cpython/Tools/scripts/findlinksto.py

30 lines
563 B
Python
Executable File

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