1、Sh_批量检测端口号

#!/bin/bash
#
#********************************************************************
#Author:		    zhuzikang
#QQ: 			    985848343
#Date: 			    2021-08-24
#FileName：		    check_port.sh
#URL: 			    zhuzikang.cn
#Description：		The test script
#Copyright (C): 	2021 All rights reserved
#********************************************************************

cat ip.txt|while read line
do
    /usr/bin/nc -w 1 -z $line > /dev/null 2>&1
    if [ $? -eq 0 ]
    then
        echo telnet $line ok
        sleep 1
    else
        echo telnet $line fail
    fi
done