Tip #73 - find all the empty directories in a tree
Geschrieben am 27-12-2005 - ⧖ 1 min$ for f in ***/*(/l2); do foo=($f/*(N)); [[ -z $foo ]] && print $f; done
# Since Zsh 4.2.1(?) the glob qualifier F indicates a non-empty directory.
$ ls -ld *(/^F)