required
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.stream.Stream;
public class ReplaceFileName {
private static final String targetLocation = "c:/temp";
private static final String prefix = "02-alarm-";
private static final String suffix = "";
private static final String destLocation = "c:/temp";
public static void main(String[] args) throws Exception {
Path path = new File(targetLocation).toPath();
Stream<Path> list = Files.list(path);
// list.forEach(System.out::println);
list.forEach((k) -> {
final String fileName = k.toString();
final String newFileName = prefix
+ fileName.substring(fileName.lastIndexOf(File.separator) + 1)
+ suffix;
Path newPath = new File(destLocation, newFileName).toPath();
try {
Files.move(k, newPath, StandardCopyOption.REPLACE_EXISTING);
} catch (IOException e) {
System.err.println(e);
System.exit(0);
}
});
list.close();
}
}