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Flatten

pkg/yqlib/doc/operators/flatten.md

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Flatten

This recursively flattens arrays.

Flatten

Recursively flattens all arrays

Given a sample.yml file of:

yaml
- 1
- - 2
- - - 3

then

bash
yq 'flatten' sample.yml

will output

yaml
- 1
- 2
- 3

Flatten with depth of one

Given a sample.yml file of:

yaml
- 1
- - 2
- - - 3

then

bash
yq 'flatten(1)' sample.yml

will output

yaml
- 1
- 2
- - 3

Flatten empty array

Given a sample.yml file of:

yaml
- []

then

bash
yq 'flatten' sample.yml

will output

yaml
[]

Flatten array of objects

Given a sample.yml file of:

yaml
- foo: bar
- - foo: baz

then

bash
yq 'flatten' sample.yml

will output

yaml
- foo: bar
- foo: baz