+ print("Input: " + cmd)
+ tokens = shlex.split(cmd)
+ if "QUIT" == tokens[0] and 1 == len(tokens):
+ raise SystemExit("received QUIT command")
+ elif "PING" == tokens[0] and 1 == len(tokens):
+ io_db["file_out"].write("PONG\n")
+ elif "MAKE_WORLD" == tokens[0] and 2 == len(tokens):
+ print("I would generate a new world now, if only I knew how.")
+ else:
+ print("Invalid command/argument, or bad number of tokens.")