Hello Igor,
As far as I know as well, Koha's batch modification doesn't allow
changes to control fields. I usually use MarcEdit to do this kind of change.
- Export records to be modified
(https://koha-community.org/manual/latest/en/html/cataloging.html#exporting-data)
- Make the change in MarcEdit (here's an article I wrote on how to
change 008/15-17, it's in French, but I'm sure Google Translate or
another translation tool can translate it for you:
https://inlibro.com/knowledge-base/modification-en-lot-des-zones-de-controle-avec-marcedit-1-lieu-de-publication-008-15-17/)
- Reimport the modified records into Koha, matching on the biblionumber
(999$c in MARC21 or I think 001? in UNIMARC?) and specify to replace the
existing record with the incoming record when there is a match
(https://koha-community.org/manual/latest/en/html/cataloging.html#importing-records)
Regards,
Caroline
On 2024-06-18 04:43, Indranil Das Gupta wrote:
Hi
IIRC, Koha's batch modification tool does not work with the MARC21 control
fields (i.e. 000 - 009).
However, since you only wish to switch the value of a single position in
the leader, you may be able to do it.
For example, to update the 17th position of LDR (Encoding level) to "2"
(full level, material not examined) for biblionumber 1 you could do this:
UPDATE biblio_metadata
SET metadata = UpdateXML(metadata, '//leader', CONCAT('<leader>',
SUBSTRING(ExtractValue(metadata, '//leader'), 1, 17), '2',
SUBSTRING(ExtractValue(metadata, '//leader'), 19, 6), '</leader>'))
WHERE biblionumber = 1;
cheers
-idg
--
Indranil Das Gupta
L2C2 Technologies
Phone : +91-98300-20971
WWW : http://www.l2c2.co.in
Blog : http://blog.l2c2.co.in
IRC : indradg on irc://irc.freenode.net
Twitter : indradg
On Tue, Jun 18, 2024 at 12:25 PM Сычев Игорь Алексеевич <i...@tpu.ru> wrote:
Hello!
I have a list of records that need to change the value "2" to "1" in the
8th position of the leader.
How do I make a batch modification at the leader position?
Good Luck!
Igor A. Sychev
Tomsk Polytechnic University
https://lib.tpu.ru
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Caroline Cyr-La-Rose, M.L.I.S. (she/her)
Librarian | Product Manager
1-833-INLIBRO (465-4276), ext. 221
caroline.cyr-la-r...@inlibro.com
https://www.inLibro.com
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