Downloading from web folders without index.html file
Using the following wget 1-liners, it is possible to download a folders/files when there is no index.html files present.
wget -r --no-parent http://www.site.com/folder_with_no_index/
(tested and working)
wget -r -nH --cut-dirs=2 --no-parent --reject="index.html*" http://mysite.com/dir1/dir2/data