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From Roberto C. Sánchez <robe...@connexer.com>
Subject Re: Undefined subroutine error
Date Tue, 14 Apr 2009 17:34:22 GMT
On Tue, Apr 14, 2009 at 01:21:09PM -0400, Perrin Harkins wrote:
> On Tue, Apr 14, 2009 at 12:48 PM, Roberto C. Sánchez
> <roberto@connexer.com> wrote:
> > As far as loading the module, I have tried:
> >
> >  - "PerlModule Example::Image" in .htaccess
> >  - "use Example::Image;" in the main HTML::Mason component
> 
> Either of those should be ok.  If you decide to export the sub later,
> you'd need to call it from Mason.
> 
I'm not sure what you mean by this.

> > As far as calling the function:
> >
> >  - get_image_data('masthead.png', $urls{'img'}, $dirs{'img'});
> >  - Example::Image::get_image_data('masthead.png', $urls{'img'}, $dirs{'img'});
> 
> Ok, I don't see how the first one could work with the code you've
> shown.  You're defining the sub in a package, so you either have to
> export it or call it with the fully-qualified path, like you do in the
> second case.
> 
I have used the first syntax and have not noticed a different in the
prevalence of the "Undefined subroutine" error between the two.

> If you're not familiar with this stuff, read up on exporting in the
> perlmod man page or your favorite Perl book.
> 
> If you use the second syntax everywhere, I think this problem will go
> away.  The issue is with the sub being available in your current
> namespace, not with loading the module.
> 
I am currently using the latter call everywhere and it is still
generating the "Undefined subroutine" error.

> - Perrin

Regards,

-Roberto
-- 
Roberto C. Sánchez
http://people.connexer.com/~roberto
http://www.connexer.com

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