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From: Lyndon Nerenberg <lyndon@orthanc.ca>
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Comments: In-reply-to arnold@skeeve.com
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Subject: Re: [TUHS] Command line options and complexity
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> > And speaking of "tac" (which I never saw), I couldn't think of a single 
> > use for "rev" (although no doubt I'll now get told).

It's handy for building rhyming dictionaries:

  rev < /usr/share/dict/web2 | sort | rev > rhymes

--lyndon