useage

color option

number              color
------------------------------------
1                   red
2                   blue
3                   magenta
4                   yellow
5                   white
6                   cyan
7                   green

API

• func AddTask(tip string, color int, tasks ...string) string: print the tasks and return the option you selected. If you pass "" to tip, it will use build-in tip, otherwise it will use customed tip; color is a int number, which ranges from 1-7, default 6.
• func AddQuestion(name, tip, retip, re string) *model.Questions
• func Exec() map[string]string: return the result with map
• func AskQuestion(tip string) string
• func Info(str string): print info
• func Warning(str string): print warning info
• func Trim(value string) string: trim space of the value received from terminal
• func SelectOne(desc, tip string, color_option int, t model.Tasker) int: select one item from slice, return the index of the slice, if invalid return -1, see example

interface

type Tasker interface {
	HandleItems() []string
}

package main

import (
	"fmt"
	"github.com/scott-x/gutils/cmd"
)

func main() {
	// option := cmd.AddTask("swmiming", "eating", "sleeping") detatched
	option := cmd.AddTask("", 7, "swmiming", "eating", "sleeping")
	switch option {
	case "1":
		//do something
		task1()
	//anycode here ...
	case "2":
		//do something
	default:
		//do something
	}
}

func task1() {
	cmd.AddQuestion("name", "What's your name ? ", "Please input correct name: ", "^[a-z]+")
	cmd.AddQuestion("age", "What's your age ? ", "Please input correct age: ", "^[0-9]{2}$")
	answers := cmd.Exec()
	fmt.Println(answers)
}