old_contents: # -*- coding: utf-8 -*-
  import re
  import sys
  
  ###########################################################################
  # This code is not work yet!!
  # Target file(Already morphological analysis file) to process to word only.
  ###########################################################################
  
  argvs = sys.argv
  argc = len(argvs)
  if (argc != 2):
      print('Usage: # python %s filename' % argvs[0])
      quit()
  
  r = re.compile("(.*)(\s)(.*)")
  
  with open(argvs[1],mode='r', encoding='utf-8') as read_file:
      line = read_file.readlines()
      for l in line:
          m = r.match(l)
          print(m.group(1))
  
  
  
  
  
new_contents: # -*- coding: utf-8 -*-
  import re
  import sys
  
  ###########################################################################
  # This code is developing yet!!
  # Target file(Already morphological analysis file) to process to word only.
  ###########################################################################
  
  argvs = sys.argv
  argc = len(argvs)
  if (argc != 2):
      print('Usage: # python %s filename' % argvs[0])
      quit()
  
  with open(argvs[1],mode='r', encoding='utf-8') as read_file:
      line = read_file.readlines()
      for l in line:
          split_text_list = str(l).split()
          print(split_text_list[0])
  
  
  
subject: Update a "process_to_only_word"