gistfile1.go

package main

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

func main() {

	for {
		prompt := bufio.NewReader(os.Stdin)
		fmt.Print("$> ")

		response, err := prompt.ReadString('\n') // this will prompt the user for input

		if err != nil {
			fmt.Println(err)
			os.Exit(1)
		}

		r := strings.Split(response, "\n")
		
		switch r[0] {
		case "go":
			fmt.Println("Okay!")
		case "exit":
			os.Exit(0)
		case "s":
			var b string
			for {
				fmt.Println("I dunno.")
				fmt.Scanf("%s", &b)
			}
		default:
			// default case: step n times or until keypress??
			var b string
			n, _ := strconv.Atoi(r[0])
			for i := 1; i < (n + 1); i++ {
				fmt.Println(i, " I dunno.")
				fmt.Scanf("%s", &b)
				if b == "x" {
					break
				}
			}
		}
	}
}