Shell Script to find if a String is Palindrome or not

A palindrome is a word, number, phrase, or other sequence of characters which reads the same backward as forward.

Like "MADAM" this string will be same if we reverse the characters.

Note: An empty string and any single characters are palindromes by default.

Script:

echo "input your string without space"

read vstr

for i in $(seq 0 ${#vstr})

rvstr=${vstr:$i:1}${rvstr}

done

echo "Input string was :" $vstr

echo "After reversng string is :" $rvstr

if [ "$vstr" = "$rvstr" ]

then

echo "String is palindrome."

else

echo "String is not plaindrome."

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