code: public void go(File file, boolean append) throws IOException {
  		ICalWriter writer = new ICalWriter(file, append, getICalWriterConstructorVersion());
  		try {
  			go(writer);
  		} finally {
  			writer.close();
  		}
  	}
docs: Writes the iCalendar objects to a file.
  @param file the file to write to
  @param append true to append onto the end of the file, false to overwrite
  it
  @throws IOException if there's a problem writing to the file