::fixture-ready:: $ grep -Rni --include='*.html' 'name="description"' public public/about.html:4: public/index.html:4: ::exit-code::0 $ find public -name '*.html' -print | while read -r f; do grep -qi 'name="description"' "$f" || echo "$f"; done public/draft.html public/blog/post.html ::exit-code::0