package main

import (
	"fmt"
	"time"
)

func main() {
	_startTime := time.Now()
	defer func() {
		fmt.Print("Time cost: ")
		fmt.Println(time.Now().Sub(_startTime))
	}()

	p, fi := PathOrPWD()
	if !fi.IsDir() {
		fmt.Println(p)
		fmt.Println("empty-dir: Arg must be dir path.")
		return
	}

	emptyDir(p)
}