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121 lines
3.0 KiB
121 lines
3.0 KiB
#!/usr/bin/perl
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use strict;
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BEGIN {
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# find Koha's Perl modules
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# test carefully before changing this
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use FindBin;
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eval { require "$FindBin::Bin/kohalib.pl" };
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}
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use C4::Context;
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use C4::Biblio;
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use Getopt::Long;
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$| = 1;
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# command-line parameters
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my $verbose = 0;
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my $test_only = 0;
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my $want_help = 0;
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my $result = GetOptions(
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'verbose' => \$verbose,
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'test' => \$test_only,
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'h|help' => \$want_help
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);
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if (not $result or $want_help) {
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print_usage();
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exit 0;
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}
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my $num_bibs_processed = 0;
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my $num_bibs_modified = 0;
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my $num_bad_bibs = 0;
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my $dbh = C4::Context->dbh;
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$dbh->{AutoCommit} = 0;
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process_bibs();
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$dbh->commit();
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exit 0;
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sub process_bibs {
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my $sql = "SELECT biblionumber FROM biblio ORDER BY biblionumber ASC";
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my $sth = $dbh->prepare($sql);
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$sth->execute();
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while (my ($biblionumber) = $sth->fetchrow_array()) {
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$num_bibs_processed++;
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process_bib($biblionumber);
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if (not $test_only and ($num_bibs_processed % 100) == 0) {
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print_progress_and_commit($num_bibs_processed);
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}
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}
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if (not $test_only) {
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$dbh->commit;
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}
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print <<_SUMMARY_;
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Bib authority heading linking report
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------------------------------------
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Number of bibs checked: $num_bibs_processed
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Number of bibs modified: $num_bibs_modified
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Number of bibs with errors: $num_bad_bibs
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_SUMMARY_
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}
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sub process_bib {
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my $biblionumber = shift;
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my $bib = GetMarcBiblio($biblionumber);
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unless (defined $bib) {
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print "\nCould not retrieve bib $biblionumber from the database - record is corrupt.\n";
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$num_bad_bibs++;
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return;
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}
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my $headings_changed = LinkBibHeadingsToAuthorities($bib);
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if ($headings_changed) {
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if ($verbose) {
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my $title = substr($bib->title, 0, 20);
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print "Bib $biblionumber ($title): $headings_changed headings changed\n";
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}
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if (not $test_only) {
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# delete any item tags
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my ($itemtag, $itemsubfield) = GetMarcFromKohaField("items.itemnumber", '');
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foreach my $field ($bib->field($itemtag)) {
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$bib->delete_field($field);
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}
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ModBiblio($bib, $biblionumber, GetFrameworkCode($biblionumber));
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$num_bibs_modified++;
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}
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}
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}
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sub print_progress_and_commit {
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my $recs = shift;
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$dbh->commit();
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print "... processed $recs records\n";
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}
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sub print_usage {
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print <<_USAGE_;
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$0: link headings in bib records to authorities.
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This batch job checks each bib record in the Koha
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database and attempts to link each of its headings
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to the matching authority record.
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Parameters:
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--verbose print the number of headings changed
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for each bib
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--test only test the authority linking
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and report the results; do not
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change the bib records.
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--help or -h show this message.
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_USAGE_
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}
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