func toUtf8(content []byte) (error, string) {
detector := chardet.NewTextDetector()
result, err := detector.DetectBest(content)
if err != nil {
return err, ""
}
if result.Charset == "utf8" {
return nil, string(content)
}
decoder := mahonia.NewDecoder(result.Charset)
return nil, decoder.ConvertString(string(content))
}
func main() {
flag.Parse()
var r io.Reader = os.Stdin
var w io.Writer = os.Stdout
if *from != "utf-8" {
decode := mahonia.NewDecoder(*from)
if decode == nil {
log.Fatalf("Could not create decoder for %s", *from)
}
r = decode.NewReader(r)
}
if *to != "utf-8" {
encode := mahonia.NewEncoder(*to)
if encode == nil {
log.Fatalf("Could not create decoder for %s", *to)
}
w = encode.NewWriter(w)
}
io.Copy(w, r)
}