shell 测试多IP和和多端口的组合的连通性

shell 测试多IP和和多端口的组合的连通性

cat ip_port.sh

###########################################

#!/bin/bash

ips=(

192.168.1.101

192.168.1.102

192.168.1.103

)

ports=(

11

22

33

)

for ip in ${ips[@]}

do

for port in ${ports[@]}

do

echo > /dev/tcp/${ip}/${port} > /dev/null 2>&1

if [ $? -eq 0 ]; then

  echo -e "\033[32m${ip}:${port} is open.\033[0m"

fi

done

done

###########################################

#!/bin/bash

read -p "请输入一个整数: " number

expr ${number} “+” 1 > /dev/null 2>&1

if [ $? -ne 0 ];then

echo "你的输入不合法，程序退出!"

exit

fi

if [[ ${number:0:1} == “0” ]] || [[ ${number:0:2} == “-0” ]]; then

echo "你的输入不合法，程序退出!"

exit

else

echo ${number}

for i in `seq 1 1 9`

do

  echo "`echo ${number}${i}` = `expr ${number} \* ${i}`"

done

fi