Dear Monks, I am trying to write a module, which will overwrite a subroutine in another module. The first thing I need to know is, whether it's possible to be notified when a module has been loaded. One way I thought of doing this was, to unshift this subref into the @INC: 
        my ($coderef, $filename) = @_;
        my $result;
        @INC = grep {$_ ne $self->{__connector}} @INC;
        require $filename;
        # try to overwrite a method here
        unshift @INC, $self->{__connector};

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Unfortunately, the module is still loaded after I finish my work, and I don't know how to stop this. Or is there a way to have my subroutine get called whenever a module is loaded?

Another problem, which I noticed while I was debugging this issue, was that I couldn't actually overwrite a module. For a particular module 'IWL::Script', I tried doing this: 
   *setScript = *IWL::Script::setScript;
    delete $::{'IWL::'}{'Script::'}{'setScript'};

    no warnings qw(redefine);
    sub IWL::Script::setScript {
        my ($self, $param) = @_;
        if (ref $param eq 'CODE') {
            *setScript{CODE}->($self, $p2js->covert($param));
        } else {
            *setScript{CODE}->($self, $param);
        }
    }

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I'm not even sure whether the first 2 lines are able to actually copy the subroutine, instead of just aliasing it, which is another problem in itself. But what I noticed what, that the inner sub did not overwrite the one in the IWL::Script module

So how can I overwrite modules which are not part of my namespace, and in the same time have a reference to the original code, so that I can call it in the override (like a wrapper)?

In reply to Notification on module load, and redefinition of module methods. by /dev/urandom

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