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remove slice docs (#37946)

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Brian Coca 2018-04-24 11:11:46 -04:00 committed by GitHub
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15
docs/docsite/rst/user_guide/playbooks_filters.rst
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@ -955,26 +955,15 @@ 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 total amount of seconds between two dates. Default date format is %Y-%m-%d %H:%M:%S but you can pass your own format
{{ (("2016-08-14 20:00:12"|to_datetime) - ("2015-12-25"|to_datetime('%Y-%m-%d'))).total_seconds() }}
# Get remaining seconds after delta has been calculated. NOTE: This does NOT convert years, days, hours, etc to seconds. For that, use total_seconds()
{{ (("2016-08-14 20:00:12"|to_datetime) - ("2016-08-14 18:00:00"|to_datetime)).seconds }}
# This expression evaluates to "12" and not "132". Delta is 2 hours, 12 seconds
# get amount of days between two dates. This returns only number of days and discards remaining hours, minutes, and seconds
{{ (("2016-08-14 20:00:12"|to_datetime) - ("2015-12-25"|to_datetime('%Y-%m-%d'))).days }}