ping主机up or down

#!/bin/bash
#ping host down or up


for i in `cat /home/zhanghaodong/ping.txt`
do

        ping -c 3  -w 2 -i 0.2   $i &>/dev/null
    if [ $? -eq 0  ];then
        echo "$i is  up"
    else
        echo "$i is down"
    fi
done