shell/测试该网站存活的ip有哪些.txt

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#!/usr/bin/bash
#
#by fuxiaoshun 4/2
ip=1.92.66
for i in {1..10}
do
ping -c1 $ip &>/dev/null
if [ $? -eq 0 ];then
echo "$ip.$i通" >>/tmp/up.txt
else
echo "$ip.$i不通" >>/tmp/down.txt
fi
done