Go program for listing apps on an Android device

ListApps.go

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"path/filepath"
	"strings"

	"github.com/lunny/axmlParser"
)

func listApps(location string) error {
	files, err := ioutil.ReadDir(location)
	if err != nil {
		return err
	}
	for _, fileInfo := range files {
		if strings.HasSuffix(fileInfo.Name(), ".apk") {
			apkfilepath := filepath.Join(location, fileInfo.Name())
			apk := new(axmlParser.AppNameListener)
			if _, err := axmlParser.ParseApk(apkfilepath, apk); err != nil {
				return err
			}
			fmt.Printf("Package: %s Version: %s %s\n", apk.PackageName,
				apk.VersionName, apk.VersionCode)
		}
	}
	return nil
}

func main() {
	fmt.Printf("System applications:\n")
	if err := listApps("/system/app"); err != nil {
		log.Fatalf("Failed to list system applications: %v\n", err)
	}
	fmt.Printf("User applications:\n")
	if err := listApps("/data/app"); err != nil {
		log.Fatalf("Failed to list user applications: %v\n", err)
	}
}