cpython/Tools/scripts/findlinksto.py

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#! /usr/local/python
# findlinksto
#
# find symbolic links to a given path
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import os, sys
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def visit(pattern, dirname, names):
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if os.path.islink(dirname):
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names[:] = []
return
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if os.path.ismount(dirname):
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print 'descend into', dirname
n = len(pattern)
for name in names:
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name = os.path.join(dirname, name)
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try:
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linkto = os.readlink(name)
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if linkto[:n] == pattern:
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print name, '->', linkto
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except os.error:
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pass
def main(pattern, args):
for dirname in args:
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os.path.walk(dirname, visit, pattern)
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main(sys.argv[1], sys.argv[2:])