How do I find executable files from the environment PATH variable?

Michael Gilfix mgilfix at
Tue Aug 6 22:16:15 CEST 2002

  It's interesting that this is the second time in a week
that this has appeared in this newsgroup with various
people asking for help :)

               -- Mike

On Tue, Aug 06 @ 10:59, Trent Mick wrote:
> [Noah wrote]
> > Basically I want to write "which" in Python.
> Or you could just download it. :)
> > Am I forced to check every directory in PATH 
> > and test each one with os.access()? If so then
> > will this script duplicate the actions of the
> > shell in searching for an executable file?
> Getting this right on Windows is a little bit of a pain.

Michael Gilfix
mgilfix at

For my gpg public key:

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