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Added another delete example

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This commit is contained in:
Mike Farah
2021-01-08 11:59:49 +11:00
parent 2743a7e058
commit 658006eb93
4 changed files with 30 additions and 2 deletions
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20
pkg/yqlib/doc/Delete.md
View File

@@ -95,3 +95,23 @@ will output
b: dog
```
## Recursively delete matching keys
Given a sample.yml file of:
```yaml
a:
name: frog
b:
name: blog
age: 12
```
then
```bash
yq eval 'del(.. | select(has("name")).name)' sample.yml
```
will output
```yaml
a:
b:
age: 12
```

2
pkg/yqlib/doc/Recursive Descent.md
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@@ -1,4 +1,4 @@
This operator recursively matches all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the
This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the
## match values form `..`
This will, like the `jq` equivalent, recursively match all _value_ nodes. Use it to find/manipulate particular values.

2
pkg/yqlib/doc/headers/Recursive Descent.md
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@@ -1,4 +1,4 @@
This operator recursively matches all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the
This operator recursively matches (or globs) all children nodes given of a particular element, including that node itself. This is most often used to apply a filter recursively against all matches. It can be used in either the
## match values form `..`
This will, like the `jq` equivalent, recursively match all _value_ nodes. Use it to find/manipulate particular values.