package main

import (
	"flag"
	"image"
	_ "image/jpeg"
	"log"
	"os"
)

func main() {
	flag.Parse()

	for _, filename := range flag.Args() {
		f, err := os.Open(filename)
		if err != nil {
			log.Fatal(err)
		}

		if _, _, err := image.Decode(f); err != nil {
			log.Println(filename + ": " + err.Error())
		} else {
			log.Println(filename + ": sucess")
		}
	}
}