func parseFlags(o *mhopts.Options) error {
flag.Parse()
if err := o.ParseError(); err != nil {
return err
}
if checkRaw != "" {
var err error
checkMh, err = mhopts.Decode(o.Encoding, checkRaw)
if err != nil {
return fmt.Errorf("fail to decode check '%s': %s", checkRaw, err)
}
}
return nil
}
