#! /usr/bin/env python
# Copyright (C) 2000, SARA.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for non-commercial purposes and without fee is hereby
# granted, provided that the above copyright notice appears in all copies
# and that both the copyright notice and this permission notice appear in
# supporting documentation.
#
# Neither SARA (Stichting Academisch Rekencentrum Amsterdam) nor the
# nor the author make any representations about the suitability of this
# software for any purpose. This software is provided ``as is'' without
# express or implied warranty.
#
#
'''
hexls.py - Lists directory contents, but converts the hexadecimal IP numbers
to dotted decimal notation (so you can at least see what you're doing..!!)

Author: Walter de Jong <walter@sara.nl>
Date:   January 2002

CVS info 
  $Date: 2002/02/21 13:21:51 $ 
  $Revision: 1.2 $
'''

import os
import string
import re

def hexls(path):
	'''list directory, convert hexadecimal to dotted decimal'''

	regexp = re.compile('[' + string.hexdigits + ']+')
	for f in os.listdir(path):
		if regexp.match(f) and len(f) == 8:
			digit1 = string.atoi(f[:2], 16)
			digit2 = string.atoi(f[2:4], 16)
			digit3 = string.atoi(f[4:6], 16)
			digit4 = string.atoi(f[6:], 16)

			print '%s => %d.%d.%d.%d' % (f, digit1, digit2, digit3, digit4)
		else:
			if f[0] != '.':
				print f


if __name__ == '__main__':
	import sys

	if len(sys.argv) > 1:
		for dir in sys.argv[1:]:
			hexls(dir)
	else:
		hexls('.')

# EOB