Unique
This is used to filter out duplicated items in an array. Note that the original order of the array is maintained.
Note that unique maintains the original order of the array.
Given a sample.yml file of:
- 2
- 1
- 3
- 2
then
yq 'unique' sample.yml
will output
- 2
- 1
- 3
Unique works on the node value, so it considers different representations of nulls to be different
Given a sample.yml file of:
- ~
- null
- ~
- null
then
yq 'unique' sample.yml
will output
- ~
- null
Run against the node tag to unique all the nulls
Given a sample.yml file of:
- ~
- null
- ~
- null
then
yq 'unique_by(tag)' sample.yml
will output
- ~
Given a sample.yml file of:
- name: harry
pet: cat
- name: billy
pet: dog
- name: harry
pet: dog
then
yq 'unique_by(.name)' sample.yml
will output
- name: harry
pet: cat
- name: billy
pet: dog
Last modified 4mo ago