source: trunk/pxeconfig/hexls @ 61

Last change on this file since 61 was 61, checked in by bas, 18 years ago

hexls:

  • Added hostname lookup
  • Property keywords set to Id
  • Property svn:keywords set to Id
File size: 1.8 KB
Line 
1#! /usr/bin/env python
2# Copyright (C) 2002
3#
4# This file is part of the pxeconfig utils
5#
6# This program is free software; you can redistribute it and/or modify it
7# under the terms of the GNU General Public License as published by the
8# Free Software Foundation; either version 2, or (at your option) any
9# later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program; if not, write to the Free Software
18# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
19#
20'''
21hexls.py - Lists directory contents, but converts the hexadecimal IP numbers
22to dotted decimal notation (so you can at least see what you're doing..!!)
23
24Author: Walter de Jong <walter@sara.nl>
25Date:   January 2002
26
27Changes: Bas van der Vlies <basv@sara.nl>
28Date:    September 2002
29
30SVN info
31  $Id: hexls 61 2005-11-22 11:16:17Z bas $
32'''
33
34import os
35import string
36import re
37
38def hexls(path):
39        '''list directory, convert hexadecimal to dotted decimal'''
40
41        regexp = re.compile('[' + string.hexdigits + ']{8}' )
42        for f in os.listdir(path):
43                if regexp.match(f) and len(f) == 8:
44                        digit1 = string.atoi(f[:2], 16)
45                        digit2 = string.atoi(f[2:4], 16)
46                        digit3 = string.atoi(f[4:6], 16)
47                        digit4 = string.atoi(f[6:], 16)
48
49                        ipaddr = '%d.%d.%d.%d' % (digit1, digit2, digit3, digit4) 
50                        hostname = socket.gethostbyaddr(ipaddr)
51                        if hostname:
52                                print '%s => %s => %s' % (f, ipaddr, hostname)
53                        else:
54                                print '%s => %s' % (f, ipaddr)
55                else:
56                        if f[0] != '.':
57                                print f
58
59
60if __name__ == '__main__':
61        import sys
62
63        if len(sys.argv) > 1:
64                for dir in sys.argv[1:]:
65                        hexls(dir)
66        else:
67                hexls('.')
68
69# EOB
70
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