SHELL SCRIPT TO CHECK WHETHER A GIVEN WORD IS PALINDROME OR NOT.

echo "Enter a string"
read str
len ="echo $str | WC - C"
len =`expr $len -1`
while test $len -ne 0
do
i ="echo $str | cut -C $len"
a =$a $i
len = `expr $len -1`
done
if test $str =$a
then
echo "String is Palindrome"
else
echo "Not Palindrome"
fi




Output ->  Enter a string
                    abcba
                   String is Palindrome