Pass raw data to parsing sub

Well, he said the simplest way...

If match not found, give user a list of currently supported commands

Now, that would certainly be a worthwhile enhancement. And easy enough to do, too.

Force lower case

I almost included that... but for some reason I didn't. Perhaps I should have.

Allow synonyms such as halt for shutdown

That may be the best argument for the named subs you mention, actually.

$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/
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