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gpsinfo.go
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/
gpsinfo.go
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package main
import (
"fmt"
"log"
"os"
"path/filepath"
"github.com/tajtiattila/metadata/exif"
"github.com/tajtiattila/metadata/exif/exiftag"
)
func main() {
for _, arg := range os.Args[1:] {
filepath.Walk(arg, func(path string, info os.FileInfo, err error) error {
if err != nil {
log.Println(err)
return nil
}
if info.Mode().IsDir() {
return nil
}
if err := desc(path); err != nil {
log.Println(err)
}
return nil
})
}
}
func desc(fn string) error {
fmt.Println(fn)
f, err := os.Open(fn)
if err != nil {
return err
}
defer f.Close()
x, err := exif.Decode(f)
if err != nil {
return err
}
xf := exif.Formatter{x.ByteOrder}
for _, e := range x.GPS {
n := exiftag.Id(exiftag.GPS | uint32(e.Tag))
fmt.Printf(" %s = %s\n", n, xf.Value(e.Type, e.Count, e.Value))
}
return nil
}