Generate a ULID on the commandline

ulid.go

package main

import (
	"fmt"
	"math/rand"
	"strings"
	"time"

	"github.com/oklog/ulid"
)

func main() {
	t := time.Now()
	entropy := rand.New(rand.NewSource(t.UnixNano()))
	fmt.Println(strings.ToLower(ulid.MustNew(ulid.Timestamp(t), entropy).String()))
}