code: def receive(cfg, code, **kwargs):
      
      for name, value in kwargs.items():
          setattr(cfg, name, value)
      with cfg.timing.add("import", which="cmd_receive"):
          from . import cmd_receive
      if len(code) == 1:
          cfg.code = code[0]
      elif len(code) > 1:
          print("Pass either no code or just one code; you passed"
                " {}: {}".format(len(code), ', '.join(code)))
          raise SystemExit(1)
      else:
          cfg.code = None
  
      return go(cmd_receive.receive, cfg)
docs: Receive a text message, file, or directory (from 'wormhole send')