Shell Script to accept a number from user and check whether the number is even or odd .

Code:
echo -n "Enter the number : "
read n
let rem=n%2
if test $rem -eq 0
then
        echo "$n is a even number ."
else
        echo "$n is a odd number ."
fi


Output:
[ty2011330@localhost ~]$ sh j11.sh
Enter the number : 7
7 is a odd number .
[ty2011330@localhost ~]$ sh j11.sh
Enter the number : 10
10 is a even number .