Bash script to check the input string is palindrome or not.

How to print the reverse of number n entered by user

Linux Bash Script

echo "Input the string without space"
read str

for i in $(seq 0 ${#str}) ; do
        revstr=${str:$i:1}$revstr
done

echo "The given string is " $str
echo "Its reverse is " $revstr

if [ "$str" = "$revstr" ]; then
        echo "It is a palindrome."
else
        echo "It is not a palindrome."
fi

Execute the Linux Script

./9_palindrome_or_not.sh

Output of Linux Script

Input the string without space
malayalam
The given string is  malayalam
Its reverse is  malayalam
It is a palindrome.