fast example to see if a wav duration is a minute or more

wav_duration.go

package main

import (
	"fmt"
	"log"
	"os"
	"path/filepath"
	"time"

	"github.com/go-audio/wav"
)

func main() {
	files, err := filepath.Glob("/tmp/*wav")
	if err != nil {
		fmt.Println(err)
		os.Exit(-1)
	}
	for _, file := range files {
		fi, _ := os.Stat(file)
		if fi.IsDir() {
			continue
		}
		f, err := os.Open(file)
		if err != nil {
			log.Fatal(err)
		}
		defer f.Close()

		dur, err := wav.NewDecoder(f).Duration()
		if err != nil {
			fmt.Println(err)
			os.Exit(-1)
		}
		fmt.Printf("%s duration: %t\n", f.Name(), dur >= time.Minute)
	}
}