Remove all empty directories in current directory (bash, zsh)

rmemptydirs.sh

# Say you have a directory containing thousands of subdirectories. And you want to remove all empty ones.
# NOTE: It is not recursive.
for d in *; do [[ -d "${d}" ]] && [[ `ls "${d}" | wc -l` = "0" ]] && rmdir -v "${d}"; done