检测局域网哪些主机在线....

文本：

#!/bin/bash

#Author:wangergui       QQ:291131893            Email:291131893@qq.com

#Release 1.0

#Function: Check LAN which IP online

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:~/bin

[[ -f /etc/init.d/functions ]] && . /etc/init.d/functions || exit 3

function check_ip () {

trap 'exit' SIGINT

Network="192.168.3"

Num=1

while [[ ${Num} -le 10 ]];do

ping -c 1 -W 1 ${Network}.${Num} >/dev/null 2>&1

[[ $? -eq 0 ]] && action "${Network}.${Num} is online" /bin/true || action "${Network}.${Num} is offline" /bin/false

let Num++

done

}

check_ip