Ramprasad A Padmanabhan wrote at Mon, 30 Sep 2002 09:36:50 +0200:
> How do I find in a function if a particular module is already loaded
>
> for eg,
>
> sub mysub {
> my @vars = @_;
> require Data::Dumper unless ( already_required('Data::Dumper'));
> print Data::Dumper::Dumper(\@vars);
> }
>
> I want help writing the function already_required()
You don't need it.
>From perldoc -f require:
Otherwise, demands that a library file be included
if it hasn't already been included. The file is
included via the do-FILE mechanism, which is
essentially just a variety of "eval". Has
semantics similar to the following subroutine:
So a required module is only loaded when it hadn't been loaded yet.
Greetings,
Janek
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