Anagram finder for Unix-like systems

anagrams.py

#!/usr/bin/env python

import sys

try:
  word = sys.argv[1]
except IndexError:
  print 'usage: anagrams.py <word>'
  exit(1)

with open('/usr/share/dict/words', 'r') as fd:
  for line in fd:
    entry = line.rstrip()
    if sorted(word.lower()) == sorted(entry.lower()) \
    and not word.lower() == entry.lower():
      print entry