Home Original page

argv[0] manipulation

Mike Meyer mwm at mired.org
Wed Dec 11 08:17:10 EST 2002 
P_spam_ at draigBrady.com writes:
> Hi,
> 
> I had the idea to select debugging mode
> in my application depending on the contents of argv[0].
> The logic was:
> 
>    if '/' in argv[0]: #explicit path so debug
>        debugging = 1
>    else:
>        debugging = 0
> 
> However this fails in the case where you
> invoke a script in the current directory
> with the python interpreter explicitly.
> So shouldn't python change argv[0] to
> './myscript' instead of 'myscript' in this case:
> 
>    python myscript
> 
> Usually the current directory is not in the
> $PATH for security reasons, so an argv of
> './myscript' is the equivalent of (what you
> would need to type to run the script) python myscript.

Well, it could make other people's handling of arguments more painfull
and/or ugly, depending.

Is there some reason you don't want to keep your curernt arrangement
and just type "python ./myscript" to get debugging, and "python
myscript" to get it without debugging?

        <mike
-- 
Mike Meyer <mwm at mired.org>			http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.
More information about the Python-list mailing list