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updated docs to add new filters

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Signed-off-by: Brian Coca <briancoca+dev@gmail.com>
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Brian Coca 2013-11-18 23:40:29 -05:00
parent 07b59da996
commit 79145b6a78
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docsite/rst/playbooks_variables.rst
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@ -167,6 +167,22 @@ This allows an explicit check with this feature off::
The variable value will be used as is, but the template evaluation will raise an error if it is undefined. The variable value will be used as is, but the template evaluation will raise an error if it is undefined.
.. _set_theory_filters:
Set Theory Filters
--------------------
These mostly deal with set (lists), no filter for union as this already works::
{{ list1 + list2 }}
To get the intersection of 2 lists (unique list of all items in both)::
{{ list1 |intersect(list2)}}
To get a unique set from a list::
{{ list1 |unique }}
.. _other_useful_filters: .. _other_useful_filters:
Other Useful Filters Other Useful Filters