while read so && [ -n "$so" ]; do
echo
echo "== Packages dependencies for $so =="
- ldd "$so" | awk '($3 ~ /^\//){print $3}' | sort -u | xargs dpkg -S | cut -d: -f1 | sort -u
+ ldd "$so" | awk '($3 ~ /^\//){print $3}' | sort -u | xargs -r dpkg -S | cut -d: -f1 | sort -u
done <<EOF
$(find -name '*.so')
EOF