public void moveWritableTxtFiles(String from, String to) throws IOException {

             File f = new File(from);
             File t = new File(to);

             if(!t.exists())
             {
                 t.mkdir();
             }
             if(f.exists()){
                 File files[] = f.listFiles();

                 for (File file : files) {

                     if(file.getName().endsWith(".txt"))
                     {

                         if(file.canWrite() && t.canWrite())
                         {
                              System.out.println(file.getName());
                             System.out.println(file.renameTo(new File(t.getPath().toString()+"\\"+file.getName())));
                         }
                     }
                 }
             }
             else {
                 System.out.println("Ne postoi");
             }