In response to you first one, I have a similar optimization but a bit less confusing to me:

my $displayed;
foreach my $s (split(//, $word)) {
    $displayed .= exists($correct_guesses{$s}) ? "$s " : "* ";
}

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In reply to Re^2: Looking for pointers or optimizations. by thmsdrew
in thread Looking for pointers or optimizations. by thmsdrew

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