public static void main(String[] args) throws Exception{
        String [] command = {"cat", "/home/thepasto/prova_"};
         Process p = Runtime.getRuntime().exec(command);
        BufferedReader in = new BufferedReader(
                                new InputStreamReader(p.getInputStream()));
    String line = null;
        while ((line = in.readLine()) != null) {
               System.out.println("Linea "+line);

}
    }