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162 Commits

Author SHA1 Message Date
Mike Farah
72cd3e4a2a Fixed explode for aliases to scalars 2020-02-07 10:42:07 +11:00
Mike Farah
d40ad9649d Fixed explode for aliases to scalars 2020-02-07 10:09:20 +11:00
Mike Farah
63313ebb02 Merge branch 'coryrc-fix-merge-with-dots' into compare 2020-02-07 09:10:25 +11:00
Mike Farah
de3bfaef60 Merge branch 'fix-merge-with-dots' of git://github.com/coryrc/yq into coryrc-fix-merge-with-dots 2020-02-07 09:09:52 +11:00
Mike Farah
108b5cb093 Fixed explode for simple anchors 2020-02-07 09:08:52 +11:00
Mike Farah
b116f40348 Major version bump for new features 2020-02-06 12:20:51 +11:00
Cory Cross
ea9df0eede Fix path generation when merging file has period in key
The program generates a path for every leaf node in the
file-to-be-merged. It does not escape them if they contain a dot, as
the path-expressions document mentions is necessary.

Add in a test for this condition. Verified it fails without the fix.
2020-02-04 22:37:00 -08:00
Mike Farah
b7dd3e8e0a Added explode test 2020-02-05 15:08:13 +11:00
Mike Farah
dc13fa99f7 wip: explode anchors 2020-02-05 14:10:59 +11:00
Mike Farah
179049a535 Always allow empty 2020-02-04 14:42:08 +11:00
Mike Farah
2fa8b24272 Can merge one file 2020-02-04 14:33:35 +11:00
Mike Farah
f1dbe13f21 Can write and merge into empty files :) 2020-02-04 14:21:54 +11:00
Mike Farah
02258fbaae Fixed deep splatting merge anchors - dont visit twice 2020-02-04 14:10:12 +11:00
Mike Farah
6f0538173b Fix delete adding entries 2020-02-04 09:58:20 +11:00
Mike Farah
6840ea8c78 can set indent levels 2020-02-03 16:56:01 +11:00
Mike Farah
70b88fa778 Pretty print everything test 2020-02-03 16:40:17 +11:00
Mike Farah
bfc1a621c4 Pretty print everything 2020-02-03 16:37:53 +11:00
Mike Farah
166f866f28 Pretty print json 2020-02-03 16:31:03 +11:00
Mike Farah
b3598aaa43 Updated readme 2020-02-03 16:21:00 +11:00
Mike Farah
14ac791eaf Fixed compare output, added tests 2020-02-03 15:35:00 +11:00
Mike Farah
25293a6894 Check write errors 2020-02-03 14:28:38 +11:00
Mike Farah
d828b214cc More powerful compare 2020-02-03 14:15:12 +11:00
Mike Farah
9e47685271 Compare first cut 2020-02-03 13:59:16 +11:00
Mike Farah
699fce9da4 Added default value flag - for printing out a value when reading and there are no matches 2020-02-03 10:13:48 +11:00
Mike Farah
f52de57652 Don't fail when reading an empty file 2020-02-03 09:15:16 +11:00
Mike Farah
b7554e6e76 Pretty print disclaimer 2020-01-31 16:37:24 +11:00
Mike Farah
ec25511f1b Pretty print 2020-01-31 16:35:01 +11:00
Mike Farah
c6a52012ab Prefer download binary 2020-01-31 10:37:27 +11:00
Mike Farah
63ded205e8 Added docs for validate 2020-01-31 10:32:44 +11:00
Mike Farah
d1c1ab0a75 Added validate command 2020-01-30 16:34:43 +11:00
Mike Farah
6ec8386f9e Fixed bad yaml handling 2020-01-30 16:32:28 +11:00
Mike Farah
4dbe3636c2 Splat array is now the fallback instead of parsing int 2020-01-30 15:11:47 +11:00
Mike Farah
4a5bd0ff5b No need to log error 2020-01-30 15:00:27 +11:00
Mike Farah
44f36833cf Fixed delete array pattern matching 2020-01-30 14:55:58 +11:00
Mike Farah
789ea02096 Merge branch 'v3' 2020-01-30 13:01:16 +11:00
Mike Farah
7c27491dd6 Removed user docs 2020-01-30 10:32:34 +11:00
Mike Farah
720cc8f798 Update cli docs 2020-01-30 09:58:21 +11:00
Mike Farah
abda0e38af Removed unused dep 2020-01-22 16:39:41 +11:00
Mike Farah
5cd4c347b0 Updated user docs link 2020-01-22 16:25:52 +11:00
Mike Farah
1a4d8158ba Removed custom value parsing logic 2020-01-20 08:42:08 +11:00
Mike Farah
8a65822b0b Updated docs to include value parsing 2020-01-20 08:35:03 +11:00
Ryan SIU
b7148adf20 #323 Fix the unit test 2020-01-15 14:02:48 +11:00
Ryan SIU
64d38e9f03 #323 Refactor the cobra command with standard structure 2020-01-15 14:02:48 +11:00
Mike Farah
3a387e65be Updated travis ci build 2020-01-15 09:02:06 +11:00
Mike Farah
56ba7c9a43 Updated travis ci build 2020-01-15 09:01:08 +11:00
Mike Farah
d203ec7b56 Accidently changed sample.yaml 2020-01-15 08:55:01 +11:00
Mike Farah
e2f79a3dae bolden contribute disclaimer 2020-01-13 19:45:24 +11:00
Mike Farah
2d7be26ad5 wip update docs 2020-01-13 16:58:11 +11:00
Mike Farah
350a8343e9 adv search with prefix! 2020-01-11 19:52:33 +11:00
Mike Farah
a3f8f9df10 more bits 2020-01-11 19:38:16 +11:00
Mike Farah
35fd5b7ae4 Extracted out is path expression checking logic 2020-01-11 19:30:27 +11:00
Mike Farah
2d237e7e8e it works! wip 2020-01-11 19:13:52 +11:00
Mike Farah
74c7a4e027 it works! wip 2020-01-11 18:52:15 +11:00
Mike Farah
f18c5161e0 Fixed sponge instructions 2020-01-11 16:01:32 +11:00
Mike Farah
eeeeeffd7b Added note about v3 2020-01-11 11:44:02 +11:00
Mike Farah
96955ffa9c release notes 2020-01-11 09:55:24 +11:00
Mike Farah
9361b8b3e9 Beta 2020-01-11 09:14:32 +11:00
Mike Farah
24dcb56466 Inc version - fix help text 2020-01-11 09:13:42 +11:00
Mike Farah
728cbe991a Print path is more accurate than keys (i think) 2020-01-11 09:07:39 +11:00
Mike Farah
854f5f0fc9 wip json encoding 2020-01-10 22:01:59 +11:00
Mike Farah
feba7b04fa Added path stack to string test 2020-01-09 21:36:05 +11:00
Mike Farah
0621307391 Fixed linting errors 2020-01-09 21:27:52 +11:00
Mike Farah
924eb6c462 Added missing functions to interface 2020-01-09 21:18:24 +11:00
Mike Farah
52eef67e37 more tests, some refactoring 2020-01-09 08:17:56 +11:00
Mike Farah
38d35185bc Can overwrite and append with merge 2020-01-06 16:27:00 +13:00
Mike Farah
d8c29b26c1 Merge can allow empty merges! 2020-01-06 16:22:24 +13:00
Mike Farah
e3f4eedd51 Fixed merge new array 2020-01-06 10:12:38 +13:00
Mike Farah
690da9ee74 Fixed merge new array 2020-01-06 10:12:30 +13:00
Mike Farah
1f7f1b0def Merge arrays! 2020-01-05 17:28:24 +13:00
Mike Farah
1aa5ec1d40 Merge! wip 2020-01-05 17:14:14 +13:00
Mike Farah
a065a47b37 Fixed tests 2020-01-05 16:22:18 +13:00
Mike Farah
625cfdac75 wip; 2019-12-31 15:21:39 +13:00
Mike Farah
4dbdd4a805 Deep splat! 2019-12-30 16:51:07 +13:00
Mike Farah
8a6af1720d Fixed modify array issue! 2019-12-30 11:21:21 +13:00
Mike Farah
0652f67a91 Refactored! 2019-12-28 20:19:37 +13:00
Mike Farah
df52383ffb Delete works! needs refactor 2019-12-28 10:51:54 +13:00
Mike Farah
707ad09ba5 Refactor wip 2019-12-27 19:06:58 +11:00
Mike Farah
cf389bed4a Refactor wip 2019-12-27 19:06:08 +11:00
Mike Farah
ff5b23251b Refactor wip 2019-12-25 12:11:04 +11:00
Mike Farah
9925b26b9d Added Key and Value printing tests 2019-12-24 10:46:21 +11:00
Mike Farah
93dbe80a77 wip 2019-12-24 10:35:57 +11:00
Mike Farah
27604289f4 Log out original error if removing temporary file failed 2019-12-23 12:09:38 +11:00
Mike Farah
3f36a18791 Add readme notice re v3 2019-12-23 10:01:55 +11:00
Mike Farah
1e541cd65f wip handle aliases when printing keys 2019-12-23 09:25:44 +11:00
Mike Farah
5204a13685 Show paths 2019-12-23 09:08:00 +11:00
Mike Farah
3d3eaf3034 Return path, smart print 2019-12-22 17:16:03 +11:00
Mike Farah
4fb44dbc47 Return path, smart print 2019-12-22 17:13:11 +11:00
Mike Farah
784513dd18 Merge anchors - refactored 2019-12-22 15:35:16 +11:00
Mike Farah
865a55645c Merge anchors - refactored 2019-12-22 15:33:54 +11:00
Mike Farah
949bf1c1d7 Merge anchors - wip 2019-12-22 15:15:15 +11:00
Mike Farah
19fe718cfb Aliases! 2019-12-16 21:09:23 +11:00
Mike Farah
290579ac7f Handle simple aliases 2019-12-16 20:38:55 +11:00
Mike Farah
d7392f7b58 Refactoring 2019-12-16 16:46:20 +11:00
Mike Farah
a3cebec2fd Added prefix command 2019-12-16 16:17:01 +11:00
Mike Farah
b81fd638d7 wip - new node 2019-12-15 19:34:05 +11:00
Mike Farah
2344638da4 Fixed delete splat 2019-12-15 18:53:49 +11:00
Mike Farah
8be006fba4 Fixed delete splat 2019-12-15 18:52:37 +11:00
Mike Farah
53a4a47ce3 wip - prefix splat 2019-12-15 18:38:40 +11:00
Mike Farah
5988d0cffa Simplified 2019-12-15 18:24:23 +11:00
Mike Farah
b7640946ac Delete! 2019-12-15 17:31:26 +11:00
Mike Farah
d061b2f9f9 Can delete arrays 2019-12-12 20:47:22 +11:00
Mike Farah
8c0046a622 Refactoring 2019-12-09 13:57:38 +11:00
Mike Farah
586ffb833b Refactoring 2019-12-09 13:57:10 +11:00
Mike Farah
9771e7001c splatting 2019-12-09 13:44:53 +11:00
Mike Farah
8da9a81702 visitor! 2019-12-08 15:59:24 +11:00
Mike Farah
d97f1d8be2 recurse 2019-12-08 15:37:30 +11:00
Mike Farah
dad61ec615 remove json conversion for now 2019-12-06 16:52:00 +11:00
Mike Farah
676fc63219 remove json conversion for now 2019-12-06 16:41:21 +11:00
Mike Farah
972e2b9575 wip 2019-12-06 16:36:42 +11:00
Mike Farah
aad15ccc6e better v3 2019-12-06 15:57:46 +11:00
Conor Nosal
5fc13bdccd update imports for v2 module path 2019-12-06 13:58:56 +11:00
Conor Nosal
95fec2984e Move parseValue to yqlib/value_parser.go 2019-12-06 13:58:56 +11:00
Conor Nosal
64d1e58f97 test coverage and linting 2019-12-06 13:58:56 +11:00
Conor Nosal
4b3fbb878f Split marshal package from yqlib, implement interfaces 2019-12-06 13:58:56 +11:00
Conor Nosal
26a09e6ec0 Move implementation files to yqlib and test packages to allow for imports:
- Move data_navigator, json_converter, merge, and path_parser to pkg/yqlib
- Extract yamlToString from yq to pkg/yqlib/yaml_converter
- Move utils_test to test/utils
2019-12-06 13:58:56 +11:00
Mike Farah
ceafed30f9 attempt to fix go get 2019-12-02 10:38:44 +11:00
Mike Farah
b8b2c9de61 attempt to fix go get 2019-12-02 10:37:06 +11:00
Mike Farah
f5fdf98c38 Updating release instructions 2019-11-13 12:26:33 +11:00
Mike Farah
29986db8f8 Update doc for go get 2019-11-13 12:25:24 +11:00
Mike Farah
1f4e3a9cde Ignore vendor folder 2019-11-06 11:45:31 +11:00
Mike Farah
b6da773dde Bumbed snapcraft version 2019-11-01 12:40:35 +11:00
Mike Farah
8020d4253b Updated README 2019-11-01 12:40:21 +11:00
Mike Farah
3c701fe98e Incremented version 2019-11-01 10:47:38 +11:00
Mike Farah
97d1aa2b26 Added formatter, fixed docker build 2019-10-31 08:21:19 +11:00
Elliot
d05391e244 update ci to use go 1.13, switch to golangci-lint 2019-10-31 08:21:19 +11:00
Elliot
d1cec1ad18 fix to make it work with modules 2019-10-31 08:21:19 +11:00
Mike Farah
fe5842e5f9 Fix: Only remove original file if copying was successful 2019-08-27 09:21:39 +10:00
Aleksandr Sergin
e0d8cd6bf6 yq small fix 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
8f5ffe47ff return to old behavior, small fix. 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
5acc1e661e fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
a9c0ef571c fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
7a28531f2f fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
5de2bea1b4 fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
7320b8d3c9 fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
2f70e6f27a fix linter error 2019-08-27 09:18:38 +10:00
Aleksandr Sergin
a9e871ee00 add Move func to avoid 'invalid cross-device link' 2019-08-27 09:18:38 +10:00
Azimjon Ilkhomov
bc4bab9380 Fix typo 2019-08-05 11:30:20 +10:00
Mike Farah
665d9079fa Added goreport to readme 2019-07-23 10:07:59 +10:00
Mike Farah
7b54a44fcf Fixed readme for bash docker alias to bash function, thanks @dead10ck 2019-07-23 09:57:58 +10:00
Kenny Jones
94148e4398 Merge pull request #256 from arnaud-deprez/patch-1
doc: use '--rm' instead of '-rm' for docker command
2019-07-02 09:32:51 -04:00
Arnaud Deprez
f8553162ca doc: use '--rm' instead of '-rm' for docker command 2019-07-02 12:17:35 +00:00
Eduardo Minguez Perez
be532bf2fe Added '-rm' docker flag to remove the containers
Also, added a handy alias just in case.
2019-06-10 21:59:40 +10:00
Mike Farah
e9b8265ca3 Updated docs re creating a new array 2019-05-16 14:57:34 +10:00
Mike Farah
0f8b864321 Updated instructions 2019-05-16 14:56:00 +10:00
Mike Farah
e5bcfedbe9 updating docs 2019-05-16 14:55:32 +10:00
Mike Farah
a5f5fb2562 Publish moves files after uploading for speedy retries 2019-05-16 14:54:58 +10:00
Mike Farah
84de9c078d Improved handling of numeric keys
When there is no match at a given path, numeric keys are assumed to be strings.
To create an array '+' must be used.

e.g: yq n thing[+].cat fred
will create an array under thing, whereas
yq n thing[0].cat fred
will create a map under thing, with a key '0'
2019-05-16 10:03:54 +10:00
Mike Farah
c7f5261036 Bump version 2019-05-16 10:03:54 +10:00
Georgi Knox
6e35356a84 add help description 2019-05-16 09:35:16 +10:00
Mike Farah
b2fe3e6738 fixing delete splat 2019-05-14 11:20:41 +10:00
Mike Farah
774badfef4 Can delete splat!
Fixes https://github.com/mikefarah/yq/issues/175
2019-05-13 09:48:05 +10:00
Mike Farah
c4e9516aa6 Prefix matching splat
Fixes https://github.com/mikefarah/yq/issues/218
2019-05-13 09:32:08 +10:00
Mike Farah
323089eb64 fixed tests for write array splat 2019-05-13 09:13:45 +10:00
Mike Farah
53289366a5 Write array splat 2019-05-01 08:55:44 +10:00
Mike Farah
cda9a82906 Refactoring write command to allow splat 2019-05-01 08:40:35 +10:00
Mike Farah
2dbde6b9fb Can process numeric keys
Fixes: https://github.com/mikefarah/yq/issues/215
2019-04-30 09:43:09 +10:00
Mike Farah
f8c1c3c1b4 Updated instructions w.r.t keys and values starting with dashes 2019-04-29 16:14:33 +10:00
Mike Farah
238a1241d2 Added snap specific notes
https://forum.snapcraft.io/t/requesting-classic-confinement-for-yq/10559
2019-03-27 09:27:07 +11:00
Mike Farah
8a61ef072a Revert "Snapcraft classic confinment to allow access to system resources"
Snap doesn't let me use classic

This reverts commit 4f178d2317.
2019-03-25 09:28:06 +11:00
Mike Farah
4f178d2317 Snapcraft classic confinment to allow access to system resources
https://docs.snapcraft.io/snap-confinement/6233
2019-03-25 09:19:29 +11:00
Mike Farah
133e55105c Bump snapcraft go version 2019-03-22 16:32:30 +11:00
Mike Farah
5e5468af3b Release instructions update 2019-03-22 16:03:11 +11:00
134 changed files with 5059 additions and 13626 deletions

1
.dockerignore Normal file
View File

@@ -0,0 +1 @@
bin

4
.gitignore vendored
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@@ -8,6 +8,7 @@ _obj
_test
bin
build
build-done
.DS_Store
# Architecture specific extensions/prefixes
@@ -22,11 +23,12 @@ _cgo_export.*
_testmain.go
coverage.out
coverage.html
*.exe
*.test
*.prof
yaml
vendor/*/
vendor/
tmp/
cover/
yq

View File

@@ -1,6 +1,6 @@
language: go
go:
- 1.11.x
- 1.13.x
script:
- scripts/devtools.sh
- make local build

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@@ -1,4 +1,4 @@
FROM golang:1.11 as builder
FROM golang:1.13 as builder
WORKDIR /go/src/mikefarah/yq
@@ -6,10 +6,6 @@ WORKDIR /go/src/mikefarah/yq
COPY ./scripts/devtools.sh /go/src/mikefarah/yq/scripts/devtools.sh
RUN ./scripts/devtools.sh
# cache vendor
COPY ./vendor/vendor.json /go/src/mikefarah/yq/vendor/vendor.json
RUN govendor sync
COPY . /go/src/mikefarah/yq
RUN CGO_ENABLED=0 make local build

View File

@@ -1,4 +1,4 @@
FROM golang:1.9
FROM golang:1.13
COPY scripts/devtools.sh /opt/devtools.sh

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@@ -14,7 +14,7 @@ help:
@echo ' make build Build yq binary.'
@echo ' make install Install yq.'
@echo ' make xcompile Build cross-compiled binaries of yq.'
@echo ' make vendor Install dependencies using govendor.'
@echo ' make vendor Install dependencies to vendor directory.'
@echo ' make format Run code formatter.'
@echo ' make check Run static code analysis (lint).'
@echo ' make test Run tests on project.'
@@ -71,8 +71,7 @@ install: build
# 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
${DOCKRUN} go mod vendor
# ----------------------------------------------
# develop and test

106
README.md
View File

@@ -1,30 +1,57 @@
# yq
[![Build Status](https://travis-ci.org/mikefarah/yq.svg?branch=master)](https://travis-ci.org/mikefarah/yq) ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg)
[![Build Status](https://api.travis-ci.com/mikefarah/yq.svg?branch=master)](https://travis-ci.com/mikefarah/yq/) ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq)
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.
## New version!
V3 is officially out - if you've been using v2 and want/need to upgrade, checkout the [upgrade guide](https://mikefarah.gitbook.io/yq/upgrading-from-v2).
## Install
On MacOS:
### Download the latest binary
[Here](https://github.com/mikefarah/yq/releases/latest)
### On MacOS:
```
brew install yq
```
On Ubuntu and other Linux distros supporting `snap` packages:
### On Ubuntu and other Linux distros supporting `snap` packages:
```
snap install yq
```
On Ubuntu 16.04 or higher from Debian package:
#### Snap notes
`yq` installs with with [_strict confinement_](https://docs.snapcraft.io/snap-confinement/6233) in snap, this means it doesn't have direct access to root files. To read root files you can:
```
sudo cat /etc/myfile | yq r - a.path
```
And to write to a root file you can either use [sponge](https://linux.die.net/man/1/sponge):
```
sudo cat /etc/myfile | yq w - a.path value | sudo sponge /etc/myfile
```
or write to a temporary file:
```
sudo cat /etc/myfile | yq w - a.path value | sudo tee /etc/myfile.tmp
sudo mv /etc/myfile.tmp /etc/myfile
rm /etc/myfile.tmp
```
### On Ubuntu 16.04 or higher from Debian package:
```
sudo add-apt-repository ppa:rmescandon/yq
sudo apt update
sudo apt install yq -y
```
or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
### Go Get:
```
go get gopkg.in/mikefarah/yq.v2
GO111MODULE=on go get github.com/mikefarah/yq/v3
```
## Run with Docker
@@ -32,35 +59,42 @@ go get gopkg.in/mikefarah/yq.v2
Oneshot use:
```bash
docker run -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
docker run --rm -v ${PWD}:/workdir mikefarah/yq yq [flags] <command> FILE...
```
Run commands interactively:
```bash
docker run -it -v ${PWD}:/workdir mikefarah/yq sh
docker run --rm -it -v ${PWD}:/workdir mikefarah/yq sh
```
It can be useful to have a bash function to avoid typing the whole docker command:
```bash
yq() {
docker run --rm -i -v ${PWD}:/workdir mikefarah/yq yq $@
}
```
## 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
- [Deep read a yaml file with a given path expression](https://mikefarah.gitbook.io/yq/commands/read#basic)
- [List matching paths of a given path expression](https://mikefarah.gitbook.io/yq/commands/read#path-only)
- Update a yaml file given a [path expression](https://mikefarah.gitbook.io/yq/commands/write-update#basic) or [script file](https://mikefarah.gitbook.io/yq/commands/write-update#basic)
- 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
- Prefix a path to a yaml 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 and override previous values.
- Merge multiple yaml files and append array values.
- Supports multiple documents in a single yaml file
- Deeply compare yaml files
- Keeps yaml formatting and comments when updating
- [Validate a yaml file](https://mikefarah.gitbook.io/yq/commands/validate)
- Create a yaml file given a [deep path and value](https://mikefarah.gitbook.io/yq/commands/create#creating-a-simple-yaml-file) or a [script file](https://mikefarah.gitbook.io/yq/commands/create#creating-using-a-create-script)
- [Prefix a path to a yaml file](https://mikefarah.gitbook.io/yq/commands/prefix)
- [Convert to/from json to yaml](https://mikefarah.gitbook.io/yq/usage/convert)
- [Pipe data in by using '-'](https://mikefarah.gitbook.io/yq/commands/read#from-stdin)
- [Merge](https://mikefarah.gitbook.io/yq/commands/merge) multiple yaml files with various options for [overriding](https://mikefarah.gitbook.io/yq/commands/merge#overwrite-values) and [appending](https://mikefarah.gitbook.io/yq/commands/merge#append-values-with-arrays)
- Supports multiple documents in a single yaml file for [reading](https://mikefarah.gitbook.io/yq/commands/read#multiple-documents), [writing](https://mikefarah.gitbook.io/yq/commands/write-update#multiple-documents) and [merging](https://mikefarah.gitbook.io/yq/commands/merge#multiple-documents)
## [Usage](http://mikefarah.github.io/yq/)
## [Usage](https://mikefarah.gitbook.io/yq/)
Check out the [documentation](http://mikefarah.github.io/yq/) for more detailed and advanced usage.
Check out the [documentation](https://mikefarah.gitbook.io/yq/) for more detailed and advanced usage.
```
Usage:
@@ -68,31 +102,33 @@ Usage:
yq [command]
Available Commands:
delete yq d [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
compare yq x [--prettyPrint/-P] dataA.yaml dataB.yaml 'b.e(name==fr*).value'
delete yq d [--inplace/-i] [--doc/-d index] sample.yaml 'b.e(name==fred)'
help Help about any command
merge yq m [--inplace/-i] [--doc/-d index] [--overwrite/-x] [--append/-a] sample.yaml sample2.yaml
new yq n [--script/-s script_file] a.b.c newValue
read yq r [--doc/-d index] sample.yaml a.b.c
write yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml a.b.c newValue
prefix yq p [--inplace/-i] [--doc/-d index] sample.yaml a.b.c
read yq r [--printMode/-p pv] sample.yaml 'b.e(name==fr*).value'
validate yq v sample.yaml
write yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml 'b.e(name==fr*).value' newValue
Flags:
-h, --help help for yq
-t, --trim trim yaml output (default true)
-v, --verbose verbose mode
-V, --version Print version information and quit
-h, --help help for yq
-P, --prettyPrint pretty print
-j, --tojson output as json
-v, --verbose verbose mode
-V, --version Print version information and quit
Use "yq [command] --help" for more information about a command.
```
## Contribute
**Note: v3 is currently in progress - for the moment I won't be accepting new feature PRs until v3 is ready :)**
1. `scripts/devtools.sh`
2. `make [local] vendor`
3. add unit tests
4. apply changes (use govendor with a preference to [gopkg](https://gopkg.in/) for package dependencies)
4. apply changes to go.mod
5. `make [local] build`
6. If required, update the user documentation
- Update README.md and/or documentation under the mkdocs folder
- `make [local] build-docs`
- browse to docs/index.html and check your changes
7. profit

74
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Major release! Upgraded underlying yaml parser, re-written majority of yq. This has brought on a number of features that have been in demand for a while (see below).
This is in beta and needs some community feedback and testing :)
# New Features
- Keeps yaml comments and formatting, can specify yaml tags when updating. https://github.com/mikefarah/yq/issues/19, https://github.com/mikefarah/yq/issues/169, https://github.com/mikefarah/yq/issues/107, https://github.com/mikefarah/yq/issues/171, https://github.com/mikefarah/yq/issues/245, https://github.com/mikefarah/yq/issues/303,https://github.com/mikefarah/yq/issues/308,https://github.com/mikefarah/yq/issues/314
- Handles anchors! https://github.com/mikefarah/yq/issues/310, https://github.com/mikefarah/yq/issues/178
- Can print out matching paths and values when splatting https://github.com/mikefarah/yq/issues/20
- JSON output works for all commands! Yaml files with multiple documents are printed out as one JSON document per line.
- Deep splat (**) to match arbitrary paths
# Breaking changes
## Update scripts file format has changed to be more powerful.
Comments can be added, and delete commands have been introduced.
Before:
```yaml
b.e[+].name: Mike Farah
```
After:
```yaml
- command: update
path: b.e[+].thing
value:
#great
things: frog # wow!
- command: delete
path: b.d
```
https://github.com/mikefarah/yq/issues/305
## Reading and splatting, matching results are printed once per line.
e.g:
```json
parent:
childA:
no: matches here
childB:
there: matches
hi: no match
there2: also matches
```
```bash
yq r sample.yaml 'parent.*.there*'
```
old
```yaml
- null
- - matches
- also matches
```
new
```yaml
matches
also matches
```
and you can print the matching paths:
yq r --printMode pv sample.yaml 'parent.*.there*'
```yaml
parent.childB.there: matches
parent.childB.there2: also matches
```

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package cmd
import (
"bufio"
"bytes"
"strings"
"github.com/kylelemons/godebug/diff"
"github.com/mikefarah/yq/v3/pkg/yqlib"
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
)
func createCompareCmd() *cobra.Command {
var cmdCompare = &cobra.Command{
Use: "compare [yaml_file_a] [yaml_file_b]",
Aliases: []string{"x"},
Short: "yq x [--prettyPrint/-P] dataA.yaml dataB.yaml 'b.e(name==fr*).value'",
Example: `
yq x - data2.yml # reads from stdin
yq x -pp dataA.yaml dataB.yaml '**' # compare paths
yq x -d1 dataA.yaml dataB.yaml 'a.b.c'
`,
Long: "Deeply compares two yaml files, prints the difference. Use with prettyPrint flag to ignore formatting differences.",
RunE: compareDocuments,
}
cmdCompare.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
cmdCompare.PersistentFlags().StringVarP(&printMode, "printMode", "p", "v", "print mode (v (values, default), p (paths), pv (path and value pairs)")
cmdCompare.PersistentFlags().StringVarP(&defaultValue, "defaultValue", "D", "", "default value printed when there are no results")
return cmdCompare
}
func compareDocuments(cmd *cobra.Command, args []string) error {
var path = ""
if len(args) < 2 {
return errors.New("Must provide at 2 yaml files")
} else if len(args) > 2 {
path = args[2]
}
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
var matchingNodesA []*yqlib.NodeContext
var matchingNodesB []*yqlib.NodeContext
var errorDoingThings error
matchingNodesA, errorDoingThings = readYamlFile(args[0], path, updateAll, docIndexInt)
if errorDoingThings != nil {
return errorDoingThings
}
matchingNodesB, errorDoingThings = readYamlFile(args[1], path, updateAll, docIndexInt)
if errorDoingThings != nil {
return errorDoingThings
}
var dataBufferA bytes.Buffer
var dataBufferB bytes.Buffer
errorDoingThings = printResults(matchingNodesA, bufio.NewWriter(&dataBufferA))
if errorDoingThings != nil {
return errorDoingThings
}
errorDoingThings = printResults(matchingNodesB, bufio.NewWriter(&dataBufferB))
if errorDoingThings != nil {
return errorDoingThings
}
cmd.Print(diff.Diff(strings.TrimSuffix(dataBufferA.String(), "\n"), strings.TrimSuffix(dataBufferB.String(), "\n")))
cmd.Print("\n")
return nil
}

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package cmd
import (
"github.com/mikefarah/yq/v3/pkg/yqlib"
logging "gopkg.in/op/go-logging.v1"
)
var customTag = ""
var printMode = "v"
var writeInplace = false
var writeScript = ""
var outputToJSON = false
var prettyPrint = false
var explodeAnchors = false
var defaultValue = ""
var indent = 2
var overwriteFlag = false
var autoCreateFlag = true
var appendFlag = false
var verbose = false
var version = false
var docIndex = "0"
var log = logging.MustGetLogger("yq")
var lib = yqlib.NewYqLib()
var valueParser = yqlib.NewValueParser()

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package cmd
import (
"github.com/mikefarah/yq/v3/pkg/yqlib"
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
)
func createDeleteCmd() *cobra.Command {
var cmdDelete = &cobra.Command{
Use: "delete [yaml_file] [path_expression]",
Aliases: []string{"d"},
Short: "yq d [--inplace/-i] [--doc/-d index] sample.yaml 'b.e(name==fred)'",
Example: `
yq delete things.yaml 'a.b.c'
yq delete things.yaml 'a.*.c'
yq delete things.yaml 'a.(child.subchild==co*).c'
yq delete things.yaml 'a.**'
yq delete --inplace things.yaml 'a.b.c'
yq delete --inplace -- things.yaml '--key-starting-with-dash' # need to use '--' to stop processing arguments as flags
yq d -i things.yaml 'a.b.c'
`,
Long: `Deletes the nodes matching the given path expression 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")
cmdDelete.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
return cmdDelete
}
func deleteProperty(cmd *cobra.Command, args []string) error {
if len(args) < 2 {
return errors.New("Must provide <filename> <path_to_delete>")
}
var updateCommands []yqlib.UpdateCommand = make([]yqlib.UpdateCommand, 1)
updateCommands[0] = yqlib.UpdateCommand{Command: "delete", Path: args[1]}
return updateDoc(args[0], updateCommands, cmd.OutOrStdout())
}

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package cmd
import (
"github.com/mikefarah/yq/v3/pkg/yqlib"
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
)
func createMergeCmd() *cobra.Command {
var cmdMerge = &cobra.Command{
Use: "merge [initial_yaml_file] [additional_yaml_file]...",
Aliases: []string{"m"},
Short: "yq m [--inplace/-i] [--doc/-d index] [--overwrite/-x] [--append/-a] 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
yq m -i -a things.yaml other.yaml
yq m -i --autocreate=false 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.
If append flag is set then existing arrays will be merged with the arrays 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")
cmdMerge.PersistentFlags().BoolVarP(&autoCreateFlag, "autocreate", "c", true, "automatically create any missing entries")
cmdMerge.PersistentFlags().BoolVarP(&appendFlag, "append", "a", false, "update the yaml file by appending array values")
cmdMerge.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
return cmdMerge
}
func mergeProperties(cmd *cobra.Command, args []string) error {
var updateCommands []yqlib.UpdateCommand = make([]yqlib.UpdateCommand, 0)
if len(args) < 1 {
return errors.New("Must provide at least 1 yaml file")
}
if len(args) > 1 {
// first generate update commands from the file
var filesToMerge = args[1:]
for _, fileToMerge := range filesToMerge {
matchingNodes, errorProcessingFile := readYamlFile(fileToMerge, "**", false, 0)
if errorProcessingFile != nil {
return errorProcessingFile
}
for _, matchingNode := range matchingNodes {
mergePath := lib.MergePathStackToString(matchingNode.PathStack, appendFlag)
updateCommands = append(updateCommands, yqlib.UpdateCommand{Command: "update", Path: mergePath, Value: matchingNode.Node, Overwrite: overwriteFlag})
}
}
}
return updateDoc(args[0], updateCommands, cmd.OutOrStdout())
}

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package cmd
import (
"github.com/spf13/cobra"
yaml "gopkg.in/yaml.v3"
)
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 newValue",
Example: `
yq new 'a.b.c' cat
yq n 'a.b.c' --tag '!!str' true # force 'true' to be interpreted as a string instead of bool
yq n 'a.b[+]' cat
yq n -- '--key-starting-with-dash' cat # need to use '--' to stop processing arguments as flags
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 creating yaml")
cmdNew.PersistentFlags().StringVarP(&customTag, "tag", "t", "", "set yaml tag (e.g. !!int)")
return cmdNew
}
func newProperty(cmd *cobra.Command, args []string) error {
var updateCommands, updateCommandsError = readUpdateCommands(args, 2, "Must provide <path_to_update> <value>")
if updateCommandsError != nil {
return updateCommandsError
}
newNode := lib.New(updateCommands[0].Path)
for _, updateCommand := range updateCommands {
errorUpdating := lib.Update(&newNode, updateCommand, true)
if errorUpdating != nil {
return errorUpdating
}
}
var encoder = yaml.NewEncoder(cmd.OutOrStdout())
encoder.SetIndent(2)
errorEncoding := encoder.Encode(&newNode)
encoder.Close()
return errorEncoding
}

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cmd/prefix.go Normal file
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package cmd
import (
"github.com/mikefarah/yq/v3/pkg/yqlib"
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
yaml "gopkg.in/yaml.v3"
)
func createPrefixCmd() *cobra.Command {
var cmdPrefix = &cobra.Command{
Use: "prefix [yaml_file] [path]",
Aliases: []string{"p"},
Short: "yq p [--inplace/-i] [--doc/-d index] sample.yaml a.b.c",
Example: `
yq prefix things.yaml 'a.b.c'
yq prefix --inplace things.yaml 'a.b.c'
yq prefix --inplace -- things.yaml '--key-starting-with-dash' # need to use '--' to stop processing arguments as flags
yq p -i things.yaml 'a.b.c'
yq p --doc 2 things.yaml 'a.b.d'
yq p -d2 things.yaml 'a.b.d'
`,
Long: `Prefixes w.r.t to the yaml file at the given path.
Outputs to STDOUT unless the inplace flag is used, in which case the file is updated instead.
`,
RunE: prefixProperty,
}
cmdPrefix.PersistentFlags().BoolVarP(&writeInplace, "inplace", "i", false, "update the yaml file inplace")
cmdPrefix.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
return cmdPrefix
}
func prefixProperty(cmd *cobra.Command, args []string) error {
if len(args) < 2 {
return errors.New("Must provide <filename> <prefixed_path>")
}
updateCommand := yqlib.UpdateCommand{Command: "update", Path: args[1]}
log.Debugf("args %v", args)
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
var updateData = func(dataBucket *yaml.Node, currentIndex int) error {
return prefixDocument(updateAll, docIndexInt, currentIndex, dataBucket, updateCommand)
}
return readAndUpdate(cmd.OutOrStdout(), args[0], updateData)
}

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package cmd
import (
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
)
func createReadCmd() *cobra.Command {
var cmdRead = &cobra.Command{
Use: "read [yaml_file] [path_expression]",
Aliases: []string{"r"},
Short: "yq r [--printMode/-p pv] sample.yaml 'b.e(name==fr*).value'",
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.**.c' # deep splat
yq r things.yaml 'a.(child.subchild==co*).c'
yq r -d1 things.yaml 'a.array[0].blah'
yq r things.yaml 'a.array[*].blah'
yq r -- things.yaml '--key-starting-with-dashes.blah'
`,
Long: "Outputs the value of the given path in the yaml file to STDOUT",
RunE: readProperty,
}
cmdRead.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
cmdRead.PersistentFlags().StringVarP(&printMode, "printMode", "p", "v", "print mode (v (values, default), p (paths), pv (path and value pairs)")
cmdRead.PersistentFlags().StringVarP(&defaultValue, "defaultValue", "D", "", "default value printed when there are no results")
cmdRead.PersistentFlags().BoolVarP(&explodeAnchors, "explodeAnchors", "X", false, "explode anchors")
return cmdRead
}
func readProperty(cmd *cobra.Command, args []string) error {
var path = ""
if len(args) < 1 {
return errors.New("Must provide filename")
} else if len(args) > 1 {
path = args[1]
}
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
matchingNodes, errorReadingStream := readYamlFile(args[0], path, updateAll, docIndexInt)
if errorReadingStream != nil {
return errorReadingStream
}
return printResults(matchingNodes, cmd.OutOrStdout())
}

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package cmd
import (
"os"
"github.com/spf13/cobra"
logging "gopkg.in/op/go-logging.v1"
)
func New() *cobra.Command {
var rootCmd = &cobra.Command{
Use: "yq",
Short: "yq is a lightweight and portable command-line YAML processor.",
Long: `yq is a lightweight and portable command-line YAML processor. It aims to be the jq or sed of yaml files.`,
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(&verbose, "verbose", "v", false, "verbose mode")
rootCmd.PersistentFlags().BoolVarP(&outputToJSON, "tojson", "j", false, "output as json. By default it prints a json document in one line, use the prettyPrint flag to print a formatted doc.")
rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print")
rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
rootCmd.AddCommand(
createReadCmd(),
createCompareCmd(),
createValidateCmd(),
createWriteCmd(),
createPrefixCmd(),
createDeleteCmd(),
createNewCmd(),
createMergeCmd(),
)
rootCmd.SetOutput(os.Stdout)
return rootCmd
}

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package cmd
import (
"bufio"
"fmt"
"io"
"io/ioutil"
"os"
"strconv"
"github.com/mikefarah/yq/v3/pkg/yqlib"
errors "github.com/pkg/errors"
yaml "gopkg.in/yaml.v3"
)
func readYamlFile(filename string, path string, updateAll bool, docIndexInt int) ([]*yqlib.NodeContext, error) {
var matchingNodes []*yqlib.NodeContext
var currentIndex = 0
var errorReadingStream = readStream(filename, func(decoder *yaml.Decoder) error {
for {
var dataBucket yaml.Node
errorReading := decoder.Decode(&dataBucket)
if errorReading == io.EOF {
return handleEOF(updateAll, docIndexInt, currentIndex)
} else if errorReading != nil {
return errorReading
}
var errorParsing error
matchingNodes, errorParsing = appendDocument(matchingNodes, dataBucket, path, updateAll, docIndexInt, currentIndex)
if errorParsing != nil {
return errorParsing
}
if !updateAll && currentIndex == docIndexInt {
log.Debug("all done")
return nil
}
currentIndex = currentIndex + 1
}
})
return matchingNodes, errorReadingStream
}
func handleEOF(updateAll bool, docIndexInt int, currentIndex int) error {
log.Debugf("done %v / %v", currentIndex, docIndexInt)
if !updateAll && currentIndex <= docIndexInt && docIndexInt != 0 {
return fmt.Errorf("Could not process document index %v as there are only %v document(s)", docIndex, currentIndex)
}
return nil
}
func appendDocument(originalMatchingNodes []*yqlib.NodeContext, dataBucket yaml.Node, path string, updateAll bool, docIndexInt int, currentIndex int) ([]*yqlib.NodeContext, error) {
log.Debugf("processing document %v - requested index %v", currentIndex, docIndexInt)
yqlib.DebugNode(&dataBucket)
if !updateAll && currentIndex != docIndexInt {
return originalMatchingNodes, nil
}
log.Debugf("reading %v in document %v", path, currentIndex)
matchingNodes, errorParsing := lib.Get(&dataBucket, path)
if errorParsing != nil {
return nil, errors.Wrapf(errorParsing, "Error reading path in document index %v", currentIndex)
}
return append(originalMatchingNodes, matchingNodes...), nil
}
func printValue(node *yaml.Node, writer io.Writer) error {
if node.Kind == yaml.ScalarNode {
_, errorWriting := writer.Write([]byte(node.Value))
return errorWriting
}
return printNode(node, writer)
}
func printNode(node *yaml.Node, writer io.Writer) error {
var encoder yqlib.Encoder
if outputToJSON {
encoder = yqlib.NewJsonEncoder(writer, prettyPrint, indent)
} else {
encoder = yqlib.NewYamlEncoder(writer, indent)
}
return encoder.Encode(node)
}
func setStyle(matchingNodes []*yqlib.NodeContext, style yaml.Style) {
for _, nodeContext := range matchingNodes {
updateStyleOfNode(nodeContext.Node, style)
}
}
func updateStyleOfNode(node *yaml.Node, style yaml.Style) {
node.Style = style
for _, child := range node.Content {
updateStyleOfNode(child, style)
}
}
func writeString(writer io.Writer, txt string) error {
_, errorWriting := writer.Write([]byte(txt))
return errorWriting
}
func explode(matchingNodes []*yqlib.NodeContext) error {
for _, nodeContext := range matchingNodes {
var targetNode = yaml.Node{Kind: yaml.MappingNode}
explodedNodes, errorRetrieving := lib.Get(nodeContext.Node, "**")
if errorRetrieving != nil {
return errorRetrieving
}
for _, matchingNode := range explodedNodes {
mergePath := lib.MergePathStackToString(matchingNode.PathStack, appendFlag)
updateCommand := yqlib.UpdateCommand{Command: "update", Path: mergePath, Value: matchingNode.Node, Overwrite: overwriteFlag}
errorUpdating := lib.Update(&targetNode, updateCommand, true)
if errorUpdating != nil {
return errorUpdating
}
}
nodeContext.Node = &targetNode
}
return nil
}
func printResults(matchingNodes []*yqlib.NodeContext, writer io.Writer) error {
if prettyPrint {
setStyle(matchingNodes, 0)
}
//always explode anchors when printing json
if explodeAnchors || outputToJSON {
errorExploding := explode(matchingNodes)
if errorExploding != nil {
return errorExploding
}
}
bufferedWriter := bufio.NewWriter(writer)
defer safelyFlush(bufferedWriter)
if len(matchingNodes) == 0 {
log.Debug("no matching results, nothing to print")
if defaultValue != "" {
return writeString(bufferedWriter, defaultValue)
}
return nil
}
var errorWriting error
for index, mappedDoc := range matchingNodes {
switch printMode {
case "p":
errorWriting = writeString(bufferedWriter, lib.PathStackToString(mappedDoc.PathStack))
if errorWriting != nil {
return errorWriting
}
if index < len(matchingNodes)-1 {
errorWriting = writeString(bufferedWriter, "\n")
if errorWriting != nil {
return errorWriting
}
}
case "pv", "vp":
// put it into a node and print that.
var parentNode = yaml.Node{Kind: yaml.MappingNode}
parentNode.Content = make([]*yaml.Node, 2)
parentNode.Content[0] = &yaml.Node{Kind: yaml.ScalarNode, Value: lib.PathStackToString(mappedDoc.PathStack)}
parentNode.Content[1] = mappedDoc.Node
if err := printValue(&parentNode, bufferedWriter); err != nil {
return err
}
default:
if err := printValue(mappedDoc.Node, bufferedWriter); err != nil {
return err
}
// Printing our Scalars does not print a new line at the end
// we only want to do that if there are more values (so users can easily script extraction of values in the yaml)
if index < len(matchingNodes)-1 && mappedDoc.Node.Kind == yaml.ScalarNode {
errorWriting = writeString(bufferedWriter, "\n")
if errorWriting != nil {
return errorWriting
}
}
}
}
return nil
}
func parseDocumentIndex() (bool, int, error) {
if docIndex == "*" {
return true, -1, nil
}
docIndexInt64, err := strconv.ParseInt(docIndex, 10, 32)
if err != nil {
return false, -1, errors.Wrapf(err, "Document index %v is not a integer or *", docIndex)
}
return false, int(docIndexInt64), nil
}
type updateDataFn func(dataBucket *yaml.Node, currentIndex int) error
func mapYamlDecoder(updateData updateDataFn, encoder yqlib.Encoder) yamlDecoderFn {
return func(decoder *yaml.Decoder) error {
var dataBucket yaml.Node
var errorReading error
var errorWriting error
var errorUpdating error
var currentIndex = 0
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
for {
log.Debugf("Read doc %v", currentIndex)
errorReading = decoder.Decode(&dataBucket)
if errorReading == io.EOF && docIndexInt == 0 && currentIndex == 0 {
//empty document, lets just make one
child := yaml.Node{Kind: yaml.MappingNode}
dataBucket = yaml.Node{Kind: yaml.DocumentNode, Content: make([]*yaml.Node, 1)}
dataBucket.Content[0] = &child
} else if errorReading == io.EOF {
if !updateAll && currentIndex <= docIndexInt {
return fmt.Errorf("asked to process document index %v but there are only %v document(s)", docIndex, currentIndex)
}
return nil
} else if errorReading != nil {
return errors.Wrapf(errorReading, "Error reading document at index %v, %v", currentIndex, errorReading)
}
errorUpdating = updateData(&dataBucket, currentIndex)
if errorUpdating != nil {
return errors.Wrapf(errorUpdating, "Error updating document at index %v", currentIndex)
}
if prettyPrint {
updateStyleOfNode(&dataBucket, 0)
}
errorWriting = encoder.Encode(&dataBucket)
if errorWriting != nil {
return errors.Wrapf(errorWriting, "Error writing document at index %v, %v", currentIndex, errorWriting)
}
currentIndex = currentIndex + 1
}
}
}
func prefixDocument(updateAll bool, docIndexInt int, currentIndex int, dataBucket *yaml.Node, updateCommand yqlib.UpdateCommand) error {
if updateAll || currentIndex == docIndexInt {
log.Debugf("Prefixing document %v", currentIndex)
yqlib.DebugNode(dataBucket)
updateCommand.Value = dataBucket.Content[0]
dataBucket.Content = make([]*yaml.Node, 1)
newNode := lib.New(updateCommand.Path)
dataBucket.Content[0] = &newNode
errorUpdating := lib.Update(dataBucket, updateCommand, true)
if errorUpdating != nil {
return errorUpdating
}
}
return nil
}
func updateDoc(inputFile string, updateCommands []yqlib.UpdateCommand, writer io.Writer) error {
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
var updateData = func(dataBucket *yaml.Node, currentIndex int) error {
if updateAll || currentIndex == docIndexInt {
log.Debugf("Updating doc %v", currentIndex)
for _, updateCommand := range updateCommands {
log.Debugf("Processing update to Path %v", updateCommand.Path)
errorUpdating := lib.Update(dataBucket, updateCommand, autoCreateFlag)
if errorUpdating != nil {
return errorUpdating
}
}
}
return nil
}
return readAndUpdate(writer, inputFile, updateData)
}
func readAndUpdate(stdOut io.Writer, inputFile string, updateData updateDataFn) error {
var destination io.Writer
var destinationName string
if writeInplace {
info, err := os.Stat(inputFile)
if err != nil {
return err
}
tempFile, err := ioutil.TempFile("", "temp")
if err != nil {
return err
}
destinationName = tempFile.Name()
err = os.Chmod(destinationName, info.Mode())
if err != nil {
return err
}
destination = tempFile
defer func() {
safelyCloseFile(tempFile)
safelyRenameFile(tempFile.Name(), inputFile)
}()
} else {
destination = stdOut
destinationName = "Stdout"
}
log.Debugf("Writing to %v from %v", destinationName, inputFile)
bufferedWriter := bufio.NewWriter(destination)
defer safelyFlush(bufferedWriter)
var encoder yqlib.Encoder
if outputToJSON {
encoder = yqlib.NewJsonEncoder(bufferedWriter, prettyPrint, indent)
} else {
encoder = yqlib.NewYamlEncoder(bufferedWriter, indent)
}
return readStream(inputFile, mapYamlDecoder(updateData, encoder))
}
type updateCommandParsed struct {
Command string
Path string
Value yaml.Node
}
func readUpdateCommands(args []string, expectedArgs int, badArgsMessage string) ([]yqlib.UpdateCommand, error) {
var updateCommands []yqlib.UpdateCommand = make([]yqlib.UpdateCommand, 0)
if writeScript != "" {
var parsedCommands = make([]updateCommandParsed, 0)
err := readData(writeScript, 0, &parsedCommands)
if err != nil && err != io.EOF {
return nil, err
}
log.Debugf("Read write commands file '%v'", parsedCommands)
for index := range parsedCommands {
parsedCommand := parsedCommands[index]
updateCommand := yqlib.UpdateCommand{Command: parsedCommand.Command, Path: parsedCommand.Path, Value: &parsedCommand.Value, Overwrite: true}
updateCommands = append(updateCommands, updateCommand)
}
log.Debugf("Read write commands file '%v'", updateCommands)
} else if len(args) < expectedArgs {
return nil, errors.New(badArgsMessage)
} else {
updateCommands = make([]yqlib.UpdateCommand, 1)
log.Debug("args %v", args)
log.Debug("path %v", args[expectedArgs-2])
log.Debug("Value %v", args[expectedArgs-1])
updateCommands[0] = yqlib.UpdateCommand{Command: "update", Path: args[expectedArgs-2], Value: valueParser.Parse(args[expectedArgs-1], customTag), Overwrite: true}
}
return updateCommands, nil
}
func safelyRenameFile(from string, to string) {
if renameError := os.Rename(from, to); renameError != nil {
log.Debugf("Error renaming from %v to %v, attempting to copy contents", from, to)
log.Debug(renameError.Error())
// can't do this rename when running in docker to a file targeted in a mounted volume,
// so gracefully degrade to copying the entire contents.
if copyError := copyFileContents(from, to); copyError != nil {
log.Errorf("Failed copying from %v to %v", from, to)
log.Error(copyError.Error())
} else {
removeErr := os.Remove(from)
if removeErr != nil {
log.Errorf("failed removing original file: %s", from)
}
}
}
}
// thanks https://stackoverflow.com/questions/21060945/simple-way-to-copy-a-file-in-golang
func copyFileContents(src, dst string) (err error) {
in, err := os.Open(src) // nolint gosec
if err != nil {
return err
}
defer safelyCloseFile(in)
out, err := os.Create(dst)
if err != nil {
return err
}
defer safelyCloseFile(out)
if _, err = io.Copy(out, in); err != nil {
return err
}
return out.Sync()
}
func safelyFlush(writer *bufio.Writer) {
if err := writer.Flush(); err != nil {
log.Error("Error flushing writer!")
log.Error(err.Error())
}
}
func safelyCloseFile(file *os.File) {
err := file.Close()
if err != nil {
log.Error("Error closing file!")
log.Error(err.Error())
}
}
type yamlDecoderFn func(*yaml.Decoder) error
func readStream(filename string, yamlDecoder yamlDecoderFn) error {
if filename == "" {
return errors.New("Must provide filename")
}
var stream io.Reader
if filename == "-" {
stream = bufio.NewReader(os.Stdin)
} else {
file, err := os.Open(filename) // nolint gosec
if err != nil {
return err
}
defer safelyCloseFile(file)
stream = file
}
return yamlDecoder(yaml.NewDecoder(stream))
}
func readData(filename string, indexToRead int, parsedData interface{}) error {
return readStream(filename, func(decoder *yaml.Decoder) error {
for currentIndex := 0; currentIndex < indexToRead; currentIndex++ {
errorSkipping := decoder.Decode(parsedData)
if errorSkipping != nil {
return errors.Wrapf(errorSkipping, "Error processing document at index %v, %v", currentIndex, errorSkipping)
}
}
return decoder.Decode(parsedData)
})
}

37
cmd/validate.go Normal file
View File

@@ -0,0 +1,37 @@
package cmd
import (
errors "github.com/pkg/errors"
"github.com/spf13/cobra"
)
func createValidateCmd() *cobra.Command {
var cmdRead = &cobra.Command{
Use: "validate [yaml_file]",
Aliases: []string{"v"},
Short: "yq v sample.yaml",
Example: `
yq v - # reads from stdin
`,
RunE: validateProperty,
SilenceUsage: true,
SilenceErrors: true,
}
cmdRead.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
return cmdRead
}
func validateProperty(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("Must provide filename")
}
var updateAll, docIndexInt, errorParsingDocIndex = parseDocumentIndex()
if errorParsingDocIndex != nil {
return errorParsingDocIndex
}
_, errorReadingStream := readYamlFile(args[0], "", updateAll, docIndexInt)
return errorReadingStream
}

View File

@@ -1,4 +1,4 @@
package main
package cmd
import (
"fmt"
@@ -11,7 +11,7 @@ var (
GitDescribe string
// Version is main version number that is being run at the moment.
Version = "2.3.0"
Version = "3.1.0"
// 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

View File

@@ -1,4 +1,4 @@
package main
package cmd
import "testing"

57
cmd/write.go Normal file
View File

@@ -0,0 +1,57 @@
package cmd
import (
"github.com/spf13/cobra"
)
func createWriteCmd() *cobra.Command {
var cmdWrite = &cobra.Command{
Use: "write [yaml_file] [path_expression] [value]",
Aliases: []string{"w"},
Short: "yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml 'b.e(name==fr*).value' newValue",
Example: `
yq write things.yaml 'a.b.c' true
yq write things.yaml 'a.*.c' true
yq write things.yaml 'a.**' true
yq write things.yaml 'a.(child.subchild==co*).c' true
yq write things.yaml 'a.b.c' --tag '!!str' true # force 'true' to be interpreted as a string instead of bool
yq write things.yaml 'a.b.c' --tag '!!float' 3
yq write --inplace -- things.yaml 'a.b.c' '--cat' # need to use '--' to stop processing arguments as flags
yq w -i things.yaml 'a.b.c' cat
yq w -i -s update_script.yaml things.yaml
yq w things.yaml 'a.b.d[+]' foo # appends a new node to the 'd' array
yq w --doc 2 things.yaml 'a.b.d[+]' foo # updates the 3rd document of the yaml file
`,
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 update. Update script
format is list of update commands (update or delete) like so:
---
- command: update
path: b.c
value:
#great
things: frog # wow!
- command: delete
path: b.d
`,
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")
cmdWrite.PersistentFlags().StringVarP(&customTag, "tag", "t", "", "set yaml tag (e.g. !!int)")
cmdWrite.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
return cmdWrite
}
func writeProperty(cmd *cobra.Command, args []string) error {
var updateCommands, updateCommandsError = readUpdateCommands(args, 3, "Must provide <filename> <path_to_update> <value>")
if updateCommandsError != nil {
return updateCommandsError
}
return updateDoc(args[0], updateCommands, cmd.OutOrStdout())
}

File diff suppressed because it is too large Load Diff

13
compare.sh Executable file
View File

@@ -0,0 +1,13 @@
GREEN='\033[0;32m'
NC='\033[0m'
echo "${GREEN}---Old---${NC}"
yq $@ > /tmp/yq-old-output
cat /tmp/yq-old-output
echo "${GREEN}---New---${NC}"
./yq $@ > /tmp/yq-new-output
cat /tmp/yq-new-output
echo "${GREEN}---Diff---${NC}"
colordiff /tmp/yq-old-output /tmp/yq-new-output

View File

@@ -1,282 +0,0 @@
package main
import (
"fmt"
"strconv"
yaml "gopkg.in/mikefarah/yaml.v2"
)
func entryInSlice(context yaml.MapSlice, key interface{}) *yaml.MapItem {
for idx := range context {
var entry = &context[idx]
if entry.Key == key {
return entry
}
}
return nil
}
func getMapSlice(context interface{}) yaml.MapSlice {
var mapSlice yaml.MapSlice
switch context := context.(type) {
case yaml.MapSlice:
mapSlice = context
default:
mapSlice = make(yaml.MapSlice, 0)
}
return mapSlice
}
func getArray(context interface{}) (array []interface{}, ok bool) {
switch context := context.(type) {
case []interface{}:
array = context
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) // nolint
// writeArray is only called by updatedChildValue which handles parsing the
// index, as such this renders this dead code.
}
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 := value.(type) {
case []interface{}:
if head == "*" {
return readArraySplat(value, tail)
}
index, err := strconv.ParseInt(head, 10, 64)
if err != nil {
return nil, fmt.Errorf("error accessing array: %v", err)
}
return readArray(value, index, tail)
case yaml.MapSlice:
return readMap(value, head, tail)
default:
return nil, nil
}
}
func readArray(array []interface{}, head int64, tail []string) (interface{}, error) {
if head >= int64(len(array)) {
return nil, nil
}
value := array[head]
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 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)
}

View File

@@ -1,387 +0,0 @@
package main
import (
"fmt"
"sort"
"testing"
yaml "gopkg.in/mikefarah/yaml.v2"
)
func TestReadMap_simple(t *testing.T) {
var data = parseData(`
---
b:
c: 2
`)
got, _ := readMap(data, "b", []string{"c"})
assertResult(t, 2, got)
}
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) {
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) {
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) {
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
`)
updated := writeMap(data, []string{"b", "c"}, "4")
b := entryInSlice(updated, "b").Value.(yaml.MapSlice)
c := entryInSlice(b, "c").Value
assertResult(t, "4", c)
}
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 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))
}

View File

@@ -2,7 +2,7 @@
<!DOCTYPE html>
<!doctype html>
<html lang="en" class="no-js">
<head>
@@ -32,7 +32,7 @@
<meta name="lang:search.tokenizer" content="[\s\-]+">
<link rel="shortcut icon" href="/assets/images/favicon.png">
<meta name="generator" content="mkdocs-1.0.4, mkdocs-material-3.1.0">
<meta name="generator" content="mkdocs-1.0.4, mkdocs-material-4.6.0">
@@ -40,17 +40,17 @@
<link rel="stylesheet" href="/assets/stylesheets/application.11e41852.css">
<link rel="stylesheet" href="/assets/stylesheets/application.1b62728e.css">
<script src="/assets/javascripts/modernizr.20ef595d.js"></script>
<script src="/assets/javascripts/modernizr.268332fc.js"></script>
<link href="https://fonts.gstatic.com" rel="preconnect" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700|Roboto+Mono">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&display=fallback">
<style>body,input{font-family:"Roboto","Helvetica Neue",Helvetica,Arial,sans-serif}code,kbd,pre{font-family:"Roboto Mono","Courier New",Courier,monospace}</style>
@@ -58,6 +58,9 @@
</head>
<body dir="ltr">
@@ -66,24 +69,7 @@
<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 19-18.125
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18.125 8.5 10.75 19 3.125 20.5zM320 304q0 10-3.125 20.5t-10.75
19-18.125 8.5-18.125-8.5-10.75-19-3.125-20.5 3.125-20.5 10.75-19
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</defs>
</svg>
@@ -108,21 +94,20 @@
<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 class="md-header-nav__topic">
Yq
</span>
<span class="md-header-nav__topic">
</span>
</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>
<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>
@@ -147,7 +132,6 @@
</div>
</div>
</div>
<div class="md-flex__cell md-flex__cell--shrink">
@@ -157,20 +141,18 @@
<a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
<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 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>
</a>
<div class="md-source__repository">
mikefarah/yq
</div>
</a>
</div>
</div>
@@ -183,7 +165,7 @@
<main class="md-main">
<main class="md-main" role="main">
<div class="md-main__inner md-grid" data-md-component="container">
@@ -206,20 +188,18 @@
<a href="https://github.com/mikefarah/yq/" title="Go to repository" class="md-source" data-md-source="github">
<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 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>
</a>
<div class="md-source__repository">
mikefarah/yq
</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix>
@@ -230,92 +210,8 @@
<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="/prefix/" title="Prefix" class="md-nav__link">
Prefix
</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 href="/." title="Home" class="md-nav__link">
Home
</a>
</li>
@@ -357,30 +253,16 @@
Material for MkDocs</a>
</div>
<div class="md-footer-social">
<link rel="stylesheet" href="/assets/fonts/font-awesome.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.9e1f3b71.js"></script>
<script src="/assets/javascripts/application.808e90bb.js"></script>
<script>app.initialize({version:"1.0.4",url:{base:"/"}})</script>
</body>
</html>

View File

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/*!
* Lunr languages, `Danish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!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,m,i;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--",e.da.trimmer=e.trimmerSupport.generateTrimmer(e.da.wordCharacters),e.Pipeline.registerFunction(e.da.trimmer,"trimmer-da"),e.da.stemmer=(r=e.stemmerSupport.Among,m=e.stemmerSupport.SnowballProgram,i=new function(){var i,t,n,s=[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)],o=[new r("gd",-1,-1),new r("dt",-1,-1),new r("gt",-1,-1),new r("kt",-1,-1)],a=[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)],d=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],u=[239,254,42,3,0,0,0,0,0,0,0,0,0,0,0,0,16],c=new m;function l(){var e,r=c.limit-c.cursor;c.cursor>=t&&(e=c.limit_backward,c.limit_backward=t,c.ket=c.cursor,c.find_among_b(o,4)?(c.bra=c.cursor,c.limit_backward=e,c.cursor=c.limit-r,c.cursor>c.limit_backward&&(c.cursor--,c.bra=c.cursor,c.slice_del())):c.limit_backward=e)}this.setCurrent=function(e){c.setCurrent(e)},this.getCurrent=function(){return c.getCurrent()},this.stem=function(){var e,r=c.cursor;return function(){var e,r=c.cursor+3;if(t=c.limit,0<=r&&r<=c.limit){for(i=r;;){if(e=c.cursor,c.in_grouping(d,97,248)){c.cursor=e;break}if((c.cursor=e)>=c.limit)return;c.cursor++}for(;!c.out_grouping(d,97,248);){if(c.cursor>=c.limit)return;c.cursor++}(t=c.cursor)<i&&(t=i)}}(),c.limit_backward=r,c.cursor=c.limit,function(){var e,r;if(c.cursor>=t&&(r=c.limit_backward,c.limit_backward=t,c.ket=c.cursor,e=c.find_among_b(s,32),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:c.in_grouping_b(u,97,229)&&c.slice_del()}}(),c.cursor=c.limit,l(),c.cursor=c.limit,function(){var e,r,i,n=c.limit-c.cursor;if(c.ket=c.cursor,c.eq_s_b(2,"st")&&(c.bra=c.cursor,c.eq_s_b(2,"ig")&&c.slice_del()),c.cursor=c.limit-n,c.cursor>=t&&(r=c.limit_backward,c.limit_backward=t,c.ket=c.cursor,e=c.find_among_b(a,5),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del(),i=c.limit-c.cursor,l(),c.cursor=c.limit-i;break;case 2:c.slice_from("løs")}}(),c.cursor=c.limit,c.cursor>=t&&(e=c.limit_backward,c.limit_backward=t,c.ket=c.cursor,c.out_grouping_b(d,97,248)?(c.bra=c.cursor,n=c.slice_to(n),c.limit_backward=e,c.eq_v_b(n)&&c.slice_del()):c.limit_backward=e),!0}},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.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")}});

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/*!
* Lunr languages, `Japanese` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Chad Liu
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(m){if(void 0===m)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===m.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var l="2"==m.version[0];m.ja=function(){this.pipeline.reset(),this.pipeline.add(m.ja.trimmer,m.ja.stopWordFilter,m.ja.stemmer),l?this.tokenizer=m.ja.tokenizer:(m.tokenizer&&(m.tokenizer=m.ja.tokenizer),this.tokenizerFn&&(this.tokenizerFn=m.ja.tokenizer))};var j=new m.TinySegmenter;m.ja.tokenizer=function(e){var r,t,i,n,o,s,p,a,u;if(!arguments.length||null==e||null==e)return[];if(Array.isArray(e))return e.map(function(e){return l?new m.Token(e.toLowerCase()):e.toLowerCase()});for(r=(t=e.toString().toLowerCase().replace(/^\s+/,"")).length-1;0<=r;r--)if(/\S/.test(t.charAt(r))){t=t.substring(0,r+1);break}for(o=[],i=t.length,p=a=0;a<=i;a++)if(s=a-p,t.charAt(a).match(/\s/)||a==i){if(0<s)for(n=j.segment(t.slice(p,a)).filter(function(e){return!!e}),u=p,r=0;r<n.length;r++)l?o.push(new m.Token(n[r],{position:[u,n[r].length],index:o.length})):o.push(n[r]),u+=n[r].length;p=a+1}return o},m.ja.stemmer=function(e){return e},m.Pipeline.registerFunction(m.ja.stemmer,"stemmer-ja"),m.ja.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-Z--0-9-",m.ja.trimmer=m.trimmerSupport.generateTrimmer(m.ja.wordCharacters),m.Pipeline.registerFunction(m.ja.trimmer,"trimmer-ja"),m.ja.stopWordFilter=m.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(" ")),m.Pipeline.registerFunction(m.ja.stopWordFilter,"stopWordFilter-ja"),m.jp=m.ja,m.Pipeline.registerFunction(m.jp.stemmer,"stemmer-jp"),m.Pipeline.registerFunction(m.jp.trimmer,"trimmer-jp"),m.Pipeline.registerFunction(m.jp.stopWordFilter,"stopWordFilter-jp")}});

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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(n){if(void 0===n)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===n.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var i="2"==n.version[0];n.jp=function(){this.pipeline.reset(),this.pipeline.add(n.jp.stopWordFilter,n.jp.stemmer),i?this.tokenizer=n.jp.tokenizer:(n.tokenizer&&(n.tokenizer=n.jp.tokenizer),this.tokenizerFn&&(this.tokenizerFn=n.jp.tokenizer))};var o=new n.TinySegmenter;n.jp.tokenizer=function(e){if(!arguments.length||null==e||null==e)return[];if(Array.isArray(e))return e.map(function(e){return i?new n.Token(e.toLowerCase()):e.toLowerCase()});for(var r=e.toString().toLowerCase().replace(/^\s+/,""),t=r.length-1;0<=t;t--)if(/\S/.test(r.charAt(t))){r=r.substring(0,t+1);break}return o.segment(r).filter(function(e){return!!e}).map(function(e){return i?new n.Token(e):e})},n.jp.stemmer=function(e){return e},n.Pipeline.registerFunction(n.jp.stemmer,"stemmer-jp"),n.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-Z--0-9-",n.jp.stopWordFilter=function(e){if(-1===n.jp.stopWordFilter.stopWords.indexOf(i?e.toString():e))return e},n.jp.stopWordFilter=n.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(" ")),n.Pipeline.registerFunction(n.jp.stopWordFilter,"stopWordFilter-jp")}});
module.exports=require("./lunr.ja");

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!function(e,i){"function"==typeof define&&define.amd?define(i):"object"==typeof exports?module.exports=i():i()(e.lunr)}(this,function(){return function(o){o.multiLanguage=function(){for(var e=Array.prototype.slice.call(arguments),i=e.join("-"),t="",r=[],n=[],s=0;s<e.length;++s)"en"==e[s]?(t+="\\w",r.unshift(o.stopWordFilter),r.push(o.stemmer),n.push(o.stemmer)):(t+=o[e[s]].wordCharacters,r.unshift(o[e[s]].stopWordFilter),r.push(o[e[s]].stemmer),n.push(o[e[s]].stemmer));var p=o.trimmerSupport.generateTrimmer(t);return o.Pipeline.registerFunction(p,"lunr-multi-trimmer-"+i),r.unshift(p),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,r),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,n))}}}});
!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():t()(e.lunr)}(this,function(){return function(o){o.multiLanguage=function(){for(var e=Array.prototype.slice.call(arguments),t=e.join("-"),i="",r=[],n=[],s=0;s<e.length;++s)"en"==e[s]?(i+="\\w",r.unshift(o.stopWordFilter),r.push(o.stemmer),n.push(o.stemmer)):(i+=o[e[s]].wordCharacters,o[e[s]].stopWordFilter&&r.unshift(o[e[s]].stopWordFilter),o[e[s]].stemmer&&(r.push(o[e[s]].stemmer),n.push(o[e[s]].stemmer)));var p=o.trimmerSupport.generateTrimmer(i);return o.Pipeline.registerFunction(p,"lunr-multi-trimmer-"+t),r.unshift(p),function(){this.pipeline.reset(),this.pipeline.add.apply(this.pipeline,r),this.searchPipeline&&(this.searchPipeline.reset(),this.searchPipeline.add.apply(this.searchPipeline,n))}}}});

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/*!
* Lunr languages, `Norwegian` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!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,n,i;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--",e.no.trimmer=e.trimmerSupport.generateTrimmer(e.no.wordCharacters),e.Pipeline.registerFunction(e.no.trimmer,"trimmer-no"),e.no.stemmer=(r=e.stemmerSupport.Among,n=e.stemmerSupport.SnowballProgram,i=new function(){var o,s,a=[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)],m=[new r("dt",-1,-1),new r("vt",-1,-1)],l=[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)],u=[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,48,0,128],d=[119,125,149,1],c=new n;this.setCurrent=function(e){c.setCurrent(e)},this.getCurrent=function(){return c.getCurrent()},this.stem=function(){var e,r,n,i,t=c.cursor;return function(){var e,r=c.cursor+3;if(s=c.limit,0<=r||r<=c.limit){for(o=r;;){if(e=c.cursor,c.in_grouping(u,97,248)){c.cursor=e;break}if(e>=c.limit)return;c.cursor=e+1}for(;!c.out_grouping(u,97,248);){if(c.cursor>=c.limit)return;c.cursor++}(s=c.cursor)<o&&(s=o)}}(),c.limit_backward=t,c.cursor=c.limit,function(){var e,r,n;if(c.cursor>=s&&(r=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,e=c.find_among_b(a,29),c.limit_backward=r,e))switch(c.bra=c.cursor,e){case 1:c.slice_del();break;case 2:n=c.limit-c.cursor,c.in_grouping_b(d,98,122)?c.slice_del():(c.cursor=c.limit-n,c.eq_s_b(1,"k")&&c.out_grouping_b(u,97,248)&&c.slice_del());break;case 3:c.slice_from("er")}}(),c.cursor=c.limit,r=c.limit-c.cursor,c.cursor>=s&&(e=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,c.find_among_b(m,2)?(c.bra=c.cursor,c.limit_backward=e,c.cursor=c.limit-r,c.cursor>c.limit_backward&&(c.cursor--,c.bra=c.cursor,c.slice_del())):c.limit_backward=e),c.cursor=c.limit,c.cursor>=s&&(i=c.limit_backward,c.limit_backward=s,c.ket=c.cursor,(n=c.find_among_b(l,11))?(c.bra=c.cursor,c.limit_backward=i,1==n&&c.slice_del()):c.limit_backward=i),!0}},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")}});

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/*!
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!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 b;return{bra:0,ket:0,limit:0,cursor:0,limit_backward:0,setCurrent:function(r){b=r,this.cursor=0,this.limit=r.length,this.limit_backward=0,this.bra=this.cursor,this.ket=this.limit},getCurrent:function(){var r=b;return b=null,r},in_grouping:function(r,t,i){if(this.cursor<this.limit){var s=b.charCodeAt(this.cursor);if(s<=i&&t<=s&&r[(s-=t)>>3]&1<<(7&s))return this.cursor++,!0}return!1},in_grouping_b:function(r,t,i){if(this.cursor>this.limit_backward){var s=b.charCodeAt(this.cursor-1);if(s<=i&&t<=s&&r[(s-=t)>>3]&1<<(7&s))return this.cursor--,!0}return!1},out_grouping:function(r,t,i){if(this.cursor<this.limit){var s=b.charCodeAt(this.cursor);if(i<s||s<t)return this.cursor++,!0;if(!(r[(s-=t)>>3]&1<<(7&s)))return this.cursor++,!0}return!1},out_grouping_b:function(r,t,i){if(this.cursor>this.limit_backward){var s=b.charCodeAt(this.cursor-1);if(i<s||s<t)return this.cursor--,!0;if(!(r[(s-=t)>>3]&1<<(7&s)))return this.cursor--,!0}return!1},eq_s:function(r,t){if(this.limit-this.cursor<r)return!1;for(var i=0;i<r;i++)if(b.charCodeAt(this.cursor+i)!=t.charCodeAt(i))return!1;return this.cursor+=r,!0},eq_s_b:function(r,t){if(this.cursor-this.limit_backward<r)return!1;for(var i=0;i<r;i++)if(b.charCodeAt(this.cursor-r+i)!=t.charCodeAt(i))return!1;return this.cursor-=r,!0},find_among:function(r,t){for(var i=0,s=t,e=this.cursor,n=this.limit,u=0,o=0,h=!1;;){for(var c=i+(s-i>>1),a=0,f=u<o?u:o,l=r[c],_=f;_<l.s_size;_++){if(e+f==n){a=-1;break}if(a=b.charCodeAt(e+f)-l.s[_])break;f++}if(a<0?(s=c,o=f):(i=c,u=f),s-i<=1){if(0<i||s==i||h)break;h=!0}}for(;;){if(u>=(l=r[i]).s_size){if(this.cursor=e+l.s_size,!l.method)return l.result;var m=l.method();if(this.cursor=e+l.s_size,m)return l.result}if((i=l.substring_i)<0)return 0}},find_among_b:function(r,t){for(var i=0,s=t,e=this.cursor,n=this.limit_backward,u=0,o=0,h=!1;;){for(var c=i+(s-i>>1),a=0,f=u<o?u:o,l=(_=r[c]).s_size-1-f;0<=l;l--){if(e-f==n){a=-1;break}if(a=b.charCodeAt(e-1-f)-_.s[l])break;f++}if(a<0?(s=c,o=f):(i=c,u=f),s-i<=1){if(0<i||s==i||h)break;h=!0}}for(;;){var _;if(u>=(_=r[i]).s_size){if(this.cursor=e-_.s_size,!_.method)return _.result;var m=_.method();if(this.cursor=e-_.s_size,m)return _.result}if((i=_.substring_i)<0)return 0}},replace_s:function(r,t,i){var s=i.length-(t-r);return b=b.substring(0,r)+i+b.substring(t),this.limit+=s,this.cursor>=t?this.cursor+=s:this.cursor>r&&(this.cursor=r),s},slice_check:function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>b.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(),b.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,"")}}}}});

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/*!
* Lunr languages, `Swedish` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2014, Mihai Valentin
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!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,l,n;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--",e.sv.trimmer=e.trimmerSupport.generateTrimmer(e.sv.wordCharacters),e.Pipeline.registerFunction(e.sv.trimmer,"trimmer-sv"),e.sv.stemmer=(r=e.stemmerSupport.Among,l=e.stemmerSupport.SnowballProgram,n=new function(){var n,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],m=new l;this.setCurrent=function(e){m.setCurrent(e)},this.getCurrent=function(){return m.getCurrent()},this.stem=function(){var e,r=m.cursor;return function(){var e,r=m.cursor+3;if(t=m.limit,0<=r||r<=m.limit){for(n=r;;){if(e=m.cursor,m.in_grouping(o,97,246)){m.cursor=e;break}if(m.cursor=e,m.cursor>=m.limit)return;m.cursor++}for(;!m.out_grouping(o,97,246);){if(m.cursor>=m.limit)return;m.cursor++}(t=m.cursor)<n&&(t=n)}}(),m.limit_backward=r,m.cursor=m.limit,function(){var e,r=m.limit_backward;if(m.cursor>=t&&(m.limit_backward=t,m.cursor=m.limit,m.ket=m.cursor,e=m.find_among_b(i,37),m.limit_backward=r,e))switch(m.bra=m.cursor,e){case 1:m.slice_del();break;case 2:m.in_grouping_b(u,98,121)&&m.slice_del()}}(),m.cursor=m.limit,e=m.limit_backward,m.cursor>=t&&(m.limit_backward=t,m.cursor=m.limit,m.find_among_b(s,7)&&(m.cursor=m.limit,m.ket=m.cursor,m.cursor>m.limit_backward&&(m.bra=--m.cursor,m.slice_del())),m.limit_backward=e),m.cursor=m.limit,function(){var e,r;if(m.cursor>=t){if(r=m.limit_backward,m.limit_backward=t,m.cursor=m.limit,m.ket=m.cursor,e=m.find_among_b(a,5))switch(m.bra=m.cursor,e){case 1:m.slice_del();break;case 2:m.slice_from("lös");break;case 3:m.slice_from("full")}m.limit_backward=r}}(),!0}},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.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")}});

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/*!
* Lunr languages, `Thai` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2017, Keerati Thiwanruk
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!function(e,r){"function"==typeof define&&define.amd?define(r):"object"==typeof exports?module.exports=r():r()(e.lunr)}(this,function(){return function(t){if(void 0===t)throw new Error("Lunr is not present. Please include / require Lunr before this script.");if(void 0===t.stemmerSupport)throw new Error("Lunr stemmer support is not present. Please include / require Lunr stemmer support before this script.");var i="2"==t.version[0];t.th=function(){this.pipeline.reset(),this.pipeline.add(t.th.trimmer),i?this.tokenizer=t.th.tokenizer:(t.tokenizer&&(t.tokenizer=t.th.tokenizer),this.tokenizerFn&&(this.tokenizerFn=t.th.tokenizer))},t.th.wordCharacters="[฀-๿]",t.th.trimmer=t.trimmerSupport.generateTrimmer(t.th.wordCharacters),t.Pipeline.registerFunction(t.th.trimmer,"trimmer-th");var n=t.wordcut;n.init(),t.th.tokenizer=function(e){if(!arguments.length||null==e||null==e)return[];if(Array.isArray(e))return e.map(function(e){return i?new t.Token(e):e});var r=e.toString().replace(/^\s+/,"");return n.cut(r).split("|")}}});

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/*!
* Lunr languages, `Vietnamese` language
* https://github.com/MihaiValentin/lunr-languages
*
* Copyright 2017, Keerati Thiwanruk
* http://www.mozilla.org/MPL/
*/
/*!
* based on
* Snowball JavaScript Library v0.3
* http://code.google.com/p/urim/
* http://snowball.tartarus.org/
*
* Copyright 2010, Oleg Mazko
* http://www.mozilla.org/MPL/
*/
!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.vi=function(){this.pipeline.reset(),this.pipeline.add(e.vi.stopWordFilter,e.vi.trimmer)},e.vi.wordCharacters="[A-Za-ẓ̀͐́͑̉̃̓ÂâÊêÔôĂ-ăĐ-đƠ-ơƯ-ư]",e.vi.trimmer=e.trimmerSupport.generateTrimmer(e.vi.wordCharacters),e.Pipeline.registerFunction(e.vi.trimmer,"trimmer-vi"),e.vi.stopWordFilter=e.generateStopWordFilter("là cái nhưng mà".split(" "))}});

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<!DOCTYPE html>
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<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 only be used with the read command.</p>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">b:
c: 2
</code></pre>
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</code></pre>
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<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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<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. Currently this does not support creating multiple documents in a single 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>
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Deleting nodes in-place
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Multiple Documents - delete from single document
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Multiple Documents - delete from all documents
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<h1>Delete</h1>
<pre><code>yq d &lt;yaml_file&gt; &lt;path_to_delete&gt;
</code></pre>
<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="multiple-documents-delete-from-single-document">Multiple Documents - delete from single document<a class="headerlink" href="#multiple-documents-delete-from-single-document" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">something: else
field: leaveMe
---
b:
c: 2
field: deleteMe
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -d1 sample.yaml field
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
field: leaveMe
---
b:
c: 2
</code></pre>
<h3 id="multiple-documents-delete-from-all-documents">Multiple Documents - delete from all documents<a class="headerlink" href="#multiple-documents-delete-from-all-documents" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">something: else
field: deleteMe
---
b:
c: 2
field: deleteMeToo
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -d'*' sample.yaml field
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
---
b:
c: 2
</code></pre>
<p>Note that '*' is in quotes to avoid 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>
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@@ -91,7 +77,7 @@
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@@ -161,20 +119,18 @@
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<h1>New documentation website</h1>
<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>User docs are better than ever, and have been <a href="https://mikefarah.gitbook.io/yq">moved here</a></p>
<p>On Ubuntu and other Linux distros supporting <code>snap</code> packages:</p>
<pre><code>snap install yq
</code></pre>
<p>On Ubuntu 16.04 or higher from Debian package:</p>
<pre><code>sudo add-apt-repository ppa:rmescandon/yq
sudo apt update
sudo apt install yq -y
</code></pre>
<p>or, <a href="https://github.com/mikefarah/yq/releases/latest">Download latest binary</a> or alternatively:</p>
<pre><code>go get gopkg.in/mikefarah/yq.v2
</code></pre>
<p><a href="https://github.com/mikefarah/yq">View on GitHub</a></p>
@@ -448,27 +176,6 @@ sudo apt install yq -y
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Overwrite values
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Overwrite values with arrays
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Append values with arrays
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Multiple Documents - merge into single document
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<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&gt; &lt;path&gt;...
</code></pre>
<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: [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: [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. </p>
<h3 id="append-values-with-arrays">Append values with arrays<a class="headerlink" href="#append-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]
d: hi
</code></pre>
<p>and data3.yaml file of:</p>
<pre><code class="yaml">a: something
b: [3, 4]
c:
test: 2
other: true
</code></pre>
<p>then</p>
<pre><code class="bash">yq m -a data1.yaml data3.yaml
</code></pre>
<p>will output:</p>
<pre><code class="yaml">a: simple
b: [1, 2, 3, 4]
c:
test: 2
other: true
d: hi
</code></pre>
<p>Note that the 'b' array has concatenated the values from the second data file. Also note that other map keys are not overridden (field a).</p>
<p>Append cannot be used with overwrite, if both flags are given then append is ignored.</p>
<h3 id="multiple-documents-merge-into-single-document">Multiple Documents - merge into single document<a class="headerlink" href="#multiple-documents-merge-into-single-document" title="Permanent link">&para;</a></h3>
<p>Currently yq only has multi-document support for the <em>first</em> document being merged into. The remaining yaml files will have their first document selected.</p>
<p>Given a data1.yaml file of:</p>
<pre><code class="yaml">something: else
---
a: simple
b: cat
</code></pre>
<p>and data3.yaml file of:</p>
<pre><code class="yaml">b: dog
</code></pre>
<p>then</p>
<pre><code class="bash">yq m -x -d1 data1.yaml data3.yaml
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
---
a: simple
b: dog
</code></pre>
<h3 id="multiple-documents-merge-into-all-documents">Multiple Documents - merge into all documents<a class="headerlink" href="#multiple-documents-merge-into-all-documents" title="Permanent link">&para;</a></h3>
<p>Currently yq only has multi-document support for the <em>first</em> document being merged into. The remaining yaml files will have their first document selected.</p>
<p>Given a data1.yaml file of:</p>
<pre><code class="yaml">something: else
---
a: simple
b: cat
</code></pre>
<p>and data3.yaml file of:</p>
<pre><code class="yaml">b: dog
</code></pre>
<p>then</p>
<pre><code class="bash">yq m -x -d'*' data1.yaml data3.yaml
</code></pre>
<p>will output:</p>
<pre><code class="yaml">b: dog
something: else
---
a: simple
b: dog
</code></pre>
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<h1>Prefix</h1>
<p>Paths can be prefixed using the 'prefix' command.
The complete yaml content will be nested inside the new prefix path.</p>
<pre><code>yq p &lt;yaml_file&gt; &lt;path&gt;
</code></pre>
<h3 id="to-stdout">To Stdout<a class="headerlink" href="#to-stdout" title="Permanent link">&para;</a></h3>
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b: [1, 2]
</code></pre>
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<pre><code class="bash">yq p data1.yaml c
</code></pre>
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<pre><code class="yaml">c:
a: simple
b: [1, 2]
</code></pre>
<h3 id="arbitrary-depth">Arbitrary depth<a class="headerlink" href="#arbitrary-depth" title="Permanent link">&para;</a></h3>
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b: [1, 2]
</code></pre>
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</code></pre>
<p>will output:</p>
<pre><code class="yaml">c:
d:
a:
b: [1, 2]
</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>then</p>
<pre><code class="bash">yq p -i data1.yaml c
</code></pre>
<p>will update the data1.yaml file so that the path 'c' is prefixed to all other paths.</p>
<h3 id="multiple-documents-prefix-a-single-document">Multiple Documents - prefix a single document<a class="headerlink" href="#multiple-documents-prefix-a-single-document" title="Permanent link">&para;</a></h3>
<p>Given a data1.yaml file of:</p>
<pre><code class="yaml">something: else
---
a: simple
b: cat
</code></pre>
<p>then</p>
<pre><code class="bash">yq p -d1 data1.yaml c
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
---
c:
a: simple
b: cat
</code></pre>
<h3 id="multiple-documents-prefix-all-documents">Multiple Documents - prefix all documents<a class="headerlink" href="#multiple-documents-prefix-all-documents" title="Permanent link">&para;</a></h3>
<p>Given a data1.yaml file of:</p>
<pre><code class="yaml">something: else
---
a: simple
b: cat
</code></pre>
<p>then</p>
<pre><code class="bash">yq p -d'*' data1.yaml c
</code></pre>
<p>will output:</p>
<pre><code class="yaml">c:
something: else
---
c:
a: simple
b: cat
</code></pre>
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<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="multiple-documents-specify-a-single-document">Multiple Documents - specify a single document<a class="headerlink" href="#multiple-documents-specify-a-single-document" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">something: else
---
b:
c: 2
</code></pre>
<p>then</p>
<pre><code class="bash">yq r -d1 sample.yaml b.c
</code></pre>
<p>will output the value of '2'.</p>
<h3 id="multiple-documents-read-all-documents">Multiple Documents - read all documents<a class="headerlink" href="#multiple-documents-read-all-documents" title="Permanent link">&para;</a></h3>
<p>Reading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired.</p>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">name: Fred
age: 22
---
name: Stella
age: 23
---
name: Android
age: 232
</code></pre>
<p>then</p>
<pre><code class="bash">yq r -d'*' sample.yaml name
</code></pre>
<p>will output:</p>
<pre><code>- Fred
- Stella
- Android
</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>
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<h1>Keys with dots</h1>
<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>
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<p>This command can take a json file as input too, and will output yaml unless specified to export as json (-j)</p>
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Multiple Documents - update all documents
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Updating files in-place
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Updating multiple values with a script
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Multiple Documents - update a single document
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Multiple Documents - update all documents
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Updating files in-place
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Updating multiple values with a script
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<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&gt; &lt;path&gt; &lt;new value&gt;
</code></pre>
<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="multiple-documents-update-a-single-document">Multiple Documents - update a single document<a class="headerlink" href="#multiple-documents-update-a-single-document" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">something: else
---
b:
c: 2
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -d1 sample.yaml b.c 5
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
---
b:
c: 5
</code></pre>
<h3 id="multiple-documents-update-all-documents">Multiple Documents - update all documents<a class="headerlink" href="#multiple-documents-update-all-documents" title="Permanent link">&para;</a></h3>
<p>Given a sample.yaml file of:</p>
<pre><code class="yaml">something: else
---
b:
c: 2
</code></pre>
<p>then</p>
<pre><code class="bash">yq w -d'*' sample.yaml b.c 5
</code></pre>
<p>will output:</p>
<pre><code class="yaml">something: else
b:
c: 5
---
b:
c: 5
</code></pre>
<p>Note that '*' is in quotes to avoid 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>
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</div>
<div class="md-footer-social">
<link rel="stylesheet" href="../assets/fonts/font-awesome.css">
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</body>
</html>

View File

@@ -7,3 +7,5 @@
- lala
- land
serial: 1
- become: false
gather_facts: true

8
examples/bad.yaml Normal file
View File

@@ -0,0 +1,8 @@
b:
d: be gone
c: 2
e:
- name: Billy Bob # comment over here
---
[123123

View File

@@ -1,2 +1,4 @@
a: simple
a: simple # just the best
b: [1, 2]
c:
test: 1

View File

@@ -1,4 +1,7 @@
a: other
a: other # better than the original
b: [3, 4]
c:
toast: leave
test: 1
tell: 1
tasty.taco: cool

View File

@@ -1 +1,4 @@
b: dog
a: "simple" # just the best
b: [1, 3]
c:
test: 1

View File

@@ -1,2 +1,7 @@
b.c: cat
b.e[0].name: Mike Farah
- command: update
path: b.c
value:
#great
things: frog # wow!
- command: delete
path: b.d

View File

@@ -0,0 +1,19 @@
foo: &foo
a: original
thing: coolasdf
thirsty: yep
bar: &bar
b: 2
thing: coconut
c: oldbar
foobarList:
<<: [*foo,*bar]
c: newbar
foobar:
<<: *foo
thirty: well beyond
thing: ice
c: 3

View File

@@ -0,0 +1,2 @@
5:
6: camel!

View File

@@ -1,7 +1,7 @@
a: Easy! as one two three
a: true
b:
c: 2
d: [3, 4]
d: [3, 4, 5]
e:
- name: fred
value: 3

View File

@@ -1,9 +1,2 @@
a: Easy! as one two three
b:
c: things
d: whatever
things:
thing1:
cat: 'fred'
thing2:
cat: 'sam'

View File

@@ -1 +1,2 @@
[4,5]
- 4
- 5

View File

@@ -0,0 +1,5 @@
foo: &foo
a: 1
foobar:
<<: *foo

13
go.mod Normal file
View File

@@ -0,0 +1,13 @@
module github.com/mikefarah/yq/v3
require (
github.com/kylelemons/godebug v1.1.0
github.com/pkg/errors v0.8.1
github.com/spf13/cobra v0.0.5
golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935 // indirect
gopkg.in/imdario/mergo.v0 v0.3.7 // indirect
gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2
)
go 1.13

64
go.sum Normal file
View File

@@ -0,0 +1,64 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
github.com/mikefarah/yaml v2.1.0+incompatible h1:nu2cqmzk4WlWJNgnevY88faMcdrDzYGcsUjYFxEpB7Y=
github.com/mikefarah/yaml/v2 v2.4.0 h1:eYqfooY0BnvKTJxr7+ABJs13n3dg9n347GScDaU2Lww=
github.com/mikefarah/yaml/v2 v2.4.0/go.mod h1:ahVqZF4n1W4NqwvVnZzC4es67xsW9uR/RRf2RRxieJU=
github.com/mikefarah/yq v2.4.0+incompatible h1:oBxbWy8R9hI3BIUUxEf0CzikWa2AgnGrGhvGQt5jgjk=
github.com/mikefarah/yq/v2 v2.4.1 h1:tajDonaFK6WqitSZExB6fKlWQy/yCkptqxh2AXEe3N4=
github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
github.com/spf13/cobra v0.0.5 h1:f0B+LkLX6DtmRH1isoNA9VTtNUK9K8xYd28JNNfOv/s=
github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU=
github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/tools v0.0.0-20191030203535-5e247c9ad0a0 h1:s5lp4ug7qHzUccgyFdjsX7OZDzHXRaePrF3B3vmUiuM=
golang.org/x/tools v0.0.0-20191030203535-5e247c9ad0a0/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935 h1:kJQZhwFzSwJS2BxboKjdZzWczQOZx8VuH7Y8hhuGUtM=
golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/imdario/mergo.v0 v0.3.7 h1:QDotlIZtaO/p+Um0ok18HRTpq5i5/SAk/qprsor+9c8=
gopkg.in/imdario/mergo.v0 v0.3.7/go.mod h1:9qPP6AGrlC1G2PTNXko614FwGZvorN7MiBU0Eppok+U=
gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473 h1:6D+BvnJ/j6e222UW8s2qTSe3wGBtvo0MbVQG/c5k8RE=
gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473/go.mod h1:N1eN2tsCx0Ydtgjl4cqmbRCsY4/+z4cYDeqwZTk6zog=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2 h1:XZx7nhd5GMaZpmDaEHFVafUZC7ya0fuo7cSJ3UCKYmM=
gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@@ -1,44 +0,0 @@
package main
import (
"encoding/json"
"fmt"
"strconv"
yaml "gopkg.in/mikefarah/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 := context.(type) {
case []interface{}:
oldArray := context
newArray := make([]interface{}, len(oldArray))
for index, value := range oldArray {
newArray[index] = toJSON(value)
}
return newArray
case yaml.MapSlice:
oldMap := context
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
}
}

View File

@@ -1,46 +0,0 @@
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)
}

View File

@@ -1,12 +0,0 @@
package main
import mergo "gopkg.in/imdario/mergo.v0"
func merge(dst interface{}, src interface{}, overwrite bool, append bool) error {
if overwrite {
return mergo.Merge(dst, src, mergo.WithOverride)
} else if append {
return mergo.Merge(dst, src, mergo.WithAppendSlice)
}
return mergo.Merge(dst, src)
}

View File

@@ -2,27 +2,6 @@ docs_dir: mkdocs
site_dir: docs
site_name: Yq
theme: 'material'
pages:
- Install: index.md
- Read: read.md
- Write/Update: write.md
- Prefix: prefix.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

View File

@@ -1,40 +0,0 @@
### Yaml to Json
To convert output to json, use the --tojson (or -j) flag. This can only be used with the read 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
```

View File

@@ -1,44 +0,0 @@
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. Currently this does not support creating multiple documents in a single 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!}

View File

@@ -1,110 +0,0 @@
```
yq d <yaml_file> <path_to_delete>
```
### 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
### Multiple Documents - delete from single document
Given a sample.yaml file of:
```yaml
something: else
field: leaveMe
---
b:
c: 2
field: deleteMe
```
then
```bash
yq w -d1 sample.yaml field
```
will output:
```yaml
something: else
field: leaveMe
---
b:
c: 2
```
### Multiple Documents - delete from all documents
Given a sample.yaml file of:
```yaml
something: else
field: deleteMe
---
b:
c: 2
field: deleteMeToo
```
then
```bash
yq w -d'*' sample.yaml field
```
will output:
```yaml
something: else
---
b:
c: 2
```
Note that '*' is in quotes to avoid being interpreted by your shell.
{!snippets/keys_with_dots.md!}

View File

@@ -1,26 +0,0 @@
# 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
```
On Ubuntu 16.04 or higher from Debian package:
```
sudo add-apt-repository ppa:rmescandon/yq
sudo apt update
sudo apt install yq -y
```
or, [Download latest binary](https://github.com/mikefarah/yq/releases/latest) or alternatively:
```
go get gopkg.in/mikefarah/yq.v2
```
[View on GitHub](https://github.com/mikefarah/yq)

View File

@@ -1,189 +0,0 @@
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> <path>...
```
### 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: [3, 4]
c:
test: 2
other: true
d: false
```
then
```bash
yq m -x data1.yaml data3.yaml
```
will output:
```yaml
a: simple
b: [3, 4]
c:
test: 2
other: true
d: false
```
Notice that 'b' does not result in the merging of the values within an array.
### Append values with arrays
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
d: hi
```
and data3.yaml file of:
```yaml
a: something
b: [3, 4]
c:
test: 2
other: true
```
then
```bash
yq m -a data1.yaml data3.yaml
```
will output:
```yaml
a: simple
b: [1, 2, 3, 4]
c:
test: 2
other: true
d: hi
```
Note that the 'b' array has concatenated the values from the second data file. Also note that other map keys are not overridden (field a).
Append cannot be used with overwrite, if both flags are given then append is ignored.
### Multiple Documents - merge into single document
Currently yq only has multi-document support for the _first_ document being merged into. The remaining yaml files will have their first document selected.
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
and data3.yaml file of:
```yaml
b: dog
```
then
```bash
yq m -x -d1 data1.yaml data3.yaml
```
will output:
```yaml
something: else
---
a: simple
b: dog
```
### Multiple Documents - merge into all documents
Currently yq only has multi-document support for the _first_ document being merged into. The remaining yaml files will have their first document selected.
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
and data3.yaml file of:
```yaml
b: dog
```
then
```bash
yq m -x -d'*' data1.yaml data3.yaml
```
will output:
```yaml
b: dog
something: else
---
a: simple
b: dog
```

View File

@@ -1,96 +0,0 @@
Paths can be prefixed using the 'prefix' command.
The complete yaml content will be nested inside the new prefix path.
```
yq p <yaml_file> <path>
```
### To Stdout
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
then
```bash
yq p data1.yaml c
```
will output:
```yaml
c:
a: simple
b: [1, 2]
```
### Arbitrary depth
Given a data1.yaml file of:
```yaml
a:
b: [1, 2]
```
then
```bash
yq p data1.yaml c.d
```
will output:
```yaml
c:
d:
a:
b: [1, 2]
```
### Updating files in-place
Given a data1.yaml file of:
```yaml
a: simple
b: [1, 2]
```
then
```bash
yq p -i data1.yaml c
```
will update the data1.yaml file so that the path 'c' is prefixed to all other paths.
### Multiple Documents - prefix a single document
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
then
```bash
yq p -d1 data1.yaml c
```
will output:
```yaml
something: else
---
c:
a: simple
b: cat
```
### Multiple Documents - prefix all documents
Given a data1.yaml file of:
```yaml
something: else
---
a: simple
b: cat
```
then
```bash
yq p -d'*' data1.yaml c
```
will output:
```yaml
c:
something: else
---
c:
a: simple
b: cat
```

View File

@@ -1,125 +0,0 @@
```
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
```
### Multiple Documents - specify a single document
Given a sample.yaml file of:
```yaml
something: else
---
b:
c: 2
```
then
```bash
yq r -d1 sample.yaml b.c
```
will output the value of '2'.
### Multiple Documents - read all documents
Reading all documents will return the result as an array. This can be converted to json using the '-j' flag if desired.
Given a sample.yaml file of:
```yaml
name: Fred
age: 22
---
name: Stella
age: 23
---
name: Android
age: 232
```
then
```bash
yq r -d'*' sample.yaml name
```
will output:
```
- Fred
- Stella
- Android
```
### 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!}

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