learngo/11-if/exercises/03-arg-count/solution/main.go

// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials  : https://learngoprogramming.com
// In-person training  : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus

package main

import (
	"fmt"
	"os"
)

func main() {
	var (
		args = os.Args
		l    = len(args) - 1
	)

	if l == 0 {
		fmt.Println("Give me args")
	} else if l == 1 {
		fmt.Printf("There is one: %q\n", args[1])
	} else if l == 2 {
		fmt.Printf(
			`There are two: "%s %s"`+"\n",
			args[1], args[2],
		)
	} else {
		fmt.Printf("There are %d arguments\n", l)
	}
}