自动ping某个网段的主机

时间：2010-03-09 来源：U17

read -p "Please input a network address:" IP
let NET=`echo $IP | cut -d'.' -f3`
if [ $NET -le 254 -a $NET -ge 0 ]
then
   for I in {1..254}
   do       trap 'trap 2' SIGINT SIGTERM
      echo "Now is ping 192.168.$NET.$I..."
      ping -c 3 -t 2 192.168.$NET.$I &> /dev/null
      if [ $? -eq 0 ]
      then
         echo -e "\033[32mThe host of 192.168.$NET.$I is on line\033[0m"
      else
         echo -e "\033[33mThe host of 192.168.$NET.$I is off line\033[0m"
      fi    done
else
   echo "Input Error,Exit!"
fi

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