Don't try to change DATASTORE, have two classes, DATASTORE::plain and DATASTORE::gzip.

I would make DATASTORE->new return one of the two classes, depending on the filename.

In reply to Re: Inherit methods from IO::File and IO::Uncompress depending on file extension by Corion
in thread Inherit methods from IO::File and IO::Uncompress depending on file extension by jnoirel

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