oopen-server/DOC/README.check-if-empty
2019-06-28 02:28:50 +02:00

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# - Ansible List
# -
# - Python lists have a truthiness of False when empty. So you
# - can use:
# - when: <listname>
# -
# - Example:
# - root_user: {} or
# - root_user:
# - - value1
# - - value2
# -
# - Check if list 'root_user' is empty:
# - when: root_user
# - Ansible Array /Scalar
# -
# - use:
# - when <var> is defined and <var>.lenght > 0
# -
# - Example:
# - apt_lxc_host_pkgs: []
# - apt_lxc_host_pkgs:
# - - bridge-utils
# - - lxc
# - - btrfs-tools
# - - lua5.3
# -
# - Check if list 'apt_lxc_host_pkgs'' is empty:
# - when: apt_lxc_host_pkgs is defined and apt_lxc_host_pkgs.length > 0