func readLine(strippingNewline:)(strippingNewline: Bool = true) -> String? Returns a string read from standard input through the end of the current line or until EOF is reached. Standard input is interpreted as UTF-8. Invalid bytes are replaced by Unicode replacement characters. Parameter strippingNewline: If true, newline characters and character combinations are stripped from the result; otherwise, newline characters or character combinations are preserved. The default is true.