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Group By

This is used to group items in an array by an expression.

Group by field

Given a sample.yml file of:
- foo: 1
bar: 10
- foo: 3
bar: 100
- foo: 1
bar: 1
then
yq 'group_by(.foo)' sample.yml
will output
- - foo: 1
bar: 10
- foo: 1
bar: 1
- - foo: 3
bar: 100

Group by field, with nulls

Given a sample.yml file of:
- cat: dog
- foo: 1
bar: 10
- foo: 3
bar: 100
- no: foo for you
- foo: 1
bar: 1
then
yq 'group_by(.foo)' sample.yml
will output
- - cat: dog
- no: foo for you
- - foo: 1
bar: 10
- foo: 1
bar: 1
- - foo: 3
bar: 100
Last modified 2mo ago