EXP NO : 03 SHELL SCRIPTING PROGRAM
DATE : 24.08.2020
PROGRAM 1:
SHELL SCRIPT PROGRAM TO CHECK WHETHER A STRING IS PALINDROME:
!#/bin/bash
echo –n “Enter the string:”;
read str1
str=${str1,,}
len=${#str}
palindrome= “true”
let mid=len/2
let j=len-1
for (( i=0; i<$mid; i++ ))
do
left=${str:$i:1}
right=${str:$j:1}
let j=j-1
if [ $left != $right ]; then
palindrome = “false”
fi
done
if [ $palindrome = “true” ]; then
echo “The string $str is a palindrome”
else
echo “The string $str is a palindrome”
fi
OUTPUT:
