Method WriteConfigTo

viper.go:1642–1650

(w io.Writer)

func WriteConfigTo(w io.Writer) error { return v.WriteConfigTo(w) }

func (v *Viper) WriteConfigTo(w io.Writer) error {
	format := strings.ToLower(v.getConfigType())

	if !slices.Contains(SupportedExts, format) {
		return UnsupportedConfigError(format)
	}

	return v.marshalWriter(w, format)
}

// SafeWriteConfigAs writes current configuration to a given filename if it does not exist.
func SafeWriteConfigAs(filename string) error { return v.SafeWriteConfigAs(filename) }