How to download filenames only?

[wierzbowski]

Hi! Perhaps someone can help me craft a wget command that will
accomplish the following. I want to mirror a website but I only want
to download the directory structure and names of each file. I do not
want to download the files themselves, but I need the names. A zero
byte copy of each file would be ideal. I can't seem to figure out how
to do this. Maybe it's not even possible. Any suggestions would be
appreciated. Thanks!