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[EP-tech] OAI harvester questions

Hi,
we plan to use http://files.eprints.org/798/ in order to harvest an OJS repository on a regular basis. There are no stable and robust add-ons for this specific software, are there? 

Concerning OAI harvester 1.04 I have two questions:
1. Are there particular reasons why you preferred to develop your own OAI module over reusing Berger's Net::OAI::Harvester module? The latter is installed at our site already. As it required a whole bunch of CPAN-installed dependencies it's a pity we cannot continue to use it. :-/
2. Is it possible to harvest multiple sets at once? I know that OAI doesn't support that, but it'd be okay for us to harvest all records by not setting the &set parameter and then to filter afterwards by doing `next if !grep $wanted_sets{$_}, $header->sets` (there is/was a bug in Net::OAI::Harvester because of which set labels are chained one after another on sets() call - might be one reason to 1). We need it as OJS applies to a record one more set for each journal-specific contribution type, of which we would like to include some and/or exclude others. 


Kind regards,
F Heß
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