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annotate python/which.py @ 175:081614c468b8

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add a file for listing extensions
author Jeff Hammel <jhammel@mozilla.com>
date Tue, 25 Oct 2011 20:00:27 -0700
parents 3e52d6bcac99
children b91750a108b2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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170
3e52d6bcac99 add the which thingy
Jeff Hammel <jhammel@mozilla.com>
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1 def findInPath(fileName, path=os.environ['PATH']):
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2 """python equivalent of which; should really be in the stdlib"""
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3 dirs = path.split(os.pathsep)
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4 for dir in dirs:
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5 if os.path.isfile(os.path.join(dir, fileName)):
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6 return os.path.join(dir, fileName)
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7 if mozinfo.isWin:
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8 if os.path.isfile(os.path.join(dir, fileName + ".exe")):
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9 return os.path.join(dir, fileName + ".exe")
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10
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11 if __name__ == '__main__':
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12 for i in sys.argv[1:]:
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13 print findInPath(i)