> Data Dumper does everything I
> wanted. I've just never thought about using it to dump 
> temporary data files and then parse them back in again.

Glad it's working for you. If your needs outgrow Data::Dumper, there do
exist modules for serializing a data structure in a reusable way. One such
module is Data::Serializer:
http://search.cpan.org/~neely/Data-Serializer-0.25/

Examples are in the Data::Serializer Cookbook:
http://search.cpan.org/~neely/Data-Serializer-0.25/lib/Data/Serializer/Cookb
ook.pm

It lets you store encrypted or compressed data, and you can choose your
under-the-hood serializer from several options (including Data::Dumper, XML,
etc)

Other modules you could look at include Storable and FreezeThaw.

- Mark.

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