void concatFiles(File file, File other) {
		// concatenates other to the bottom of file
		try {
			BufferedReader oreader = new BufferedReader(new FileReader(other));
			BufferedWriter fwriter = new BufferedWriter(new FileWriter(file,true));
			String line;
			while((line = oreader.readLine()) != null) {
				fwriter.write(line);
				fwriter.newLine();
			}
			fwriter.close();
			oreader.close();
			other.delete();
		}
		catch(IOException ie) {
			ie.printStackTrace();
		}
	}