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annotate python/which.py @ 325:bc2d0d504270

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preserve mode (could, in theory, take from script)
author Jeff Hammel <jhammel@mozilla.com>
date Sat, 08 Jun 2013 08:42:21 -0700
parents e4221e45d6c1
children e7ab4cf29f7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2
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3 import os
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4 import sys
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5
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6 def which(fileName, path=os.environ['PATH']):
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7 """python equivalent of which; should really be in the stdlib"""
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8 dirs = path.split(os.pathsep)
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9 for dir in dirs:
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10 if os.path.isfile(os.path.join(dir, fileName)):
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11 return os.path.join(dir, fileName)
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12 if os.path.isfile(os.path.join(dir, fileName + ".exe")):
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13 return os.path.join(dir, fileName + ".exe")
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14
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15 if __name__ == '__main__':
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16 for i in sys.argv[1:]:
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17 print which(i)