Shell Programming - Sum of Individual Digits

MC9227 - System Software Lab 

Practical Program - 6

Shell Programming - Sum of Individual Digits 

[rmurali@AntiViruS ~/SS]$ cat > shell1.sh

clear

echo "Practical Program 6 : Shell Programming"

echo;

echo "Sum of Individual Digits"

echo;

echo "Enter a number "

read n

sum=0

sd=0

while [ $n -gt 0 ]

do

 sd=`expr $n % 10`

 sum=`expr $sum + $sd`

 n=`expr $n / 10`

done

 echo "Sum of digit For number is $sum"

echo;

echo "End of Shell Program1"

[rmurali@AntiViruS ~/SS]$ sh shell1.sh

Practical Program 6 : Shell Programming

Sum of Individual Digits

Enter a number

434

Sum of digit For number is 11

End of Shell Program1

[rmurali@AntiViruS ~/SS]$