Write a script to check whether a given number is palindrome or not.

clear
echo "              NUMBER PALINDROME OF NOT"
echo "              ========================"
echo "ENTER NUMBER : "
read no
temp=$no
revno=0
while [ $no -ne 0 ]
do
a=`expr $no % 10`
no=`expr $no / 10`
revno=`expr $revno \* 10 + $a`
done
if [ $temp -eq $revno ];then
echo "Number is palindrome"
else
echo "Number is not palindrome"
fi

Write a script to check whether a given string is palindrome or not.

clear
echo " STRING PALINDROME OF NOT"
echo " ========================"
echo "ENTER STRING : "
read str
len=`echo $str | wc -c`
i=1

while [ $i -le $len ]
do
ch=`echo $str | cut -c $i`
revstr="$ch$revstr"
i=`expr $i + 1`
done
if [ "$str" == "$revstr" ];then
echo "String is palindrome"
else
echo "String is not palindrome"
fi