$ <span class="sh-fn">touch</span> foo bar
$ <span class="sh-fn">cat</span> &lt;&lt;<span class="sh-hd">EOF</span> &gt;hash-filename
<span class="sh-hd">#!/bin/sh</span>

<span class="sh-hd">sha1sum | awk '{ print \$1 }'</span>
<span class="sh-hd">EOF</span>
$ <span class="sh-fn">chmod</span> +x hash-filename
$ <span class="sh-fn">ls</span> foo bar | <span class="sh-fn">mmv</span> -i ./hash-filename
$ <span class="sh-fn">ls</span>
e242ed3bffccdf271b7fbaf34ed72d089537b42f  hash-filename
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15