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Re: Idiomatic optimizations

by particle (Vicar)
on Apr 29, 2002 at 17:10 UTC ( #162868=note: print w/replies, xml ) Need Help??

in reply to Idiomatic optimizations

when printing, comma (,) is faster than concatenate (.). print $foo, ' -- ', $bar, $/; is faster than print $foo . ' -- ' . $bar . $/;

~Particle *accelerates*

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Re: Re: Idiomatic optimizations
by blakem (Monsignor) on Apr 30, 2002 at 05:40 UTC
    One caveat though: When printing a list, each element is evaluated in LIST context whereas concatenated expressions are evaluated in SCALAR context....
    % perl -le 'print "Today: ". localtime()' Today: Tue Apr 30 01:35:48 2002 % perl -le 'print "Today: ", localtime()' Today: 5435130310221191


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[holli]: the chatterbox xml ticker only deleivers fresh data to each client
[holli]: i mean, once you requested it and got the new chatter, the chatter won't appear in the next request
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