https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=41138
Bug ID: 41138
Summary: Batch record modification via MARC modification
template overwrites equal fields.
Initiative type: ---
Sponsorship ---
status:
Product: Koha
Version: 25.05
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P5 - low
Component: Cataloging
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
CC: [email protected]
I want to batch correct a URL in the MARC-Data.
So I created a MARC modification templates as described in the manual (see the
proxy URL example):
https://koha-community.org/manual/25.05/en/html/cataloging.html#marc-modification-templates
I did
"Copy and replace" over "All" field(s) "856 u" to field "856 u" with Regex
"s/deposit.d-nb.de/deposit.dnb.de/g"
if field "856 u" matches "m/deposit.d-nb.de/" RegEx
The fields in the original record look like this:
856 42 _u http://d-nb.info/1050788141/04
_3Inhaltsverzeichnis
856 42 _u
http://deposit.d-nb.de/cgi-bin/dokserv?id=4659369&prov=M&dok_var=1&dok_ext=htm
_3Inhaltstext
856 42 _u
http://www.perlentaucher.de/buch/barbara-sichtermann/ich-rauche-zigarren-und-glaube-nicht-an-g
_3Rezension
After applying the template, I would expect that only the middle one gets
modified.
Instead I get this:
856 42
_uhttp://deposit.dnb.de/cgi-bin/dokserv?id=4659369&prov=M&dok_var=1&dok_ext=htm
_3Inhaltsverzeichnis
856 42
_uhttp://deposit.dnb.de/cgi-bin/dokserv?id=4659369&prov=M&dok_var=1&dok_ext=htm
_3Inhaltstext
856 42
_uhttp://deposit.dnb.de/cgi-bin/dokserv?id=4659369&prov=M&dok_var=1&dok_ext=htm
_3Rezension
It doesn't matter if I do "All" field(s) or "1." field(s) in the template, the
result is the same.
This is probably related to and maybe not the same as
Bug 28231 - MARC modification template "1st" vs "Every" bug?
and
Bug 34508 - MARC modification templates have poor results when working with
multiple of a field
I think this bug is severe as it can go unnoticed and lead to data loss in a
lot of records.
Unnoticed because if you only have one field everything looks good and only
multiple equal fields get overwritten.
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