MAC OS X telnet 客户端

MAC 下运行的 telnet 客户端，需要安装 python3 的环境。 `#!/usr/local/bin/python3 import socket import sys import re

if name == ' main ': if len(sys.argv) != 3: print("Usage: telnet [remote_ip | FQDN] [remote_port]") exit() if re.match(r"\d{1,5}",sys.argv[2]) is None: print("remote port must be number") exit() hostname = sys.argv[1] remote_port = int(sys.argv[2]) telnet_client = socket.socket(socket.AF_INET,socket.SOCK_STREAM) try: telnet_client.connect((hostname,remote_port)) print(hostname+":"+str(remote_port)+" is open\n") exit() except Exception: print(hostname+":"+str(remote_port)+" is closed\n") exit()`

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