END;
$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+
+CREATE OR REPLACE FUNCTION migration_tools.set_leader (TEXT, INT, TEXT) RETURNS TEXT AS $$
+ my ($marcxml, $pos, $value) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+
+ my $xml = $marcxml;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ my $leader = $marc->leader();
+ substr($leader, $pos, 1) = $value;
+ $marc->leader($leader);
+ $xml = $marc->as_xml_record;
+ $xml =~ s/^<\?.+?\?>$//mo;
+ $xml =~ s/\n//sgo;
+ $xml =~ s/>\s+</></sgo;
+ };
+ return $xml;
+$$ LANGUAGE PLPERLU STABLE;
+
+CREATE OR REPLACE FUNCTION migration_tools.set_008 (TEXT, INT, TEXT) RETURNS TEXT AS $$
+ my ($marcxml, $pos, $value) = @_;
+
+ use MARC::Record;
+ use MARC::File::XML;
+
+ my $xml = $marcxml;
+ eval {
+ my $marc = MARC::Record->new_from_xml($marcxml, 'UTF-8');
+ my $f008 = $marc->field('008');
+
+ if ($f008) {
+ my $field = $f008->data();
+ substr($field, $pos, 1) = $value;
+ $f008->update($field);
+ $xml = $marc->as_xml_record;
+ $xml =~ s/^<\?.+?\?>$//mo;
+ $xml =~ s/\n//sgo;
+ $xml =~ s/>\s+</></sgo;
+ }
+ };
+ return $xml;
+$$ LANGUAGE PLPERLU STABLE;
+
+