public static boolean checkSender(String sender) {
        String fileName = "L:/HypeBotWorkspace/HypeBot/src/config/allowedUsers.txt";
        File file = new File(fileName);
        String current;
        int lineCount = 0;
        String[] allowedArray = null;
        boolean isAllowed = false;

        Scanner fileIn;
        Scanner fileIn2;
        try {
            fileIn = new Scanner(file);
            fileIn2 = new Scanner(file);

            while (fileIn.hasNextLine()) {
                lineCount++;
                fileIn.next();
            }

            allowedArray = new String[lineCount];

            for (int i = 0; i < allowedArray.length; i++) {
                current = fileIn2.next();
                allowedArray[i] = current;
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

        for (int i = 0; i < allowedArray.length; i++) {
            if (sender.equals(allowedArray[i])) {
                isAllowed = true;
            }
        }

        return isAllowed;
    }