[librecat-dev] Camandu, data lookup

Uldis Bojars captsolo at gmail.com
Tue Jan 7 13:48:49 CET 2020

Hi all,

How can I use Catmandu to look up values in a MARC subfield (e.g. 372 $a)
in a database and add information found in the database to this MARC field
(in subfield $0 in this case)?

The list of values to look up comes from the a MARC authority file: system
numbers (fld. 001) and labels (fld. 150 $a) of MARC 150 records.

It makes sense to preprocess the MARC file and extract the fields to look
up (system number, label) but what is the best practice for storing and
looking up this information using Catmandu?

Best regards,
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