| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 1 | #! /usr/local/python |
| 2 | |
| 3 | # findlinksto |
| 4 | # |
| 5 | # find symbolic links to a given path |
| 6 | |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 7 | import os, sys |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 8 | |
| 9 | def visit(pattern, dirname, names): |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 10 | if os.path.islink(dirname): |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 11 | names[:] = [] |
| 12 | return |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 13 | if os.path.ismount(dirname): |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 14 | print 'descend into', dirname |
| 15 | n = len(pattern) |
| 16 | for name in names: |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 17 | name = os.path.join(dirname, name) |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 18 | try: |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 19 | linkto = os.readlink(name) |
| Guido van Rossum | bdfcfcc | 1992-01-01 19:35:13 +0000 | [diff] [blame] | 20 | if linkto[:n] == pattern: |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 21 | print name, '->', linkto |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 22 | except os.error: |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 23 | pass |
| 24 | |
| 25 | def main(pattern, args): |
| 26 | for dirname in args: |
| Guido van Rossum | 391b8b7 | 1992-03-30 11:14:36 +0000 | [diff] [blame] | 27 | os.path.walk(dirname, visit, pattern) |
| Guido van Rossum | ec758ea | 1991-06-04 20:36:54 +0000 | [diff] [blame] | 28 | |
| 29 | main(sys.argv[1], sys.argv[2:]) |