In article <[EMAIL PROTECTED]>,
        [EMAIL PROTECTED] (Kiss Gabor) writes:
> A jelenleg hasznalt
> $blob =~ s/(.)(.)(.)/$3$2$1/g;
> konstrukcio kb. masfel masodpercig molyol.
> Ez tul sok. 0.2 s ala kellene leszoritani.

$blob = reverse pack('(a3)*', reverse unpack('(a3)*', $blob));

3.3 sec.

kissg
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