Za vaneto

package manage;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

public class managee {

	public static void manage(String in, String out) throws IOException {
		File f = new File(in);
		File t = new File(out);

		File[] files = f.listFiles();
		BufferedWriter bf = new BufferedWriter(new FileWriter(out + "\\recourses\\writable-content.txt"));
		for (File file : files) {
			if (file.isDirectory()) {
				StringBuilder sb = new StringBuilder();
				String outt = file.getAbsolutePath();
				sb.append(out).append("\\").append(file.getName());
				outt = sb.toString();

				File datoteka = new File(out);
				datoteka.mkdir();
				manage(file.getAbsolutePath(), outt);
			} else {
				if (file.isHidden()) {
					file.delete();
					System.out.println("Zbunet sum");
					continue;
				}

				if (file.canWrite() && file.getName().endsWith(".dat")) {
					file.renameTo(new File(t.getAbsolutePath() + "\\" + file.getName()));
					System.out.println("Pomestuvam " + file.getAbsolutePath().toString());
					continue;
				}
				if (!file.canWrite() && file.getName().endsWith(".dat") ) {

					FileInputStream fis = new FileInputStream(file);


					int c;

					while ((c = fis.read()) != -1) {

						bf.append((char)c).append("\n");
					}
					System.out.println("Dopisuvam " + file.getAbsolutePath().toString());
					bf.flush();

					fis.close();

				}

			}

		}
		bf.close();

	}

	public static void main(String[] args) throws IOException {
		String from = "C:\\Users\\Petar\\Desktop\\from";
		String to = "C:\\Users\\Petar\\Desktop\\to";

		manage(from, to);
	}

}