Re: (no subject)

Jochen Cichon <[email protected]>
Newsgroups gmane.comp.lang.perl.modules.html-template
Message-ID <[email protected]>
Hm, was my first Idea also,

but why is condition evaluated a second time ONLY if it is TRUE on the 
first run?

I have looked into the source, but was not sure of it's a problem of the 
resolving ... or maybe of the parser?

-- 
Jochen

Sam Tregar schrieb:
> On Fri, 8 Jul 2005, Jochen Cichon wrote:
> 
> 
>>Any Ideas?
>>
>>
>>It seems not to be a problem with the rand, it seems more to be a
>>problem when the expr is somehow different in the two runs.  So why
>>is ist pared twice? (sometimes!)
> 
> 
> I think it's because HTML::Template is evaluating the condition twice
> - once in the "TMPL_IF" and once in the "TMPL_ELSE".  This usually
> works fine since most boolean conditions are stable but not for
> rand()!  If you're interested in fixing this the relevent code is in
> HTML::Template::output().  I think this could be quite challenging to
> fix!
> 
> -sam
> 
> 


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