public static int getIndexVar(String path, String main, String var){
        String line;
        int bytesVarIndex = 0;
        int bytesVarIndexMain = 0;

        try {
            BufferedReader br = new BufferedReader(new FileReader(path));
            while (!isNull(line = br.readLine())){
                    bytesVarIndex++;
                if ("[".equalsIgnoreCase(String.valueOf(line.charAt(0))) && "]".equalsIgnoreCase(String.valueOf(line.charAt((line.length()) - 1)))){
                    if (main.equalsIgnoreCase(line)){
                        while(!isNull(line = br.readLine())){
                            ++bytesVarIndexMain;
                            if(var.equalsIgnoreCase(line.substring(0, line.indexOf("=")))){
                                br.close();
                                return (bytesVarIndex + bytesVarIndexMain);
                            }
                        }
                    }
                }
            }
        } catch (FileNotFoundException ex) {
            System.out.println(ex.getMessage());
        } catch (IOException ex) {
            System.out.println(ex.getMessage());
        }
        return -1; // (-1 = ERROR!);
    }