text: #!/usr/bin/env python3
  # coding: utf-8
  import sys, os
  from array import *
  
  class Serialize:
      @classmethod
      def parse(cls, txt):
          name, ext = os.path.splitext(txt)
  
          with open(name + '_tmp' + ext, 'wb') as binOut:
              count = 0
  
              with open(txt, 'r') as txtIn:
                  for line in txtIn:
                      line = line.rstrip('\n')
                      arr = array('B')
                      arr.append(len(line))
                      arr.tofile(binOut)
                      binOut.write(bytearray(line, 'utf-8'))
                      arr = array('B')
                      arr.append(0)
                      arr.tofile(binOut)
                      count += 1
  
          with open(name + '_bin' + ext, 'wb') as binOut:
              arr = array('B')
              arr.append(count)
              arr.append(0)
              arr.tofile(binOut)
  
              with open(name + '_tmp' + ext, 'rb') as binIn:
                  while True:
                      chunk = binIn.read(1024)
  
                      if chunk:
                          binOut.write(chunk)
                      else:
                          break
  
          os.remove(name + '_tmp' + ext)
  
  if __name__ == '__main__':
      if len(sys.argv) == 2:
          Serialize.parse(sys.argv[1])
  