new_contents: #!/usr/bin/python
  
  import sys
  
  if len(sys.argv) == 1:
      print "usage : %s dict_file1 dict_file2 ..."
      exit(1)
  
  d = {}
  
  for fname in sys.argv[1:]:
      with open(fname, "r") as fin:
          for i, line in enumerate(fin):
              try:
                  word, cnt, tag = line.strip().split(" ")
                  if word in d:
                      print "error file[%s] line[%s] : %s" %(fname, i, line)
                      exit(1)
                  else:
                      d[word] = True
                  
                  if 0 >= int(cnt) :
                      print "error file[%s] line[%s] : %s" %(fname, i, line)
                      exit(1)
              except Exception as err:
                  print "error file[%s] line[%s] : %s" %(fname, i, line)
                  exit(1)
  
  print "OK"
  
subject: add scripts/check_dict.py