deadlock.go

package main

import (
	"fmt"
	"os"
	"os/signal"
	"path/filepath"
	"syscall"

	"github.com/barasher/go-exiftool"
)

func main() {
	dir := os.Args[1]

	et, err := exiftool.NewExiftool()
	if err != nil {
		panic(err)
	}

	go runExiftool(dir, et)

	sig := make(chan os.Signal, 1)
	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)

	<-sig

	et.Close()
}

func runExiftool(dir string, et *exiftool.Exiftool) {
	list, err := os.ReadDir(dir)
	if err != nil {
		panic(err)
	}

	for _, fi := range list {
		fileInfos := et.ExtractMetadata(filepath.Join(dir, fi.Name()))

		for _, fileInfo := range fileInfos {
			if fileInfo.Err != nil {
				fmt.Printf("Error concerning %v: %v\n", fileInfo.File, fileInfo.Err)
				continue
			}

			for k, v := range fileInfo.Fields {
				fmt.Printf("[%v] %v\n", k, v)
			}
		}
	}
}