Release v1.13.0	2017-09-24 21:20:02 -04:00
Kenny Jones	3b03a0852a	Merge pull request #40 from kenjones-cisco/task/releasing Task: Add release process	2017-09-24 21:13:06 -04:00
kenjones	a00e6c5316	Task: Add release process	2017-09-24 21:10:57 -04:00
Kenny Jones	9d1a5b17b8	Merge pull request #39 from kenjones-cisco/feature/append-array Feature: Add append to array	2017-09-23 20:24:09 -04:00
kenjones	c5f80a105d	Feature: Add append to array Adds the ability to append a value to an array instead of having to know the index of the values within the array. Resolves: #17	2017-09-23 20:21:16 -04:00
Kenny Jones	c17f8df8f8	Merge pull request #38 from kenjones-cisco/task/add-merge-docs Task: Add `merge` command docs	2017-09-23 15:36:31 -04:00
kenjones	66c8390d54	Task: Add `merge` command docs Resolves: #35	2017-09-23 15:33:23 -04:00
Kenny Jones	dda9b1f087	Merge pull request #37 from kenjones-cisco/bugfix/read-yaml-array Bugfix: Read yaml array	2017-09-23 14:04:33 -04:00
Kenny Jones	683de28c64	Merge pull request #34 from kenjones-cisco/feature/add-version Feature: Adds support for --version	2017-09-23 14:04:18 -04:00
kenjones	51fa1a87b7	Bugfix: Read yaml array Parsing an array into MapSlice results in `[{nil, nil}]`. Parse into `[]map[interface{}]interface{}` allows for the processing of top level arrays in the document. Resolves: #23	2017-09-23 13:53:04 -04:00
Kenny Jones	b9ac6a3d9d	Merge pull request #36 from kenjones-cisco/bugfix/write-empty-array Bugfix: Write empty array value	2017-09-23 09:39:01 -04:00
kenjones	499974c27e	Bugfix: Write empty array value When the value is `[]` set the value to empty array instead of `'[]'`. Resolves: #21	2017-09-23 09:36:17 -04:00
kenjones	72bd88cfa5	Feature: Adds support for --version Resolves: #24	2017-09-23 01:08:39 -04:00
kenjones	6980be3800	Feature: Adds merge command Adds merge command for merging multiple yaml files together. Resolves: #31	2017-09-23 14:45:59 +10:00
Kenny Jones	2933ea1684	Merge pull request #33 from kenjones-cisco/bugfix/acceptance Bugfix: Resolve failing acceptance test	2017-09-23 00:00:48 -04:00
kenjones	cf2f23d747	Bugfix: Resolve failing acceptance test	2017-09-22 23:58:50 -04:00
Kenny Jones	45e9ad870f	Merge pull request #30 from kenjones-cisco/task/refactor-add-tests Task: Increase test coverage, includes refactor	2017-09-22 23:09:04 -04:00
kenjones	53b2c64747	Task: Increase test coverage, includes refactor Adds test cases to increase test coverage. Refactors code to enable adding tests by reducing the number of locations where `os.Exit()` is called from.	2017-09-22 23:01:46 -04:00
Mike Farah	359ca5a117	Merge branch 'kenjones-cisco-bugfix/nonstring-keys'	2017-09-23 08:56:55 +10:00
Mike Farah	79baa49eaa	Merge branch 'bugfix/nonstring-keys' of git://github.com/kenjones-cisco/yaml into kenjones-cisco-bugfix/nonstring-keys	2017-09-23 08:54:08 +10:00
Mike Farah	2cda78ce0b	Vendor shas	2017-09-23 08:47:18 +10:00
Mike Farah	6d1e61c410	Merge branch 'master' into bugfix/nonstring-keys	2017-09-23 08:38:37 +10:00
kenjones	86639acf70	Task: Simplify development The base directory has all shell scripts in scripts/ and all example/test files in examples/. A Makefile provides all the commands with helpful information. If a developer simply types `make` then vendor is properly updated, the code is formatted, linted, tested, built, acceptance test run, and installed. Linting errors resolved. Ignored test case (`TestParsePath`) updated to work as expected.	2017-09-23 08:37:34 +10:00
kenjones	3beee3f804	Bugfix: Panic on non-string keys Adds check if the key is an `int` or `bool`, and converts to a string as part of the `toJSON` function. Test cases added. Resolves: #28	2017-09-21 12:01:03 -04:00
Mike Farah	1ed8e7017e	Can create arrays	2017-08-08 17:04:30 +10:00
Mike Farah	5514d2300b	Can update arrays	2017-08-08 16:55:57 +10:00
Mike Farah	5bb0934710	Handle arrays and strings when reading	2017-08-08 16:42:11 +10:00
Mike Farah	cdd78af4bc	Fixed bug #11 : Inability to set field to empty string	2017-06-06 10:19:32 +10:00
Mike Farah	d07e436065	Update docs re using values that look like flags	2017-05-03 10:42:53 +10:00
Mike Farah	b2a0964de2	switched from godeps to govendor, now supports new 'vendor' folder	2017-05-03 09:19:55 +10:00
Mike Farah	69e6bb354d	Added doco regarding values starting with hyphens	2017-05-03 08:11:26 +10:00
Mike Farah	ec25886528	Removed redundant code, updated doc w.r.t reading json files	2017-04-19 15:45:45 +10:00
Mike Farah	c2000a446b	Fixed writeCommands to maintain the same execution as was read in	2017-04-18 15:55:43 +10:00
Mike Farah	08ba0083be	formatting	2017-04-18 09:14:06 +10:00
Mike Farah	909b62be54	Fixed ability to grow arrays	2017-04-18 08:53:27 +10:00
Mike Farah	0facf35d60	Fixed test flakeyness with using printf	2017-04-14 12:56:50 +10:00
Mike Farah	a7c4813703	Updated doco	2017-04-14 12:40:03 +10:00
Mike Farah	373e0a5eb7	More tests	2017-04-14 12:39:55 +10:00
Mike Farah	124c57f9d9	README now links to doco	2017-04-13 15:44:31 +10:00
Mike Farah	fb73a793bd	Added doco	2017-04-13 15:36:59 +10:00
Mike Farah	c22394b540	Updated readme	2017-04-12 21:30:29 +10:00
Mike Farah	b1ff47022b	Updated readme	2017-04-12 21:20:43 +10:00
Mike Farah	82f1230db8	Added "new" command for creating new yaml	2017-04-12 21:10:00 +10:00
Mike Farah	a3190f1504	Refactor write to allow new entries	2017-04-12 20:25:13 +10:00
Mike Farah	44ee869e47	Maintain order	2017-02-27 09:09:29 +11:00
Mike Farah	5d2d37a5f8	Fixed travis script, added Travis banner to readme	2017-02-13 07:55:06 +11:00
Mike Farah	e3fc944709	Added travis config	2017-02-13 07:28:48 +11:00
Mike Farah	6ee9db9a70	Added License (MIT)	2017-02-10 16:00:25 +11:00
Mike Farah	0d75edfb67	Fixed updating array bug (Issue 3 in git)	2017-02-09 13:58:47 +11:00
Mike Farah	037314af8a	Merge pull request #2 from chaos95/master Handle 'index out of range' errors more gracefully	2016-03-19 13:05:57 +11:00
Morgan Larosa	2a283b4ef7	Fix #1	2016-03-16 16:11:06 +11:00
Mike Farah	7ef556f22b	Update README.md	2015-11-20 21:42:45 +11:00
Mike Farah	6b566fd983	Refactored code	2015-10-13 21:42:36 +11:00
Mike Farah	001925a4d4	Release task now clears build directory first	2015-10-13 21:34:40 +11:00
Mike Farah	3dee7b89d2	Updated README	2015-10-13 21:34:26 +11:00
Mike Farah	c955815aab	Added json input functionality	2015-10-11 17:06:52 +11:00
Mike Farah	3720bf8211	Added json output functionality	2015-10-11 10:00:22 +11:00
Mike Farah	5f09aabf4c	Extracted out common test code	2015-10-10 19:18:54 +11:00
Mike Farah	98751cf607	Using godeps	2015-10-10 12:57:11 +11:00
Mike Farah	2ec3b59da2	Added more help info about using write with an update script	2015-10-09 21:30:15 +11:00
Mike Farah	56c923228d	Fixed bug when using write command Added more tests to avoid bugs ;)	2015-10-09 21:24:42 +11:00
Mike Farah	c122b9a843	Fixed example in README	2015-10-08 20:07:27 +11:00
mfarah	15f51d4bf0	Can update a yaml file from an instruction yaml file	2015-10-08 10:31:31 +11:00
mfarah	219105f999	Test result order no longer matters	2015-10-07 13:36:39 +11:00
mfarah	955ecc2547	Removed usage of log	2015-10-06 16:39:19 +11:00
mfarah	1d5fbd5ad0	Use cobra for cli for nicer cli-ness	2015-10-06 16:17:28 +11:00
mfarah	1605938c2c	Readme updates	2015-10-06 11:58:51 +11:00
mfarah	2780903b60	Fixed readme formatting	2015-10-06 11:51:36 +11:00
mfarah	81672d4efe	Can now splat maps	2015-10-06 10:08:31 +11:00
mfarah	6a696c81db	Individual tests now have their own test data	2015-10-06 10:02:40 +11:00
mfarah	805729e4f7	DRYd code	2015-10-06 09:25:55 +11:00
mfarah	7db31006da	Fixed write bug: can now update yaml with single key in path	2015-10-05 16:03:11 +11:00
mfarah	8409be1cdf	Removed debug printLn	2015-10-05 16:02:07 +11:00
mfarah	c03c4813d4	Can read from STDIN	2015-10-05 15:48:34 +11:00
mfarah	5ee6a9b9ca	Updated README	2015-10-05 14:48:57 +11:00
mfarah	8efc46deae	Fixed bad paths causing recursing down scalar values	2015-10-05 14:47:24 +11:00
mfarah	e4d5769f29	Added array splat functionality	2015-10-05 14:41:50 +11:00
Mike Farah	fea6e0db3d	Clarified README	2015-10-04 17:07:39 +11:00
Mike Farah	6823d43325	Added ability to update yaml files inplace	2015-10-03 18:28:30 +10:00
Mike Farah	da4b1a6449	Minor Readme fix	2015-10-03 18:19:13 +10:00
				`@@ -0,0 +1 @@`
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				!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(e){if(void 0===e)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===e.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");e.da=function(){this.pipeline.reset(),this.pipeline.add(e.da.trimmer,e.da.stopWordFilter,e.da.stemmer),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add(e.da.stemmer))},e.da.wordCharacters="A-Za-zªºÀ-ÖØ-öø-ʸˠ-ˤᴀ-ᴥᴬ-ᵜᵢ-ᵥᵫ-ᵷᵹ-ᶾḀ-ỿⁱⁿₐ-ₜKÅℲⅎⅠ-ↈⱠ-ⱿꜢ-ꞇꞋ-ꞭꞰ-ꞷꟷ-ꟿꬰ-ꭚꭜ-ꭤﬀ-ﬆＡ-Ｚａ-ｚ",e.da.trimmer=e.trimmerSupport.generateTrimmer(e.da.wordCharacters),e.Pipeline.registerFunction(e.da.trimmer,"trimmer-da"),e.da.stemmer=function(){var r=e.stemmerSupport.Among,i=e.stemmerSupport.SnowballProgram,n=new function(){function e(){var e,r=l.limit-l.cursor;l.cursor>=t&&(e=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,l.find_among_b(a,4)?(l.bra=l.cursor,l.limit_backward=e,l.cursor=l.limit-r,l.cursor>l.limit_backward&&(l.cursor--,l.bra=l.cursor,l.slice_del())):l.limit_backward=e)}var n,t,s,o=[new r("hed",-1,1),new r("ethed",0,1),new r("ered",-1,1),new r("e",-1,1),new r("erede",3,1),new r("ende",3,1),new r("erende",5,1),new r("ene",3,1),new r("erne",3,1),new r("ere",3,1),new r("en",-1,1),new r("heden",10,1),new r("eren",10,1),new r("er",-1,1),new r("heder",13,1),new r("erer",13,1),new r("s",-1,2),new r("heds",16,1),new r("es",16,1),new r("endes",18,1),new r("erendes",19,1),new r("enes",18,1),new r("ernes",18,1),new r("eres",18,1),new r("ens",16,1),new r("hedens",24,1),new r("erens",24,1),new r("ers",16,1),new r("ets",16,1),new r("erets",28,1),new r("et",-1,1),new r("eret",30,1)],a=[new r("gd",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1)],d=[new r("ig",-1,1),new r("lig",0,1),new r("elig",1,1),new r("els",-1,1),new r("løst",-1,2)],u=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],c=[239,254,42,3,0,0,0,0,0,0,0,0,0,0,0,0,16],l=new i;this.setCurrent=function(e){l.setCurrent(e)},this.getCurrent=function(){return l.getCurrent()},this.stem=function(){var r=l.cursor;return function(){var e,r=l.cursor+3;if(t=l.limit,0<=r&&r<=l.limit){for(n=r;;){if(e=l.cursor,l.in_grouping(u,97,248)){l.cursor=e;break}if(l.cursor=e,e>=l.limit)return;l.cursor++}for(;!l.out_grouping(u,97,248);){if(l.cursor>=l.limit)return;l.cursor++}(t=l.cursor)<n&&(t=n)}}(),l.limit_backward=r,l.cursor=l.limit,function(){var e,r;if(l.cursor>=t&&(r=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,e=l.find_among_b(o,32),l.limit_backward=r,e))switch(l.bra=l.cursor,e){case 1:l.slice_del();break;case 2:l.in_grouping_b(c,97,229)&&l.slice_del()}}(),l.cursor=l.limit,e(),l.cursor=l.limit,function(){var r,i,n,s=l.limit-l.cursor;if(l.ket=l.cursor,l.eq_s_b(2,"st")&&(l.bra=l.cursor,l.eq_s_b(2,"ig")&&l.slice_del()),l.cursor=l.limit-s,l.cursor>=t&&(i=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,r=l.find_among_b(d,5),l.limit_backward=i,r))switch(l.bra=l.cursor,r){case 1:l.slice_del(),n=l.limit-l.cursor,e(),l.cursor=l.limit-n;break;case 2:l.slice_from("løs")}}(),l.cursor=l.limit,function(){var e;l.cursor>=t&&(e=l.limit_backward,l.limit_backward=t,l.ket=l.cursor,l.out_grouping_b(u,97,248)?(l.bra=l.cursor,s=l.slice_to(s),l.limit_backward=e,l.eq_v_b(s)&&l.slice_del()):l.limit_backward=e)}(),!0}};return function(e){return"function"==typeof e.update?e.update(function(e){return n.setCurrent(e),n.stem(),n.getCurrent()}):(n.setCurrent(e),n.stem(),n.getCurrent())}}(),e.Pipeline.registerFunction(e.da.stemmer,"stemmer-da"),e.da.stopWordFilter=e.generateStopWordFilter("ad af alle alt anden at blev blive bliver da de dem den denne der deres det dette dig din disse dog du efter eller en end er et for fra ham han hans har havde have hende hendes her hos hun hvad hvis hvor i ikke ind jeg jer jo kunne man mange med meget men mig min mine mit mod ned noget nogle nu når og også om op os over på selv sig sin sine sit skal skulle som sådan thi til ud under var vi vil ville vor være været".split(" ")),e.Pipeline.registerFunction(e.da.stopWordFilter,"stopWordFilter-da")}});
				`@@ -0,0 +1 @@`
				!function(e,i){"function"==typeof define&&define.amd?define(i):"object"==typeof exports?module.exports=i():i()(e.lunr)}(this,function(){return function(e){e.multiLanguage=function(){for(var i=Array.prototype.slice.call(arguments),t=i.join("-"),r="",n=[],s=[],p=0;p<i.length;++p)"en"==i[p]?(r+="\\w",n.unshift(e.stopWordFilter),n.push(e.stemmer),s.push(e.stemmer)):(r+=e[i[p]].wordCharacters,n.unshift(e[i[p]].stopWordFilter),n.push(e[i[p]].stemmer),s.push(e[i[p]].stemmer));var o=e.trimmerSupport.generateTrimmer(r);return e.Pipeline.registerFunction(o,"lunr-multi-trimmer-"+t),n.unshift(o),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,n),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,s))}}}});
				`@@ -0,0 +1 @@`
				!function(r,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(r.lunr)}(this,function(){return function(r){r.stemmerSupport={Among:function(r,t,i,s){if(this.toCharArray=function(r){for(var t=r.length,i=new Array(t),s=0;s<t;s++)i[s]=r.charCodeAt(s);return i},!r&&""!=r\|\|!t&&0!=t\|\|!i)throw"Bad Among initialisation: s:"+r+", substring_i: "+t+", result: "+i;this.s_size=r.length,this.s=this.toCharArray(r),this.substring_i=t,this.result=i,this.method=s},SnowballProgram:function(){var r;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(t){r=t,this.cursor=0,this.limit=t.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var t=r;return r=null,t},in_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},in_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e<=s&&e>=i&&(e-=i,t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},out_grouping:function(t,i,s){if(this.cursor<this.limit){var e=r.charCodeAt(this.cursor);if(e>s\|\|e<i)return this.cursor++,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor++,!0}return!1},out_grouping_b:function(t,i,s){if(this.cursor>this.limit_backward){var e=r.charCodeAt(this.cursor-1);if(e>s\|\|e<i)return this.cursor--,!0;if(e-=i,!(t[e>>3]&1<<(7&e)))return this.cursor--,!0}return!1},eq_s:function(t,i){if(this.limit-this.cursor<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor+s)!=i.charCodeAt(s))return!1;return this.cursor+=t,!0},eq_s_b:function(t,i){if(this.cursor-this.limit_backward<t)return!1;for(var s=0;s<t;s++)if(r.charCodeAt(this.cursor-t+s)!=i.charCodeAt(s))return!1;return this.cursor-=t,!0},find_among:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=t[a],m=l;m<_.s_size;m++){if(n+l==u){f=-1;break}if(f=r.charCodeAt(n+l)-_.s[m])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0\|\|e==s\|\|c)break;c=!0}}for(;;){if(o>=(_=t[s]).s_size){if(this.cursor=n+_.s_size,!_.method)return _.result;var b=_.method();if(this.cursor=n+_.s_size,b)return _.result}if((s=_.substring_i)<0)return 0}},find_among_b:function(t,i){for(var s=0,e=i,n=this.cursor,u=this.limit_backward,o=0,h=0,c=!1;;){for(var a=s+(e-s>>1),f=0,l=o<h?o:h,_=(m=t[a]).s_size-1-l;_>=0;_--){if(n-l==u){f=-1;break}if(f=r.charCodeAt(n-1-l)-m.s[_])break;l++}if(f<0?(e=a,h=l):(s=a,o=l),e-s<=1){if(s>0\|\|e==s\|\|c)break;c=!0}}for(;;){var m=t[s];if(o>=m.s_size){if(this.cursor=n-m.s_size,!m.method)return m.result;var b=m.method();if(this.cursor=n-m.s_size,b)return m.result}if((s=m.substring_i)<0)return 0}},replace_s:function(t,i,s){var e=s.length-(i-t),n=r.substring(0,t),u=r.substring(i);return r=n+s+u,this.limit+=e,this.cursor>=i?this.cursor+=e:this.cursor>t&&(this.cursor=t),e},slice_check:function(){if(this.bra<0\|\|this.bra>this.ket\|\|this.ket>this.limit\|\|this.limit>r.length)throw"faulty slice operation"},slice_from:function(r){this.slice_check(),this.replace_s(this.bra,this.ket,r)},slice_del:function(){this.slice_from("")},insert:function(r,t,i){var s=this.replace_s(r,t,i);r<=this.bra&&(this.bra+=s),r<=this.ket&&(this.ket+=s)},slice_to:function(){return this.slice_check(),r.substring(this.bra,this.ket)},eq_v_b:function(r){return this.eq_s_b(r.length,r)}}}},r.trimmerSupport={generateTrimmer:function(r){var t=new RegExp("^[^"+r+"]+"),i=new RegExp("[^"+r+"]+$");return function(r){return"function"==typeof r.update?r.update(function(r){return r.replace(t,"").replace(i,"")}):r.replace(t,"").replace(i,"")}}}}});
				`@@ -0,0 +1 @@`
				`{"a":"Easy! as one two three","b":{"c":2,"d":[3,4],"e":[{"name":"fred","value":3},{"name":"sam","value":4}]}}`
				`@@ -0,0 +1 @@`
				`This command can take a json file as input too, and will output yaml unless specified to export as json (-j)`