balingdemomo的专栏

原创 Linux shell 编程：查找一段IP地址是否被占用！

#!/bin/bash if [ $# != 3 ];then         echo "ip_test need three parameter ex > { ip_test arg1 arg2 arg3 }" && exit 1 fi arg1=$(echo $1 | grep [^0-9]) arg2=$(echo $2 | grep [^0-9]) arg3=$(echo