code: public void go(File file) throws IOException {
  		JCalWriter writer = new JCalWriter(file, wrapInArray());
  		try {
  			go(writer);
  		} finally {
  			writer.close();
  		}
  	}
docs: Writes the iCalendar objects to a file.
  @param file the file to write to
  @throws IOException if there's a problem writing to the file