Open the parent directory with emacs and you can use it to delete the rogue directory/file. Admittedly, there's easier ways for a "-" named file, but its a good

Open the parent directory with emacs and you can use it to delete the rogue directory/file. Admittedly, there's easier ways for a "-" named file, but its a good solution to know since you can use it to delete even the most difficult filenames.