Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/which.py @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents 73758db2f464
children df6dfaac2d0b
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
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1 #! /usr/bin/env python
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2
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3 # Variant of "which".
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4 # On stderr, near and total misses are reported.
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5 # '-l<flags>' argument adds ls -l<flags> of each file found.
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6
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7 import sys, os, string
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8 from stat import *
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9
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10 def msg(str):
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11 sys.stderr.write(str + '\n')
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12
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13 pathlist = string.splitfields(os.environ['PATH'], ':')
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14
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15 sts = 0
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16 longlist = ''
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17
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18 if sys.argv[1:] and sys.argv[1][:2] == '-l':
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19 longlist = sys.argv[1]
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20 del sys.argv[1]
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21
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22 for prog in sys.argv[1:]:
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23 ident = ()
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24 for dir in pathlist:
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25 file = os.path.join(dir, prog)
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26 try:
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27 st = os.stat(file)
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28 except os.error:
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29 continue
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30 if not S_ISREG(st[ST_MODE]):
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31 msg(file + ': not a disk file')
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32 else:
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33 mode = S_IMODE(st[ST_MODE])
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34 if mode & 0111:
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35 if not ident:
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36 print file
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37 ident = st[:3]
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38 else:
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39 if st[:3] == ident:
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40 s = 'same as: '
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41 else:
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42 s = 'also: '
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43 msg(s + file)
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44 else:
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45 msg(file + ': not executable')
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46 if longlist:
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47 sts = os.system('ls ' + longlist + ' ' + file)
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48 if sts: msg('"ls -l" exit status: ' + `sts`)
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49 if not ident:
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50 msg(prog + ': not found')
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51 sts = 1
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52
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53 sys.exit(sts)