func setKeywords(img *model.Image, path string, kwds []string) error {
// charset issues?
// log.Printf("%s: kwds: %d\n", path, len(kwds))
tmp := "/tmp/k.txt"
text := "2#25#Keyword=" + strings.Join(kwds, ";")
err := ioutil.WriteFile(tmp, []byte(text), 0777)
if err != nil {
return err
}
cmd := exec.Command(
*model.BinRoot+"mogrify", "-comment", "JFIFComment", "-profile",
"8BIMTEXT:"+tmp, path)
out, err := cmd.Output()
if err != nil {
log.Printf("%v: %s\n", cmd.Args, out)
return err
}
os.Chtimes(path, img.FileTime(), img.FileTime())
return nil
}
func keywordsToSet(img *model.Image, file_kwds []string,
oldex map[string][]string) ([]string, bool) {
// log.Printf("%s file: %s\n", img.Name(), strings.Join(file_kwds, ", "))
// log.Printf("%s db : %s\n", img.Name(), strings.Join(img.Keywords(), ", "))
present := make(map[string]bool)
var kwds []string
var k string
for _, k = range img.Keywords() {
kwds = appendIfNew(kwds, k, present)
}
for _, k = range file_kwds {
kwds = appendIfNew(kwds, k, present)
}
old_kwds, has_old := oldex[img.Name()]
if has_old {
for _, k = range old_kwds {
kwds = appendIfNew(kwds, k, present)
}
}
return kwds, len(kwds) != len(file_kwds)
}