You can also push a code ref (that returns undef) onto the front of @INC: 

BEGIN {
    unshift @INC, sub {
        my( $self, $file )= @_;
        print "Searching for $file...\n";
        return;
    };
}
require Net::Ping;

[download]

See require for more details and other options.

- tye        

In reply to Re: Overriding the built-in require function (@INC) by tye
in thread Overriding the built-in require function by /dev/urandom

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