shell 腳本 ping域名獲取IP

#!/bin/bash domain=`cat ym.txt` for i in $domain do IP=`ping $i -c 1 |awk 'NR==2 {print $5}' |awk -F ':' '{print $1}' |sed -nr "s#\(##gp"|sed -nr "s#\)##gp"`     echo $IP >> ip.txt done ~            

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