2020-08-22 局域网，ping，可以通的IP地址

目的

查看局域网内在用的IP地址

代码

#!/bin/bash

for value in {1..255}
do
    result=$(ping 192.168.9.${value} -c 2 | grep '100% packet loss')
    if [[ ${result} == "" ]];then
        t=$(date '+%Y-%m-%d %H:%M:%S')
        echo ${t} 192.168.9.${value} >> ip.txt
    fi
    echo "process " 192.168.9.${value}
done