shell判断指定网站是否正常

#!/bin/sh

[ -e /etc/init.d/functions ]&& . /etc/init.d/functions || exit 0

if [ $? -eq 0 ];then

   for i in $(seq 1 1 255)

    do  

     IP="172.20.100." 

     ping -c 1 $IP$i &>/dev/null

     if [ $? -eq 0 ];then

       action "ping $IP$i ok!" /bin/true &>>pingOK.txt

       echo "#########################################" &>>pingOK.txt

     else 

       action "ping $IP$i error!" /bin/false &>>pingERROR.txt

       echo "#########################################" &>>pingERROR.txt

     fi

     echo "ping ip:172.20.100.1-255 ok!"

   done

else

   echo "reload /etc/init.d/functions file error!"

fi

shell判断指定网站是否正常

原文：http://12187655.blog.51cto.com/12177655/1920704