Shell Script Program Of Palindrome Number

num=545o

# Storing the remainder
s=0

# Store number in reverse
# order

rev=""

# Store original number
# in another variable

temp=$num

while [ $num -gt 0 ]
do
	# Get Remainder
	s=$(( $num % 10 ))

	# Get next digit
	num=$(( $num / 10 ))

	# Store previous number and
	# current digit in reverse
	rev=$( echo ${rev}${s} )

done

if [ $temp -eq $rev ];
then
	echo "Number is palindrome"

else
	echo "Number is NOT palindrome"

fi