// Chapter 21 example: add up numbers until the input runs out.
// Run with: go run exercises/21/07-read-until-end.go

package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	reader := bufio.NewReader(os.Stdin)

	total := 0
	for {
		fmt.Print("Number: ")
		text, err := reader.ReadString('\n')
		line := strings.TrimSpace(text)
		if err != nil && line == "" {
			fmt.Println("No more input.")
			break
		}

		number, err := strconv.Atoi(line)
		if err != nil {
			fmt.Println("Skipped:", line)
			continue
		}
		total += number
	}

	fmt.Println("Total:", total)
}