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42 lines
1,020 B
Python
Executable file
42 lines
1,020 B
Python
Executable file
#! /usr/bin/env python
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# findlinksto
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#
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# find symbolic links to a path matching a regular expression
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import os
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import sys
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import regex
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import getopt
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def main():
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try:
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opts, args = getopt.getopt(sys.argv[1:], '')
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if len(args) < 2:
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raise getopt.error, 'not enough arguments'
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except getopt.error, msg:
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sys.stdout = sys.stderr
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print msg
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print 'usage: findlinksto pattern directory ...'
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sys.exit(2)
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pat, dirs = args[0], args[1:]
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prog = regex.compile(pat)
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for dirname in dirs:
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os.path.walk(dirname, visit, prog)
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def visit(prog, dirname, names):
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if os.path.islink(dirname):
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names[:] = []
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return
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if os.path.ismount(dirname):
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print 'descend into', dirname
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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 prog.search(linkto) >= 0:
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print name, '->', linkto
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except os.error:
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pass
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main()
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