diff --git a/cmd/sbutil.go b/cmd/sbutil.go
new file mode 100644
index 0000000..ae3e083
--- /dev/null
+++ b/cmd/sbutil.go
@@ -0,0 +1,198 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/alexflint/go-arg"
+
+	"git.zorchenhimer.com/Zorchenhimer/go-studybox/rom"
+)
+
+type Arguments struct {
+	Pack   *ArgPack   `arg:"subcommand:pack"`
+	UnPack *ArgUnPack `arg:"subcommand:unpack"`
+}
+
+type ArgPack struct {
+	Input string `arg:"positional,required"`
+}
+
+type ArgUnPack struct {
+	Input   string `arg:"positional,required" help:".json metadata file"`
+	NoAudio bool   `arg:"--no-audio" help:"Do not unpack the audio portion"`
+	OutDir  string `arg:"--dir" help:"Base directory to unpack into (json file will be here)"`
+}
+
+func main() {
+	args := &Arguments{}
+	arg.MustParse(args)
+	var err error
+
+	switch {
+	case args.Pack != nil:
+		err = pack(args.Pack)
+	case args.UnPack != nil:
+		err = unpack(args.UnPack)
+	default:
+		fmt.Fprintln(os.Stderr, "Missing command")
+		os.Exit(1)
+	}
+
+	if err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(2)
+	}
+}
+
+func pack(args *ArgPack) error {
+	if !strings.HasSuffix(args.Input, ".json") {
+		return fmt.Errorf("Pack needs a json file as input")
+	}
+
+	//fmt.Println("-- Processing " + args.Input)
+	sb, err := rom.Import(args.Input)
+	if err != nil {
+		return err
+	}
+
+	//outDir := filepath.Base(args.Input)
+	//outDir = strings.ReplaceAll(outDir, ".json", "_output")
+
+	//err = os.MkdirAll(outDir, 0777)
+	//if err != nil {
+	//	return err
+	//}
+
+	//err = sb.Export(outDir)
+	//if err != nil {
+	//	return err
+	//}
+
+	// TODO: put this in the json file?
+
+	outname := args.Input[:len(args.Input)-len(".json")]+".studybox"
+	fmt.Println(outname)
+	err = sb.Write(outname)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func unpack(args *ArgUnPack) error {
+	//fmt.Println("-- Processing " + file)
+	if !strings.HasSuffix(args.Input, ".studybox") {
+		return fmt.Errorf("Input needs to be a .studybox file.")
+	}
+
+	//outDir := filepath.Base(args.Input)
+	outbase := filepath.Base(args.Input[:len(args.Input)-len(".studybox")])
+	outdir := filepath.Dir(args.Input)
+	if args.OutDir != "" {
+		outdir = args.OutDir
+	}
+	outname := filepath.Join(outdir, outbase)
+	fmt.Println(outname)
+	//outDir = strings.ReplaceAll(outDir, ".studybox", "")
+
+	err := os.MkdirAll(outname, 0777)
+	if err != nil {
+		return err
+	}
+
+	sb, err := rom.ReadFile(args.Input)
+	if err != nil {
+		return err
+	}
+
+	err = sb.Export(outname, !args.NoAudio)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+//func main_old() {
+//	if len(os.Args) < 3 {
+//		fmt.Println("Missing command")
+//		os.Exit(1)
+//	}
+//
+//	matches := []string{}
+//	for _, glob := range os.Args[2:len(os.Args)] {
+//		m, err := filepath.Glob(glob)
+//		if err != nil {
+//			fmt.Println(err)
+//			os.Exit(1)
+//		}
+//		matches = append(matches, m...)
+//	}
+//
+//	if len(matches) == 0 {
+//		fmt.Println("No files found!")
+//	}
+//
+//	switch strings.ToLower(os.Args[1]) {
+//	case "unpack":
+//		for _, file := range matches {
+//			fmt.Println("-- Processing " + file)
+//			outDir := filepath.Base(file)
+//			outDir = strings.ReplaceAll(outDir, ".studybox", "")
+//
+//			err := os.MkdirAll(outDir, 0777)
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//			sb, err := rom.ReadFile(file)
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//			err = sb.Export(outDir)
+//			if err != nil {
+//				fmt.Println(err)
+//			}
+//		}
+//	case "pack":
+//		for _, file := range matches {
+//			fmt.Println("-- Processing " + file)
+//			sb, err := rom.Import(file)
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//			outDir := filepath.Base(file)
+//			outDir = strings.ReplaceAll(outDir, ".json", "_output")
+//
+//			err = os.MkdirAll(outDir, 0777)
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//			err = sb.Export(outDir)
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//			// TODO: put this in the json file?
+//
+//			err = sb.Write(outDir + ".studybox")
+//			if err != nil {
+//				fmt.Println(err)
+//				continue
+//			}
+//
+//		}
+//	}
+//}