shell scripts for If a five digit number is entered through keyboard, calculate the sum of its digits.

 
-----------------------------Script---------------------------
echo -e "Please enter a 5 digit number : \c"
read number
len=`expr length $number`
if [ $len -ne 5 ]
then
        echo "Sorry the digit entered is not of 5 digit"
        exit
fi
sum=0
i=1
while [ $i -le 5 ]
do
        digit=`expr substr $number $i 1`
        sum=`expr $sum + $digit`
        i=`expr $i + 1`
done

echo "Sum of the digits = " $sum

-----------------------------output---------------------------
Please enter a 5 digit number : 12345
Sum of the digits =  15
-----------------------------END------------------------------

Milan Tomic

Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.