shell ping ip段

#!/bin/bash

checkalive (){

    NODE=$1

    ping -c 3 $NODE>/dev/null 2>&1

    if [ $? -eq 0 ]

    then

        echo "$NODE is alive"

    else

        echo "$NODE is not alive"

    fi

}

input="$1"

ips=$(echo ${input%.*}.)

start=$(echo ${input##*.} | awk -F- '{print $1}')

end=$(echo ${input##*.} | awk -F- '{print $2}')

echo $start

echo $end

for(( i=$start;i<=$end;i++ ))

do

   ip="$ips$i"

    checkalive  $ip

done

 

./alive.sh  192.168.1.1-254