public Object evalFile(String file) throws IOException {
		try {
			BufferedReader r = new BufferedReader(new InputStreamReader(
					new FileInputStream(path + file)));
			String line;
			String script = "";
			while ((line = r.readLine()) != null) {
				script += line + " ";
			}
			r.close();
			return this.engine.eval("(" + script.trim() + ")");
		} catch (ScriptException e) {
			e.printStackTrace();
		}
		return null;
	}