roll dice

gistfile1.go

// dice.go
package main

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

func main() {

  sidesPtr := flag.Int("s", 6, "roll s sided die")
  countPtr := flag.Int("n", 3, "roll n dice")
  flag.Parse()

  rand.Seed(time.Now().UnixNano())

  fmt.Println("Rolling", *countPtr, "dice...")
  rolls := make([]int, *countPtr)
  for i := 0; i < len(rolls); i++ {
    rolls[i] = rand.Intn(*sidesPtr) + 1
  }

  for i := range rolls {
    fmt.Printf("%d ", rolls[i])
  }
  fmt.Print("\n")
}