dest="format", default=file_format,
help=help_string.format(file_format=file_format,
choices="|".join(formats())))
- parser.add_argument('files', nargs='*')
+ parser.add_argument('files', nargs='+', metavar='FILE')
args = parser.parse_args(sys.argv[1:])
file_format = args.format
files = args.files
- if not files:
- error_exit('file is not specified')
-
for filename in files:
insert_copyright(filename, owner, year, file_format)