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DOCUMENTATION:
name: difference
author: Brian Coca (@bcoca)
version_added: "1.4"
short_description: the difference of one list from another
description:
- Provide a unique list of all the elements of the first list that do not appear in the second one.
options:
_input:
description: A list.
type: list
required: true
_second_list:
description: A list.
type: list
required: true
seealso:
- plugin_type: filter
plugin: ansible.builtin.intersect
- plugin_type: filter
plugin: ansible.builtin.symmetric_difference
- plugin_type: filter
plugin: ansible.builtin.union
- plugin_type: filter
plugin: ansible.builtin.unique
EXAMPLES: |
# return the elements of list1 not in list2
# list1: [1, 2, 5, 1, 3, 4, 10]
# list2: [1, 2, 3, 4, 5, 11, 99]
{{ list1 | difference(list2) }}
# => [10]
RETURN:
_value:
description: A unique list of the elements from the first list that do not appear on the second.
type: list
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