312 lines
11 KiB
Perl
Executable file
312 lines
11 KiB
Perl
Executable file
#!/usr/bin/perl
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# small script that import an iso2709 file into koha 2.0
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use strict;
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# use warnings;
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# Koha modules used
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use MARC::File::USMARC;
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# Uncomment the line below and use MARC::File::XML again when it works better.
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# -- thd
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# use MARC::File::XML;
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use MARC::Record;
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use MARC::Batch;
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use MARC::Charset;
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# According to kados, an undocumented feature of setting MARC::Charset to
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# ignore_errors(1) is that errors are not ignored. Instead of deleting the
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# whole subfield when a character does not translate properly from MARC8 into
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# UTF-8, just the problem characters are deleted. This should solve at least
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# some of the fixme problems for fMARC8ToUTF8().
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#
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# Problems remain if there are MARC 21 records where 000/09 is set incorrectly.
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# -- thd.
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# MARC::Charset->ignore_errors(1);
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use C4::Context;
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use C4::Biblio;
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use Time::HiRes qw(gettimeofday);
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use Getopt::Long;
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binmode(STDOUT, ":utf8");
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use Getopt::Long;
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my ( $input_marc_file, $number) = ('',0);
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my ($version, $delete, $test_parameter,$char_encoding, $verbose, $commit,$fk_off);
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$|=1;
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GetOptions(
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'commit:f' => \$commit,
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'file:s' => \$input_marc_file,
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'n:f' => \$number,
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'h' => \$version,
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'd' => \$delete,
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't' => \$test_parameter,
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'c:s' => \$char_encoding,
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'v:s' => \$verbose,
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'fk' => \$fk_off,
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);
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# FIXME: Management of error conditions needed for record parsing problems
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# and MARC8 character sets with mappings to Unicode not yet included in
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# MARC::Charset. The real world rarity of these problems is not fully tested.
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# Unmapped character sets will throw a warning currently and processing will
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# continue with the error condition. A fairly trivial correction should
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# address some record parsing and unmapped character set problems but I need
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# time to implement a test and correction for undef subfields and revert to
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# MARC8 if mappings are missing. -- thd
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sub fMARC8ToUTF8($$) {
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my ($record) = shift;
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my ($verbose) = shift;
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if ($verbose) {
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if ($verbose >= 2) {
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my $leader = $record->leader();
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$leader =~ s/ /#/g;
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print "\n000 " . $leader;
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}
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}
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foreach my $field ($record->fields()) {
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if ($field->is_control_field()) {
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if ($verbose) {
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if ($verbose >= 2) {
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my $fieldName = $field->tag();
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my $fieldValue = $field->data();
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$fieldValue =~ s/ /#/g;
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print "\n" . $fieldName;
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print ' ' . $fieldValue;
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}
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}
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} else {
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my @subfieldsArray;
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my $fieldName = $field->tag();
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my $indicator1Value = $field->indicator(1);
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my $indicator2Value = $field->indicator(2);
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if ($verbose) {
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if ($verbose >= 2) {
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$indicator1Value =~ s/ /#/;
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$indicator2Value =~ s/ /#/;
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print "\n" . $fieldName . ' ' .
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$indicator1Value .
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$indicator2Value;
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}
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}
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foreach my $subfield ($field->subfields()) {
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my $subfieldName = $subfield->[0];
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my $subfieldValue = $subfield->[1];
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$subfieldValue = MARC::Charset::marc8_to_utf8($subfieldValue);
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# Alas, MARC::Field::update() does not work correctly.
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## push (@subfieldsArray, $subfieldName, $subfieldValue);
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push @subfieldsArray, [$subfieldName, $subfieldValue];
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if ($verbose) {
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if ($verbose >= 2) {
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print " \$" . $subfieldName . ' ' . $subfieldValue;
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}
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}
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}
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# Alas, MARC::Field::update() does not work correctly.
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#
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# The first instance in the field of a of a repeated subfield
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# overwrites the content from later instances with the content
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# from the first instance.
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## $field->update(@subfieldsArray);
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foreach my $subfieldRow(@subfieldsArray) {
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my $subfieldName = $subfieldRow->[0];
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$field->delete_subfields($subfieldName);
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}
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foreach my $subfieldRow(@subfieldsArray) {
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$field->add_subfields(@$subfieldRow);
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}
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if ($verbose) {
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if ($verbose >= 2) {
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# Reading the indicator values again is not necessary.
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# They were not converted.
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# $indicator1Value = $field->indicator(1);
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# $indicator2Value = $field->indicator(2);
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# $indicator1Value =~ s/ /#/;
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# $indicator2Value =~ s/ /#/;
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print "\nCONVERTED TO UTF-8:\n" . $fieldName . ' ' .
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$indicator1Value .
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$indicator2Value;
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foreach my $subfield ($field->subfields()) {
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my $subfieldName = $subfield->[0];
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my $subfieldValue = $subfield->[1];
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print " \$" . $subfieldName . ' ' . $subfieldValue;
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}
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}
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}
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if ($verbose) {
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if ($verbose >= 2) {
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print "\n" if $verbose;
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}
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}
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}
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}
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$record->encoding('UTF-8');
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return $record;
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}
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if ($version || ($input_marc_file eq '')) {
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print <<EOF
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small script to import an iso2709 file into Koha.
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parameters :
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\th : this version/help screen
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\tfile /path/to/file/to/dump : the file to dump
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\tv : verbose mode. 1 means "some infos", 2 means "MARC dumping"
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\tfk : Turn off foreign key checks during import.
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\tn : the number of records to import. If missing, all the file is imported
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\tcommit : the number of records to wait before performing a 'commit' operation
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\tt : test mode : parses the file, saying what he would do, but doing nothing.
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\tc : the characteristic MARC flavour. At the moment, only MARC21 and UNIMARC
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\tsupported. MARC21 by default.
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\td : delete EVERYTHING related to biblio in koha-DB before import :tables :
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\t\tbiblio, \t\tbiblioitems, \t\tsubjects,\titems
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\tmarc_biblio,
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\t\tmarc_subfield_table, \tmarc_word, \t\tmarc_blob_subfield
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IMPORTANT : don't use this script before you've entered and checked your MARC parameters tables twice (or more!).
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Otherwise, the import won't work correctly and you will get invalid data.
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SAMPLE :
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\t\$ export KOHA_CONF=/etc/koha.conf
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\t\$ perl misc/migration_tools/bulkmarcimport.pl -d -commit 1000 -file /home/jmf/koha.mrc -n 3000
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EOF
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;#'
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die;
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}
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my $dbh = C4::Context->dbh;
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if ($delete) {
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print "deleting biblios\n";
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$dbh->do("truncate biblio");
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$dbh->do("truncate biblioitems");
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$dbh->do("truncate items");
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}
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if ($fk_off) {
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$dbh->do("SET FOREIGN_KEY_CHECKS = 0");
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}
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if ($test_parameter) {
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print "TESTING MODE ONLY\n DOING NOTHING\n===============\n";
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}
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my $marcFlavour = C4::Context->preference('marcflavour') || 'MARC21';
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print "Characteristic MARC flavour: $marcFlavour\n" if $verbose;
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# die;
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my $starttime = gettimeofday;
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my $batch = MARC::Batch->new( 'USMARC', $input_marc_file );
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$batch->warnings_off();
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$batch->strict_off();
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my $i=0;
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my $commitnum = 50;
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if ($commit) {
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$commitnum = $commit;
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}
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#1st of all, find item MARC tag.
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my ($tagfield,$tagsubfield) = &GetMarcFromKohaField("items.itemnumber",'');
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# $dbh->do("lock tables biblio write, biblioitems write, items write, marc_biblio write, marc_subfield_table write, marc_blob_subfield write, marc_word write, marc_subfield_structure write, stopwords write");
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while ( my $record = $batch->next() ) {
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# warn "=>".$record->as_formatted;
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# warn "I:".$i;
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# warn "NUM:".$number;
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$i++;
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print ".";
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print "\r$i" unless $i % 100;
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# if ($i==$number) {
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# z3950_extended_services('commit',set_service_options('commit'));
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# print "COMMIT OPERATION SUCCESSFUL\n";
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#
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# my $timeneeded = gettimeofday - $starttime;
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# die "$i MARC records imported in $timeneeded seconds\n";
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# }
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# # perform the commit operation ever so often
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# if ($i==$commit) {
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# z3950_extended_services('commit',set_service_options('commit'));
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# $commit+=$commitnum;
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# print "COMMIT OPERATION SUCCESSFUL\n";
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# }
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#now, parse the record, extract the item fields, and store them in somewhere else.
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## create an empty record object to populate
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my $newRecord = MARC::Record->new();
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$newRecord->leader($record->leader());
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# go through each field in the existing record
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foreach my $oldField ( $record->fields() ) {
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# just reproduce tags < 010 in our new record
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#
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# Fields are not necessarily only numeric in the actual world of records
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# nor in what I would recommend for additonal safe non-interfering local
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# use fields. The following regular expression match is much safer than
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# a numeric evaluation. -- thd
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if ( $oldField->tag() =~ m/^00/ ) {
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$newRecord->append_fields( $oldField );
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next();
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}
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# store our new subfield data in this list
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my @newSubfields = ();
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# go through each subfield code/data pair
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foreach my $pair ( $oldField->subfields() ) {
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#$pair->[1] =~ s/\<//g;
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#$pair->[1] =~ s/\>//g;
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push( @newSubfields, $pair->[0], $pair->[1] ); #char_decode($pair->[1],$char_encoding) );
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}
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# add the new field to our new record
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my $newField = MARC::Field->new(
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$oldField->tag(),
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$oldField->indicator(1),
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$oldField->indicator(2),
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@newSubfields
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);
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$newRecord->append_fields( $newField );
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}
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warn "$i ==>".$newRecord->as_formatted() if $verbose eq 2;
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my @fields = $newRecord->field($tagfield);
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my @items;
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my $nbitems=0;
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foreach my $field (@fields) {
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my $item = MARC::Record->new();
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$item->append_fields($field);
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push @items,$item;
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$newRecord->delete_field($field);
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$nbitems++;
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}
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print "$i : $nbitems items found\n" if $verbose;
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# now, create biblio and items with Addbiblio call.
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unless ($test_parameter) {
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warn "NEWREC : ".$newRecord->as_formatted;
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my ($bibid,$oldbibitemnum) = AddBiblio($newRecord,'');
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warn "ADDED biblio NB $bibid in DB\n" if $verbose;
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for (my $i=0;$i<=$#items;$i++) {
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# warn "here is the biblioitemnumber $oldbibitemnum";
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AddItem($items[$i],$bibid,$oldbibitemnum);
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}
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}
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}
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if ($fk_off) {
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$dbh->do("SET FOREIGN_KEY_CHECKS = 1");
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}
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# final commit of the changes
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z3950_extended_services('commit',set_service_options('commit'));
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print "COMMIT OPERATION SUCCESSFUL\n";
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my $timeneeded = gettimeofday - $starttime;
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print "$i MARC records done in $timeneeded seconds\n";
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