old_contents: # -*- coding: utf-8 -*-
new_contents: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  import argparse
  
  
  parser = argparse.ArgumentParser(description="Baulicht command line interface to change mode, add text,"
                                               " remove text or pause the blinking.",
                                   epilog="That's how to do it!")
  
  parser.add_argument("-l", "--list", action='store_true', help="List all active texts")
  parser.add_argument("-m", "--mode", choices=["text", "blink"], help="Set mode to text or blink")
  parser.add_argument("-a", "--add", type=str, metavar='<string>', help="Add Text to morse")
  parser.add_argument("-r", "--remove", type=int, metavar='<int>', help="Remove Text")
  parser.add_argument("-b", "--blink", nargs="?", metavar='<list<int>>', help="Set blink interval")
  parser.add_argument("-p", "--pause", choices=["on", "off"], help="Stop morse/blink")
  
  args = parser.parse_args()
  
subject: add baulicht-cli.py