35 lines
		
	
	
		
			688 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			35 lines
		
	
	
		
			688 B
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // For more tutorials: https://blog.learngoprogramming.com | ||
|  | // | ||
|  | // Copyright © 2018 Inanc Gumus | ||
|  | // Learn Go Programming Course | ||
|  | // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ | ||
|  | // | ||
|  | 
 | ||
|  | package main | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"fmt" | ||
|  | 	"os" | ||
|  | 	"strconv" | ||
|  | ) | ||
|  | 
 | ||
|  | // 🛑 DON'T DO THIS: | ||
|  | //     It's hard to read. | ||
|  | //     It's just an exercise. | ||
|  | 
 | ||
|  | func main() { | ||
|  | 	if len(os.Args) != 2 { | ||
|  | 		fmt.Println("Requires age") | ||
|  | 		return | ||
|  | 	} else if age, err := strconv.Atoi(os.Args[1]); err != nil || age < 0 { | ||
|  | 		fmt.Printf(`Wrong age: %q`+"\n", os.Args[1]) | ||
|  | 		return | ||
|  | 	} else if age > 17 { | ||
|  | 		fmt.Println("R-Rated") | ||
|  | 	} else if age >= 13 && age <= 17 { | ||
|  | 		fmt.Println("PG-13") | ||
|  | 	} else if age < 13 { | ||
|  | 		fmt.Println("PG-Rated") | ||
|  | 	} | ||
|  | } |