#!/bin/bash
for P in "$@"; do
    echo "Empty directories in RPM package $P:"

    for D in $(rpm -qlvp "$P" | \
            perl -ne \
                'if (/\Adrwx/) {$n=${[split /\s+/]}[8]; print qq{$n\n}}' | \
            sort -f); do
        test $(rpm -qlp "$P" | grep -c -F "$D/") == 0 && echo "$D";
    done
done