code: def cmd_generate(args):
      
  
      if args.start:
          if args.end or args.reply:
              raise ValueError('multiple input arguments')
          args.reply_to = args.start
          args.reply_mode = ReplyMode.END
      elif args.end:
          if args.reply:
              raise ValueError('multiple input arguments')
          args.reply_to = args.end
          args.reply_mode = ReplyMode.START
      elif args.reply:
          args.reply_to = args.reply
          args.reply_mode = ReplyMode.REPLY
      else:
          args.reply_to = None
          args.reply_mode = ReplyMode.END
  
      markov = load(MarkovText, args.state, args)
  
      ss = range(args.count)
      if args.progress:
          title = truncate(args.output.name, BAR_DESC_SIZE - 1, False)
          ss = tqdm(ss, desc=title,
                    bar_format=BAR_FORMAT, dynamic_ncols=True)
  
      if not args.format:
          markov.formatter = lambda x: x
  
      for _ in ss:
          data = markov(
              args.words,
              state_size=args.state_size,
              reply_to=args.reply_to,
              reply_mode=args.reply_mode
          )
          if data:
              print(data)
docs: Generate text.
  
      Parameters
      ----------
      args : `argparse.Namespace`
          Command arguments.