#!/usr/bin/env python
"""
notfounds.py - Get not founds from server logs.
Author: Sean B. Palmer, inamidst.com
Date: 2004-06
License: GPL 2; share and enjoy!

Todo: 
@@ Use optparse
@@ Allow --number and --count
"""

import sys, re

r_nfs = re.compile(r'"(?:GET|HEAD|POST) (\S+) HTTP/[\d\.]+" 404')

def getNfs(fn): 
   f = open(fn)
   result = {}
   while 1: 
      line = f.readline()
      if not line: break
      m = r_nfs.search(line)
      if m: 
         path = m.group(1)
         if result.has_key(path): 
            result[path] += 1
         else: result[path] = 1
   f.close()

   result = [(count, path) for (path, count) in result.items()]
   result.sort()
   result.reverse()
   for (count, path) in result: 
      print '%s: %s' % (count, path)

def main(args=None): 
   if args is None: 
      args = sys.argv[1:]

   if len(args) == 1: 
      getNfs(args[0])
   else: print __doc__

if __name__=="__main__": 
   main()