You can try to walk the symbol tables (described in perlmod) and check @ISA in each package.

But in general it's a sign of a bad design if you have to know about subclasses, because you do subclassing specifically to enable a functionality that wasn't intended when writing the super class.

In reply to Re: getting a list of all subclasses of base class x by moritz
in thread getting a list of all subclasses of base class x by hexcoder

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