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authorGuido van Rossum <guido@python.org>1994-01-21 15:47:00 (GMT)
committerGuido van Rossum <guido@python.org>1994-01-21 15:47:00 (GMT)
commit5ec8b525d26aad1bc77ef81aefb081250478cd37 (patch)
treecacf11c0ed077a7ff005ffe61221d0206b6561f5 /Tools/scripts
parentcb38cd01c7995f0e5a710a230ba4267243bf7fce (diff)
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Restructured main, use getopt, use regular expression search instead
of prefix match
Diffstat (limited to 'Tools/scripts')
-rwxr-xr-xTools/scripts/findlinksto.py33
1 files changed, 23 insertions, 10 deletions
diff --git a/Tools/scripts/findlinksto.py b/Tools/scripts/findlinksto.py
index 6fb5cd7..d2fc430 100755
--- a/Tools/scripts/findlinksto.py
+++ b/Tools/scripts/findlinksto.py
@@ -2,28 +2,41 @@
# findlinksto
#
-# find symbolic links to a given path
+# find symbolic links to a path matching a regular expression
-import os, sys
+import os
+import sys
+import regex
+import getopt
-def visit(pattern, dirname, names):
+def main():
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], '')
+ if len(args) < 2:
+ raise getopt.error, 'not enough arguments'
+ except getopt.error, msg:
+ sys.stdout = sys.stderr
+ print msg
+ print 'usage: findlinksto pattern directory ...'
+ sys.exit(2)
+ pat, dirs = args[0], args[1:]
+ prog = regex.compile(pat)
+ for dirname in dirs:
+ os.path.walk(dirname, visit, prog)
+
+def visit(prog, 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:
+ if prog.search(linkto) >= 0:
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:])
+main()