abstract fun asFile(charset: String): File
Returns a file containing the resource's text and using the given character encoding. If this resource is backed by a file with a matching encoding, that file may be returned. Otherwise, a temporary file will be created and returned.
charset - a character encoding (e.g. "utf-8")
Return
a file containing the resource's text and using the given character encoding
abstract fun asFile(): File
Same as asFile(Charset.defaultCharset().name()).