#!/bin/bash
sum=0
echo -n "Enter starting number: "
read s;
echo -n "Enter limit number: "
read limit;
sumDigit(){
a=$1
until [ $a -eq 0 ]
do
rem=$((a%10))
sum=$((sum+rem))
a=$((a/10))
done 
}
for((i=$s; i<=limit; i++))
do
sumDigit $i
done
echo "The sum of the digit: $sum"





























#!/bin/bash

sum=0
echo -n "Enter starting number: "
read start;
echo -n "Enter limit number: "
read limit;

primeCheck(){
n=$1
if [ $((n%2)) -eq 0 ] ;
then 
echo "$n is not a prime number."
else 
echo "$n is a prime number."
fi
}
for((i=$start; i<=$limit; i++))
do
primeCheck $i
done