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  1. public static void moveUpOneFolder(Path parent) {
  2.  
  3.     try (DirectoryStream<Path> ds1 = Files.newDirectoryStream(parent)) {
  4.         for (Path p1 : ds1) {
  5.             //if this node is a dir, traverse its content
  6.             if (Files.isDirectory(p1)) {
  7.                 moveUpOneFolder(p1);
  8.             }
  9.             Files.delete(p1);
  10.         }
  11.     } catch (IOException e) {
  12.         e.printStackTrace();
  13.     }
  14.     try (DirectoryStream<Path> ds1 = Files.newDirectoryStream(parent)) {
  15.         for (Path p1 : ds1) {
  16.             //this node must be a file. move it up one level
  17.             Path newFileName = parent.getParent().resolve(p1.getName(p1.getNameCount() - 2) + "_" + p1.getFileName());
  18.             Files.move(p1, newFileName);
  19.             Files.delete(p1);
  20.         }
  21.  
  22.     } catch (IOException e) {
  23.         e.printStackTrace();
  24.     }
  25. }
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https://ideone.com/qdrnvs
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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