mirror of https://github.com/perkeep/perkeep.git
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/rwcarlsen/goexif/exif"
|
|
"github.com/rwcarlsen/goexif/mknote"
|
|
"github.com/rwcarlsen/goexif/tiff"
|
|
)
|
|
|
|
var mnote = flag.Bool("mknote", false, "try to parse makernote data")
|
|
var thumb = flag.Bool("thumb", false, "dump thumbail data to stdout (for first listed image file)")
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
fnames := flag.Args()
|
|
|
|
if *mnote {
|
|
exif.RegisterParsers(mknote.All...)
|
|
}
|
|
|
|
for _, name := range fnames {
|
|
f, err := os.Open(name)
|
|
if err != nil {
|
|
log.Printf("err on %v: %v", name, err)
|
|
continue
|
|
}
|
|
|
|
x, err := exif.Decode(f)
|
|
if err != nil {
|
|
log.Printf("err on %v: %v", name, err)
|
|
continue
|
|
}
|
|
|
|
if *thumb {
|
|
data, err := x.JpegThumbnail()
|
|
if err != nil {
|
|
log.Fatal("no thumbnail present")
|
|
}
|
|
if _, err := os.Stdout.Write(data); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
return
|
|
}
|
|
|
|
fmt.Printf("\n---- Image '%v' ----\n", name)
|
|
x.Walk(Walker{})
|
|
}
|
|
}
|
|
|
|
type Walker struct{}
|
|
|
|
func (_ Walker) Walk(name exif.FieldName, tag *tiff.Tag) error {
|
|
data, _ := tag.MarshalJSON()
|
|
fmt.Printf(" %v: %v\n", name, string(data))
|
|
return nil
|
|
}
|