def METHOD_NAME():
    args = parse_args()
    if args.output_format == "rfc1700":
        write_rfc1700_file(filename=args.output_filename)
    elif args.output_format == "yaml":
        write_yaml_file(filename=args.output_filename)
    elif args.output_format == "json":
        write_json_file(filename=args.output_filename)
    else:
        raise (NotImplementedError)