view python/which.py @ 838:3cda483d71b2

add .tox to hgignore
author Jeff Hammel <k0scist@gmail.com>
date Fri, 31 Mar 2017 16:30:52 -0700
parents e4221e45d6c1
children e7ab4cf29f7b
line wrap: on
line source

#!/usr/bin/env python

import os
import sys

def which(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 which(i)