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From "Gerald Richter - ECOS GmbH" <rich...@ecos.de>
Subject RE: use and Execute differences
Date Wed, 10 Oct 2007 12:42:43 GMT
Hi,

> 
> Searched through the documentation and mailing lists but 
> could not find the exact information.
> What are the most important differences between using normal 
> perl module  with:
> 
> use Package::Module
> 
> $obj = Package::Module->new();
> 
> or using 
> 
> $obj = Execute({object => 'package/module.pl', syntax => 
> 'Perl'}); $obj->new();
> 
> When we think about reusability then the first strategy (with 
> use) would be better since we can later use these modules 
> with other systems. 
> Also I think memory usage would be more efficient since use 
> only loads modules when necessary.
> 
> But would there be any cases where the latter (Execute) would 
> be more preferable? And how about its memory usage?
> 

Execute does an reload when the source changes and it seaches the same 
way as other pages (this is interesting for use with Embperl::Object). 
Execute also only loads the module once, like use does. Execute put 
every file in a different namespace.

When using with Embperl::Object, you can have the same file in different 
directories and depending on the URL a differnt file is called.

Gerald




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