Append thread output files to program output

      } // jxi488 loop

      for (int ri = 0; ri < ompnumthreads; ri++) {

      // Giovanni, please add here in this loop code to reopen the temporary files, reread them and append them respectively to the global output and tppoan, before closing them

	string partial_file_name = output_path + "/c_OCLU_" + to_string(ri);

	printf("Copying ASCII output of thread %d of %d... ", ri, ompnumthreads);

	FILE *partial_output = fopen(partial_file_name.c_str(), "r");

	char c = fgetc(partial_output);

	while (c != EOF) {

	  fputc(c, output);

	  c = fgetc(partial_output);

	}

	fclose(partial_output);

	remove(partial_file_name.c_str());

	printf("done.\n");

	partial_file_name = output_path + "/c_TPPOAN_" + to_string(ri);

	printf("Copying binary output of thread %d of %d... ", ri, ompnumthreads);

	fstream partial_tppoan;

	partial_tppoan.open((output_path + "/c_TPPOAN_" + to_string(ri)).c_str(), ios::in | ios::binary);

	c = partial_tppoan.get();

	while(!partial_tppoan.eof()) {

	  tppoan.put(c);

	  c = partial_tppoan.get();

	}

	partial_tppoan.close();

	remove(partial_file_name.c_str());

	printf("done.\n");

      }

      tppoan.close();

    } else { // In case TPPOAN could not be opened. Should never happen.