import java.io.File;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Scanner;

public class UnhideFiles {

    public static void main(String[] args) throws IOException {
        Scanner scanner = new Scanner(System.in);
        System.out.println("Paste the directory in here");
        File file = new File(scanner.nextLine());
        makeFilesUnhidden(file);
    }

    static void makeFilesUnhidden(File file) {
        if (file.isHidden()) {
            unhide(file);
        }
        if (file.isDirectory()) {
            for (File f : file.listFiles()) {
                makeFilesUnhidden(f);
            }
        }
    }

    static void unhide(File file) {
        Path path = FileSystems.getDefault().getPath(file.getAbsolutePath());
        try {
            Files.setAttribute(path, "dos:hidden", false);
            System.out.println("unhid " + file);
        } catch (IOException e) {
            System.err.println("didn't unhide " + file);
        }
    }
}