docs: def get_computer_desc():
      '''
      Get PRETTY_HOSTNAME value stored in /etc/machine-info
      If this file doesn't exist or the variable doesn't exist
      return False.
  
      :return: Value of PRETTY_HOSTNAME if this does not exist False.
      :rtype: str
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' system.get_computer_desc
      '''
      hostname_cmd = salt.utils.path.which('hostnamectl')
      if hostname_cmd:
          desc = __salt__['cmd.run'](
              [hostname_cmd, 'status', '--pretty'],
              python_shell=False
          )
      else:
          desc = None
          pattern = re.compile(r'^\s*PRETTY_HOSTNAME=(.*)$')
          try:
              with salt.utils.files.fopen('/etc/machine-info', 'r') as mach_info:
                  for line in mach_info.readlines():
                      line = salt.utils.stringutils.to_unicode(line)
                      match = pattern.match(line)
                      if match:
                          # get rid of whitespace then strip off quotes
                          desc = _strip_quotes(match.group(1).strip())
                          # no break so we get the last occurance
          except IOError:
              pass
  
          if desc is None:
              return False
  
      return desc.replace(r'\"', r'"').replace(r'\n', '\n').replace(r'\t', '\t')