Mercurial > hg > config
view python/which.py @ 177:6ae566bb1a99
add an example of lack of python closures
author | Jeff Hammel <jhammel@mozilla.com> |
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date | Thu, 03 Nov 2011 10:39:22 -0700 |
parents | b91750a108b2 |
children | e4221e45d6c1 |
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#!/usr/bin/env python import os import sys def findInPath(fileName, path=os.environ['PATH']): """python equivalent of which; should really be in the stdlib""" dirs = path.split(os.pathsep) for dir in dirs: if os.path.isfile(os.path.join(dir, fileName)): return os.path.join(dir, fileName) if os.path.isfile(os.path.join(dir, fileName + ".exe")): return os.path.join(dir, fileName + ".exe") if __name__ == '__main__': for i in sys.argv[1:]: print findInPath(i)