Ansifilterでコンソール出力をHTML化する

http://www.andre-simon.de/doku/ansifilter/ansifilter.html
たとえば

~/work/$ ll /usr/local/ruby-1.8 | ansifilter --html > hoge.html

とかやると

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<title>Source file</title>
</head>
<body>
<pre style="font-family:Courier New;font-size:10pt;">total 20
drwxr-xr-x  9 g-sugawara    0 Nov  2 11:32 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">.</span>/
drwxr-xr-x 34 g-sugawara    0 Jan 17 10:49 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">..</span>/
-rw-r--r--  1 g-sugawara 2493 Feb 25  2002 COPYING
-rw-r--r--  1 g-sugawara 2093 Jul 19  2001 COPYING.ja
-rw-r--r--  1 g-sugawara 4348 Jun 16  2007 README.ja.txt
-rw-r--r--  1 g-sugawara 3173 Jun 16  2007 README.txt
drwxr-xr-x  2 g-sugawara    0 Jan 15 10:50 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">bin</span>/
drwxr-xr-x  2 g-sugawara    0 Oct 19 21:37 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">doc</span>/
drwxr-xr-x  3 g-sugawara    0 Sep 20 13:17 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">exerb-docs</span>/
drwxr-xr-x  3 g-sugawara    0 Nov  2 11:32 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">lib</span>/
drwxr-xr-x  2 g-sugawara    0 Sep 20 13:18 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">licences</span>/
drwxr-xr-x  5 g-sugawara    0 Oct 19 21:37 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">samples</span>/
drwxr-xr-x  7 g-sugawara    0 Sep 20 13:43 <span style="font-weight:bold;color:#000080; background-color:#ffffff;">share</span>/

</pre>
</body>
</html>
<!--HTML generated by ansifilter 0.3, http://www.andre-simon.de/-->

な感じのHTMLが出力されて、こんな感じになる。