How to set program name in Python? ($0 in Perl)

Steve Holden steve at
Thu Nov 10 08:14:27 CET 2005

Fredrik Lundh wrote:
> Steve Holden wrote:
>>>Is there a way to set the program name in Python, similar to $0 in
>>>>From `man perlvar`:
>>>$0      Contains the name of the program being executed.  On some oper-
>>>               ating systems assigning to "$0" modifies the argument
>>>area that
>>>               the ps program sees.  This is more useful as a way of
>>>               ing the current program state than it is for hiding the
>>>               you're running.  (Mnemonic: same as sh and ksh.)
>>import sys
>>print sys.argv[0]
> that *gets* the name, but assigning to sys.argv[0] doesn't *set* it (afaik).
> setting the name involves overwriting the C level argv array, several large
> buckets of worms, and huge portability issues, and is thus better left to non-
> standard extensions.
Indeed. My bad.

Steve Holden       +44 150 684 7255  +1 800 494 3119
Holden Web LLC           
PyCon TX 2006        

More information about the Python-list mailing list