# cf.Variable.files

`Variable.``files`()

  Return the names of any files containing parts of the data array.

  See also

  `close`

  Examples 1: |

      >>> f.files()

  Returns: | out: `set` The file names in normalized, absolute form.
  Examples 2: |

      >>> f = cf.read_field('../file*')
      >>> f.files()
      {'/data/user/file1',
       '/data/user/file2',
       '/data/user/file3'}
      >>> a = f.array
      >>> f.files()
      set()