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DOCUMENTATION:
  name: path_join
  author: Anthony Bourguignon (@Toniob)
  version_added: "2.10"
  short_description: Join one or more path components
  positional: _input
  description:
    - Returns a path obtained by joining one or more path components.
  options:
    _input:
      description: A path, or a list of paths.
      type: list
      elements: str
      required: true

EXAMPLES: |

  # If path == 'foo/bar' and file == 'baz.txt', the result is '/etc/foo/bar/subdir/baz.txt'
  {{ ('/etc', path, 'subdir', file) | path_join }}

  # equivalent to '/etc/subdir/{{filename}}'
  wheremyfile: "{{ ['/etc', 'subdir', filename] | path_join }}"

  # trustme => '/etc/apt/trusted.d/mykey.gpgp'
  trustme: "{{ ['/etc', 'apt', 'trusted.d', 'mykey.gpg'] | path_join }}"

RETURN:
  _value:
    description: The concatenated path.
    type: str