1 package Koha::Filter::MARC::TrimFields;
3 # Copyright 2023 Koha Development team
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
22 Koha::Filter::MARC::TrimFields - Trims MARC::Record object data fields.
26 my $p = Koha::RecordProcessor->new({ filters => ['TrimFields'] });
28 my $metadata = Koha::Biblio::Metadatas->find($biblio_id);
29 my $record = $metadata->record;
35 Filter to trim MARC::Record object data fields.
41 use base qw(Koha::RecordProcessor::Base);
42 our $NAME = 'TrimFields';
46 Trim MARC::Record object data fields.
51 my ( $self, $record ) = @_;
54 unless $record and ref($record) eq 'MARC::Record';
56 foreach my $field ( $record->fields ) {
57 unless ( $field->is_control_field ) {
58 foreach my $subfield ( $field->subfields ) {
59 my $key = $subfield->[0];
60 my $value = $subfield->[1];
61 $value =~ s/[\n\r]+/ /g;
62 $value =~ s/^\s+|\s+$//g;
63 $field->add_subfields( $key => $value ); # add subfield to the end of the subfield list
64 $field->delete_subfield( pos => 0 ); # delete the subfield at the top of the subfield list