text: #!/usr/bin/env python
  
  import argparse
  
  parser = argparse.ArgumentParser(description='Scan file to find shift-jis string')
  parser.add_argument('input', help='scenario file')
  args = parser.parse_args()
  
  import struct
  
  data = open(args.input, 'rb').read()
  
  length = len(data)
  
  for i in xrange(length - 2):
      val = struct.unpack("<h", data[i:i+2])[0]
      if val < 0:
          continue
      if val > length:
          continue
      if val % 2 != 0:
          continue
      if data[i+val-2:i+val] != '\x00\x00':
          continue
      try:
          strline = data[i+2:i+val-2].decode('shift-jis')
          for char in strline:
              if char < "\x1f":
                 strline = ""
          if len(strline) > 0:
              print "0x%010X-0x%010X(0x%04X)\t%s\r" % \
                      (i, i + val, val, strline.encode('utf-8'))
      except:
          continue
  
  