++ for pointing out that select can be used this way;
I had thought it had to do with filehandles, and had
not realised this use for it.
As for the rest of your improvements... well, I'll
have to look at those when I have more time.
update:
I've looked at them now, and they all seem pretty
straightforward; you just did a more thorough job
of golfing than I.
$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/
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