Answer to Question #292723 in UNIX/Linux Programming for Lavu

Question

Write a shell script to determine if an input number is a palindrome or not.

Answer 1

echo "Enter the number"

read n

function pal

{

number=$n

reverse=0

while [ $n -gt 0 ]

do

a=`expr $n % 10 `

n=`expr $n / 10 `

reverse=`expr $reverse \* 10 + $a`

done

echo $reverse

if [ $number -eq $reverse ]

then

   echo "Number is palindrome"

else

   echo "Number is not palindrome"

fi

}

r=`pal $n`

echo "$r"