new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import os
  import sys
  import zipfile
  
  print "Processing File " + sys.argv[1]
  
  file=zipfile.ZipFile(sys.argv[1],"r");
  for name in file.namelist():
      utf8name=name.decode('gbk')
      print "Extracting " + utf8name
      pathname = os.path.dirname(utf8name)
      if not os.path.exists(pathname) and pathname!= "":
          os.makedirs(pathname)
      data = file.read(name)
      if not os.path.exists(utf8name):
          fo = open(utf8name, "w")
          fo.write(data)
          fo.close
  file.close()
  
subject: add unzip util