public static void addToSubs(String str){
		if(str.startsWith("@")){
			str = str.substring(1);
		}
		subFile = new File(str + "Subs.UMW");
		boolean exists = false;
		if(subFile.exists()){
			try {
				Scanner input = new Scanner(subFile);
				while(input.hasNextLine()){
					if(input.nextLine().contentEquals(userObj.getUser())){
						exists = true;
					}
				}
				input.close();
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			}
		}
		if(!exists){
			updateFile(userObj.getUser() + "\n", subFile);
			JOptionPane.showMessageDialog(null, "You are now subscribed to " + str);
		}else{
			JOptionPane.showMessageDialog(null, "You are already subscribed.");
		}
	}