#Program to reverse a number
tput clear

rev=0
count=0

echo -e "Enter a number: \c"
read num

origin=$num

while [ $num -ne 0 ]
do
    digit=`expr $num % 10`
    rev=`expr $rev \* 10 + $digit`

    num=`expr $num / 10`

    count=`expr $count + 1`
done

printf "Reverse of %d is %0*d\n" $origin $count $rev