Thomas Passin wrote:
Are you trying to troll here?
You just showed how you got an error with this construction, so why are you asking how to
get an error with this construction?
I meant (obviously), another error-message besides: error: unrecognized arguments: -cn Perhaps from 'parser.add_argument ("-c, --clean", dest="clean", action="store_true")' error: "-c, --clean", 2 options are unsupported. BTW, accusing someone of 'trolling' is rather rude IMHO. And thanks to ChrisA for a nice and normal answer. -- --gv -- https://mail.python.org/mailman/listinfo/python-list