UNIX for Beginners Questions & Answers

echo "Enter the initial ip:"
read inip
echo "Enter the end ip:"
read endip
for (( i=0; i<=$endip; i++ ))
do
if ping -c 4 $inip
then
echo "pingable"
else
echo "not pingable"
fi
done
echo "Done"

BIP1=$((0x$(printf "%02X" ${inip//./ })));
BIP2=$((0x$(printf "%02X" ${endip//./ })));
for ((I=BIP1; I<=BIP2; I++))
  do ping $(printf "%d.%d.%d.%d\n" $((I>>24)) $((I>>16&255)) $((I>>8&255))  $((I&255)) )
  done

echo "Enter the initial ip:"
read inip
echo "Enter the end ip:"
read endip
a= echo $inip | awk -F. '{print $4}'
b= echo $endip | awk -F. '{print $4}'
c= echo $inip | head -c10

pingfunc ()
{
for (( i=$a; i<=$b; i++ ))
do 
if ping -c 4 $c$i
then
echo "pingable"
else
echo "not pingable"
fi
done
}
pingfunc
echo "Done"

echo "Enter the initial ip:"
read inip
echo "Enter the end ip:"
read endip
a=$(echo $inip | awk -F. '{print $4}')
b=$(echo $endip | awk -F. '{print $4}')
c=$(echo $inip | head -c10)

pingfunc ()
{
for (( i=$a; i<=$b; i++ ))
do 
if ping -c 4 $c$i
then
echo "pingable"
else
echo "not pingable"
fi
done
}
pingfunc
echo "Done"

IP1=172.30.36.1
IP2=172.30.36.10
for ((i=${IP1##*.}; i<=${IP2##*.}; i++)); do echo ping -c4 ${IP1%.*}.$i; done