$ <span class="sh-fn">ls</span> <span class="sh-str">'The Fellowship of the Ring.mp4'</span> … <span class="sh-str">'The Two Towers.mp4'</span> | \
	<span class="sh-fn">mmv</span> awk <span class="sh-str">'{ gsub(" ", "-"); printf "%02d-%s", NR, tolower($0) }'</span>