public static char[] lerIntervalo(int min, int max) throws IOException{
        char[] cBuffer;
        BufferedReader leitorTexto = null;
        FileInputStream inputStream = null;
        try {
            inputStream = new FileInputStream(DIRETORIO+ARQUIVO);
            //inputStream.getChannel().position(min);
            inputStream.getChannel().position(min);
            leitorTexto = new BufferedReader(new InputStreamReader(inputStream));
            cBuffer = new char[inputStream.available()];
            leitorTexto.read(cBuffer,min,max);
            return cBuffer;
        } catch(IOException e){
            e.printStackTrace();
        } finally {
            try {
                leitorTexto.close();
            } catch(IOException e){
                e.printStackTrace();
            }
        }
        return null;
   }