ping主机三次是否通

#!/bin/bash
ping_success() {

                                ping -c1 -W1 $ip &>/dev/null
                                if [ $? -eq 0 ];then
                                   echo "$ip is up.."
                                     continue
                                fi

}

while read ip
do
ping_success
ping_success
ping_success
echo "$ip is down..."

done <ip.text

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转载自blog.51cto.com/5776643/2385453