Write a script to accept a number from user until he enters 0 & find sum of all that numbers.

#!/bin/bash
# Script to find sum of numbers until user enters 0

sum=0

echo "Enter numbers (enter 0 to stop):"

while true
do
    read num
    if [ $num -eq 0 ]; then
        break
    fi
    sum=$((sum + num))
done

echo "Sum of entered numbers = $sum"