TL;DR:
find . -name .DS_Store -delete
find . -type d -empty -delete
Ref: https://apple.stackexchange.com/questions/79391/locate-empty-folders-within-a-folder#comment91730_79406
TL;DR:
find . -name .DS_Store -delete
find . -type d -empty -delete
Ref: https://apple.stackexchange.com/questions/79391/locate-empty-folders-within-a-folder#comment91730_79406