[Python-Dev] PEP 389: argparse - new command line parsing module (original) (raw)

Antoine Pitrou solipsis at pitrou.net
Thu Oct 8 00:24:08 CEST 2009

Hrvoje Niksic <hrvoje.niksic avl.com> writes:

Of course; simply use the >&- pseudo-redirection, which has been a standard sh feature (later inherited by ksh and bash, but not csh) for ~30 years. The error message is amusing, too: $ python -c 'print "foo"' >&- close failed in file object destructor: Error in sys.excepthook: Original exception was:

Python 3 complains at startup and is a bit more explicit:

$ ./python -c '1' >&- Fatal Python error: Py_Initialize: can't initialize sys standard streams OSError: [Errno 9] Bad file descriptor Abandon

Of course, if it is stderr that you explicitly close, you lose all reporting:

$ ./python -c '1' 2>&- Abandon

Regards

Antoine.

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