My solution to http://reddit.com/r/dailyprogrammer challenge #130

gistfile1.go

// My solution to http://reddit.com/r/dailyprogrammer challenge #130
package main

import (
	"fmt"
	"os"
	"math/rand"
	"time"
)

func parseString(str string) (rolls, sides int) {
	_, _ = fmt.Sscanf(str, "%dd%d", &rolls, &sides)
	return
}

func random(min, max int) int {
	rand.Seed(time.Now().UnixNano())
	return rand.Intn(max) + 1
}

func main() {
	if len(os.Args) < 2 {
		fmt.Println("Usage: dice 2d20")
		return
	}

	rolls, sides := parseString(os.Args[1])
	fmt.Println("Rolls:", rolls, "\nSides:", sides)

	for i := 0; i < rolls; i++ {
		fmt.Print(random(1, sides), " ")
	}


	fmt.Print("\n")
}