perl/checkemptydirs

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#!/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