Re: Include Files in Perl?

[drieux]

On Thursday, Sep 25, 2003, at 17:44 US/Pacific, seldan wrote:
[..]
However, I am trying to keep this site as modular and easy to maintain 
as
possible and cannot seem to find the right equivalent for a basic PHP
"include" or "require" function.  I use several variables that stay 
the same
throughout the scripts, and would like to host them in a separate file.

Sifting through ideas on this I've come across: SSI, Embperl, Mason, 
and
possibly creating modules to handle this.  All seem like a bit of work,
which isn't a problem, I just want to make sure that I'm not missing a
simple, obvious way to make this happen!
[..]

The modules would be my first choice
since you want to be able to assert
        use lib "./lib";      # we will put our PM in a directory lib
        use thisProj;
        my $value = thisProj->get_value();
        print "got $value\n";
so that you can 'keep' track of the relationship
between the 'class accessor' and the value you got.
so the snappy quick intro is to create the file thisProj.pm
and put it in the 'lib' directory.
	package thisProj;

	our $value = 'this_value_here'; # the value(s) up here

	sub get_value { $value ; }		# the accessor merely wraps it

hence you wind up with a file system layout like:

        /some/path
                this_code.plx
                lib/thisProj.pm
eg: /some/path/this_code.plx and /some/path/lib/thisProj.pm

and you are out and away.

The alternative strategy would be to create the Package,
and just Rip out the value
	my $alt = $thisProj::value;

but personally I think that is 'garish', and that starting
down the road to doing the module is more appropriate.
you will also want to do

        perldoc h2xs
        perldoc perlsub
        perldoc perlmod
        perldoc perlmodlib
and you might as well pick up the learning perl references
and modules book.


ciao
drieux
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