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Adds doc for new slice filter (#35904)

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* Adds doc for new slice filter

* Fixes example

* Adds empty line

* Moves documentation to other section and removes bad suggestion
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tterranigma 2018-02-08 18:41:25 +01:00 committed by Brian Coca
parent 0bd9b3019f
commit 3371a93b9e
1 changed files with 13 additions and 2 deletions
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11
docs/docsite/rst/playbooks_filters.rst
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@ -904,6 +904,17 @@ To make use of one attribute from each item in a list of complex variables, use
# get a comma-separated list of the mount points (e.g. "/,/mnt/stuff") on a host
{{ ansible_mounts|map(attribute='mount')|join(',') }}
.. versionadded:: 2.5
The `slice` filter can be used to extract the values of specific keys from a
hash::
{{ {'x': 1, 'y': 2, 'z': 3 } | slice(['x', 'z']) }}
This will result in::
[1, 2]
To get date object from string use the `to_datetime` filter, (new in version in 2.2)::
# get amount of seconds between two dates, default date format is %Y-%m-%d %H:%M:%S but you can pass your own one