That works well.
Just in case anyone else needs to use this
I think that the actual hashes are found by 
%aa = %{$hashref->{a}};
%bb = %{$hashref->{b}};

[download]
Thanks to the Janaury helper monk

In reply to Re^3: Using Storable Module with Multiple Hashes by merrymonk
in thread Using Storable Module with Multiple Hashes by merrymonk

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