package main

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

func interactiveShell() {
	fmt.Println("Let's try an interactive shell!")
	scanner := bufio.NewScanner(os.Stdin)
	for {
		fmt.Print("> ")
		if !scanner.Scan() {
			break
		}
		text := strings.Trim(scanner.Text(), " ")
		textFields := strings.Fields(text)
		if len(textFields) == 0 {
			continue
		}
		cmd := textFields[0]
		fmt.Printf("Read input: %q\n", textFields)

		switch cmd {

		default:
			fmt.Printf("Unknown command '%s'\n", cmd)
		}

	}
	fmt.Println("\nGoodbye!\n")
}