You might want to check out DBD::AnyData. Though it is quite new and I haven't tried the particular task you've got, it looks very promising for this sort of thing and it's worked well for me in my limited tests handling CSV data.

Update: Well it's early days still, but I read the docs some more and found that the very cool DBD::AnyData ad_convert command can't use a DBI target yet. Perhaps with the SQL capabilities?

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I'd like to be able to assign to an luser