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219 lines
6.7 KiB
219 lines
6.7 KiB
#!/usr/bin/perl
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#
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# Copyright 2009 Liblime
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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use warnings;
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use MARC::Record;
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use MARC::File::XML;
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use Getopt::Long qw(:config auto_help auto_version);
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use Pod::Usage;
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use C4::Biblio;
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use C4::Charset;
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use C4::Context;
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use C4::Debug;
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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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our $debug;
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## OPTIONS
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my $help = 0;
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my $man = 0;
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my $verbose = 0;
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my $limit; # undef, not zero.
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my $offset = 0;
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my $dump = 0;
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my $summary = 1;
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my $fix = 0;
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GetOptions(
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'help|?' => \$help,
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'man' => \$man,
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'verbose=i' => \$verbose,
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'limit=i' => \$limit,
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'offset=i' => \$offset,
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'dump!' => \$dump,
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'summary!' => \$summary,
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'fix!' => \$fix,
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) or pod2usage(2);
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pod2usage( -verbose => 2 ) if ($man);
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pod2usage( -verbose => 2 ) if ($help and $verbose);
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pod2usage(1) if $help;
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if ($debug) {
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$summary++;
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$verbose++;
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}
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my $marcflavour = C4::Context->preference('marcflavour') or die "No marcflavour (MARC21 or UNIMARC) set in syspref";
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($marcflavour eq 'MARC21') or die "marcflavour must be MARC21, not $marcflavour";
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my $all = C4::Context->dbh->prepare("SELECT COUNT(*) FROM biblioitems");
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$all->execute;
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my $total = $all->fetchrow;
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my $count_query = "SELECT COUNT(*) FROM biblioitems WHERE substr(marc, 10, 1) = ?";
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my $query = "SELECT * FROM biblioitems WHERE substr(marc, 10, 1) <> ?";
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my $sth = C4::Context->dbh->prepare($count_query);
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$sth->execute('a');
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my $count = $sth->fetchrow;
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my $badcount = $total-$count;
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if ($summary) {
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print "# biblioitems with leader/09 = 'a'\n";
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printf "# %9s match\n", $count;
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printf "# %9s BAD \n", $badcount;
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printf "# %9s total\n\n", $total;
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printf "# Examining %s BAD record(s), offset %d:\n", ($limit || 'all'), $offset;
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}
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my $bad_recs = C4::Context->dbh->prepare($query);
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$bad_recs->execute('a');
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$limit or $limit = $bad_recs->rows(); # limit becomes max if unspecified
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$limit += $offset if $offset; # increase limit for offset
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my $i = 0;
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MARC::File::XML->default_record_format($marcflavour) or die "FAILED MARC::File::XML->default_record_format($marcflavour)";
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while ( my $row = $bad_recs->fetchrow_hashref() ) {
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(++$i > $limit) and last;
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( $i > $offset) or next;
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my $xml = $row->{marcxml};
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$xml =~ s/.*(\<leader\>)/$1/s;
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$xml =~ s/(\<\/leader\>).*/$1/s;
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# $xml now pared down to just the <leader> element
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printf "# %4d of %4d: biblionumber %s : %s\n", $i, $badcount, $row->{biblionumber}, $xml;
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my $stripped = StripNonXmlChars($row->{marcxml});
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($stripped eq $row->{marcxml}) or printf STDERR "%d NON-XML Characters removed!!\n", (length($row->{marcxml}) - length($stripped));
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my $record = eval { MARC::Record::new_from_xml( $stripped, 'utf8', $marcflavour ) };
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if ($@ or not $record) {
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print STDERR "ERROR in MARC::Record::new_from_xml(\$marcxml, 'utf8', $marcflavour): $@\n\tSkipping $row->{biblionumber}\n";
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next;
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}
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if ($fix) {
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SetMarcUnicodeFlag($record, $marcflavour);
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if (ModBiblioMarc($record, $row->{biblionumber})) {
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printf "# %4d of %4d: biblionumber %s : <leader>%s</leader>\n", $i, $badcount, $row->{biblionumber}, $record->leader();
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} else {
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print STDERR "ERROR in ModBiblioMarc(\$record, $row->{biblionumber})\n";
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}
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}
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$dump and print $row->{marcxml}, "\n";
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}
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__END__
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=head1 NAME
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MARC21_utf8_flag_fix.pl - Repair missing leader position 9 value ("a" for MARC21 - UTF8).
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=head1 SYNOPSIS
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MARC21_utf8_flag_fix.pl [ -h | -m ] [ -v ] [ -d ] [ -s ] [ -l N ] [ -o N ] [ -f ]
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Help Options:
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-h --help -? Brief help message
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-m --man Full documentation, same as --help --verbose
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--version Prints version info
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Feedback Options:
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-d --dump Dump MARCXML of biblioitems processed, default OFF
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-s --summary Print initial summary of good and bad biblioitems counted, default ON
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-v --verbose Increase verbosity of output, default OFF
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Run Options:
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-f --fix Save repaired leaders to biblioitems.marcxml,
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-l --limit Number of biblioitems to display or fix
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-o --offset Number of biblioitems to skip (not displayed or fixed)
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=head1 OPTIONS
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=over 8
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=item B<--fix>
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This is the most important option. Without it, the script just tells you about the problem records.
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With --fix, the script fixes the same records.
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=item B<--limit=N>
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Like a LIMIT statement in SQL, this constrains the number of records targeted by the script to an integer N.
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The default is to target all records with bad leaders.
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=item B<--offset=N>
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Like an OFFSET statement in SQL, this tells the script to skip N of the targeted records.
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The default is 0, i.e. skip none of them.
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=back
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The binary ON/OFF options can be negated like:
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B<--nosummary> Do not display summary.
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B<--nodump> Do not dump MARCXML.
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B<--nofix> Do not change any records. This is the default mode.
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=head1 DESCRIPTION
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Koha expects to have all MARXML records internalized in UTF-8 encoding. This
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presents a problem when records have been inserted with the leader/09 showing
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blank for MARC8 encoding. This script is used to determine the extent of the
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problem and to fix the affected leaders.
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As the name suggests, this script is only useful for MARC21 and will die for marcflavour UNIMARC.
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Run MARC21_utf8_flag_fix.pl the first time with no options, and assuming you agree that the leaders
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presented need fixing, run it again with B<--fix>.
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=head1 USAGE EXAMPLES
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B<MARC21_utf8_flag_fix.pl>
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In the most basic form, displays summary of biblioitems examined
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and the leader from any found without /09 = a.
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B<MARC21_utf8_flag_fix.pl --fix>
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Fixes the same biblioitems, displaying summary and each leader before/after change.
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B<MARC21_utf8_flag_fix.pl --limit=3 --offset=15 --nosummary --dump>
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Dumps MARCXML from the 16th, 17th and 18th bad records found.
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B<MARC21_utf8_flag_fix.pl -l 3 -o 15 -s 0 -d>
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Same thing as previous example in terse form.
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=head1 TO DO
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Allow biblionumbers to be piped into STDIN as the selection mechanism.
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=head1 SEE ALSO
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C4::Biblio
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=cut
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