kotlin-stdlib / kotlin.io.path / java.nio.file.Path / appendText appendText JVM JRE7 1.5 fun Path.appendText( text: CharSequence, charset: Charset = Charsets.UTF_8)(source) Appends text to the content of this file using UTF-8 or the specified charset. Parameters text - text to append to file. charset - character set to use for writing text, UTF-8 by default.