476 lines
16 KiB
Perl
Executable file
476 lines
16 KiB
Perl
Executable file
#!/usr/bin/perl
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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 under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the 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 along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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use warnings;
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use C4::Auth;
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use C4::Output;
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use C4::Biblio; # GetMarcBiblio GetXmlBiblio
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use C4::AuthoritiesMarc; # GetAuthority
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use CGI;
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use C4::Koha; # GetItemTypes
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use C4::Branch; # GetBranches
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use C4::Record;
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use Getopt::Long;
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my $query = new CGI;
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my $op;
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my $filename;
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my $dbh = C4::Context->dbh;
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my $marcflavour = C4::Context->preference("marcflavour");
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my $clean;
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my $output_format;
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my $dont_export_items;
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my $deleted_barcodes;
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my $timestamp;
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my $record_type;
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my $help;
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# Checks if the script is called from commandline
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my $commandline = not defined $ENV{GATEWAY_INTERFACE};
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if ( $commandline ) {
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# Getting parameters
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$op = 'export';
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GetOptions(
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'format=s' => \$output_format,
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'date=s' => \$timestamp,
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'dont_export_items' => \$dont_export_items,
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'deleted_barcodes' => \$deleted_barcodes,
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'clean' => \$clean,
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'filename=s' => \$filename,
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'record-type=s' => \$record_type,
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'help|?' => \$help
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);
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if ($help) {
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print <<_USAGE_;
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export.pl [--format=format] [--date=date] [--record-type=TYPE] [--dont_export_items] [--deleted_barcodes] [--clean] --filename=outputfile
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--format=FORMAT FORMAT is either 'xml' or 'marc' (default)
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--date=DATE DATE should be entered as the 'dateformat' syspref is
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set (dd/mm/yyyy for metric, yyyy-mm-dd for iso,
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mm/dd/yyyy for us) records exported are the ones that
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have been modified since DATE
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--record-type=TYPE TYPE is 'bibs' or 'auths'
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--deleted_barcodes If used, a list of barcodes of items deleted since DATE
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is produced (or from all deleted items if no date is
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specified). Used only if TYPE is 'bibs'
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--clean removes NSE/NSB
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_USAGE_
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exit;
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}
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# Default parameters values :
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$output_format ||= 'marc';
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$timestamp ||= '';
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$dont_export_items ||= 0;
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$deleted_barcodes ||= 0;
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$clean ||= 0;
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$record_type ||= "bibs";
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# Redirect stdout
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open STDOUT, '>', $filename if $filename;
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} else {
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$op = $query->param("op") || '';
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$filename = $query->param("filename") || 'koha.mrc';
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$filename =~ s/(\r|\n)//;
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}
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my ($template, $loggedinuser, $cookie, $flags) = get_template_and_user(
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{
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template_name => "tools/export.tmpl",
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query => $query,
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type => "intranet",
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authnotrequired => $commandline,
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flagsrequired => {tools => 'export_catalog'},
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debug => 1,
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}
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);
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my $limit_ind_branch = (
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C4::Context->preference('IndependantBranches') &&
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C4::Context->userenv &&
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!(C4::Context->userenv->{flags} & 1) &&
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C4::Context->userenv->{branch}
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) ? 1 : 0;
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my $branch = $query->param("branch") || '';
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if ( C4::Context->preference("IndependantBranches") &&
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C4::Context->userenv &&
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!(C4::Context->userenv->{flags} & 1) ) {
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$branch = C4::Context->userenv->{'branch'};
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}
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my $backupdir = C4::Context->config('backupdir');
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if ($op eq "export") {
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my $charset = 'utf-8';
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my $mimetype = 'application/octet-stream';
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binmode STDOUT, ':encoding(UTF-8)';
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if ( $filename =~ m/\.gz$/ ) {
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$mimetype = 'application/x-gzip';
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$charset = '';
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binmode STDOUT;
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} elsif ( $filename =~ m/\.bz2$/ ) {
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$mimetype = 'application/x-bzip2';
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binmode STDOUT;
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$charset = '';
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}
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print $query->header(
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-type => $mimetype,
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-charset => $charset,
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-attachment => $filename
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) unless ($commandline);
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$record_type = $query->param("record_type") unless ($commandline);
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$output_format = $query->param("output_format") || 'marc' unless ($commandline);
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my $dont_export_fields = $query->param("dont_export_fields");
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my @sql_params;
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my $sql_query;
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my $StartingBiblionumber = $query->param("StartingBiblionumber");
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my $EndingBiblionumber = $query->param("EndingBiblionumber");
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my $itemtype = $query->param("itemtype");
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my $start_callnumber = $query->param("start_callnumber");
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my $end_callnumber = $query->param("end_callnumber");
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$timestamp = ($timestamp) ? C4::Dates->new($timestamp) : '' if ($commandline);
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my $start_accession =
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( $query->param("start_accession") )
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? C4::Dates->new( $query->param("start_accession") )
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: '';
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my $end_accession =
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( $query->param("end_accession") )
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? C4::Dates->new( $query->param("end_accession") )
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: '';
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$dont_export_items = $query->param("dont_export_item") unless ($commandline);
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my $strip_nonlocal_items = $query->param("strip_nonlocal_items");
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my $biblioitemstable = ($commandline and $deleted_barcodes)
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? 'deletedbiblioitems'
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: 'biblioitems';
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my $itemstable = ($commandline and $deleted_barcodes)
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? 'deleteditems'
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: 'items';
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my $starting_authid = $query->param('starting_authid');
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my $ending_authid = $query->param('ending_authid');
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my $authtype = $query->param('authtype');
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if ( $record_type eq 'bibs' ) {
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if ($timestamp) {
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# Specific query when timestamp is used
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# Actually it's used only with CLI and so all previous filters
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# are not used.
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# If one day timestamp is used via the web interface, this part will
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# certainly have to be rewrited
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$sql_query = " (
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SELECT biblionumber
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FROM $biblioitemstable
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LEFT JOIN items USING(biblionumber)
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WHERE $biblioitemstable.timestamp >= ?
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OR items.timestamp >= ?
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) UNION (
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SELECT biblionumber
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FROM $biblioitemstable
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LEFT JOIN deleteditems USING(biblionumber)
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WHERE $biblioitemstable.timestamp >= ?
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OR deleteditems.timestamp >= ?
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) ";
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my $ts = $timestamp->output('iso');
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@sql_params = ($ts, $ts, $ts, $ts);
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} else {
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my $items_filter =
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$branch || $start_callnumber || $end_callnumber ||
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$start_accession || $timestamp || $end_accession ||
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($itemtype && C4::Context->preference('item-level_itypes'));
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$sql_query = $items_filter ?
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"SELECT DISTINCT $biblioitemstable.biblionumber
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FROM $biblioitemstable JOIN $itemstable
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USING (biblionumber) WHERE 1"
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:
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"SELECT $biblioitemstable.biblionumber FROM $biblioitemstable WHERE biblionumber >0 ";
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if ( $StartingBiblionumber ) {
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$sql_query .= " AND $biblioitemstable.biblionumber >= ? ";
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push @sql_params, $StartingBiblionumber;
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}
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if ( $EndingBiblionumber ) {
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$sql_query .= " AND $biblioitemstable.biblionumber <= ? ";
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push @sql_params, $EndingBiblionumber;
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}
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if ($branch) {
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$sql_query .= " AND homebranch = ? ";
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push @sql_params, $branch;
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}
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if ($start_callnumber) {
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$sql_query .= " AND itemcallnumber <= ? ";
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push @sql_params, $start_callnumber;
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}
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if ($end_callnumber) {
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$sql_query .= " AND itemcallnumber >= ? ";
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push @sql_params, $end_callnumber;
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}
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if ($start_accession) {
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$sql_query .= " AND dateaccessioned >= ? ";
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push @sql_params, $start_accession->output('iso');
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}
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if ($end_accession) {
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$sql_query .= " AND dateaccessioned <= ? ";
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push @sql_params, $end_accession->output('iso');
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}
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if ( $itemtype ) {
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$sql_query .= (C4::Context->preference('item-level_itypes')) ? " AND items.itype = ? " : " AND biblioitems.itemtype = ?";
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push @sql_params, $itemtype;
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}
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}
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}
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elsif ( $record_type eq 'auths' ) {
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$sql_query =
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"SELECT DISTINCT auth_header.authid FROM auth_header WHERE 1";
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if ($starting_authid) {
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$sql_query .= " AND auth_header.authid >= ? ";
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push @sql_params, $starting_authid;
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}
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if ($ending_authid) {
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$sql_query .= " AND auth_header.authid <= ? ";
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push @sql_params, $ending_authid;
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}
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if ($authtype) {
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$sql_query .= " AND auth_header.authtypecode = ? ";
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push @sql_params, $authtype;
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}
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}
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elsif ( $record_type eq 'db' ) {
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my $successful_export;
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if ( $flags->{superlibrarian} && C4::Context->config('backup_db_via_tools') ) {
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$successful_export = download_backup( { directory => "$backupdir", extension => 'sql', filename => "$filename" } )
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}
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unless ( $successful_export ) {
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my $remotehost = $query->remote_host();
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$remotehost =~ s/(\n|\r)//;
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warn "A suspicious attempt was made to download the db at '$filename' by someone at " . $remotehost . "\n";
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}
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exit;
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}
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elsif ( $record_type eq 'conf' ) {
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my $successful_export;
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if ( $flags->{superlibrarian} && C4::Context->config('backup_conf_via_tools') ) {
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$successful_export = download_backup( { directory => "$backupdir", extension => 'tar', filename => "$filename" } )
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}
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unless ( $successful_export ) {
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my $remotehost = $query->remote_host();
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$remotehost =~ s/(\n|\r)//;
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warn "A suspicious attempt was made to download the configuration at '$filename' by someone at " . $remotehost . "\n";
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}
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exit;
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}
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else {
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# Someone is trying to mess us up
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exit;
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}
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my $sth = $dbh->prepare($sql_query);
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$sth->execute(@sql_params);
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while ( my ($recordid) = $sth->fetchrow ) {
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if ( $deleted_barcodes ) {
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my $q = "
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SELECT DISTINCT barcode
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FROM deleteditems
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WHERE deleteditems.biblionumber = ?
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";
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my $sth = $dbh->prepare($q);
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$sth->execute($recordid);
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while (my $row = $sth->fetchrow_array) {
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print "$row\n";
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}
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} else {
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my $record;
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if ( $record_type eq 'bibs' ) {
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$record = eval { GetMarcBiblio($recordid); };
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if ($@) {
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next;
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}
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next if not defined $record;
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C4::Biblio::EmbedItemsInMarcBiblio( $record, $recordid )
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unless $dont_export_items;
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if ( $strip_nonlocal_items || $limit_ind_branch ) {
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my ( $homebranchfield, $homebranchsubfield ) =
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GetMarcFromKohaField( 'items.homebranch', '' );
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for my $itemfield ( $record->field($homebranchfield) ) {
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# if stripping nonlocal items, use loggedinuser's branch if they didn't select one
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$branch = C4::Context->userenv->{'branch'} unless $branch;
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$record->delete_field($itemfield)
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if (
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$itemfield->subfield($homebranchsubfield) ne $branch );
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}
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}
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}
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elsif ( $record_type eq 'auths' ) {
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$record = C4::AuthoritiesMarc::GetAuthority($recordid);
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next if not defined $record;
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}
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if ( $dont_export_fields ) {
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my @fields = split " ", $dont_export_fields;
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foreach ( @fields ) {
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/^(\d*)(\w)?$/;
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my $field = $1;
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my $subfield = $2;
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# skip if this record doesn't have this field
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next if not defined $record->field($field);
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if( $subfield ) {
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$record->field($field)->delete_subfields($subfield);
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}
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else {
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$record->delete_field($record->field($field));
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}
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}
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}
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RemoveAllNsb($record) if ($clean);
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if ( $output_format eq "xml" ) {
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if ($marcflavour eq 'UNIMARC' && $record_type eq 'auths') {
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print $record->as_xml_record('UNIMARCAUTH');
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} else {
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print $record->as_xml_record($marcflavour);
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}
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}
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else {
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print $record->as_usmarc();
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}
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}
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}
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exit;
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} # if export
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else {
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my $itemtypes = GetItemTypes;
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my @itemtypesloop;
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foreach my $thisitemtype (sort keys %$itemtypes) {
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my %row =
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(
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value => $thisitemtype,
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description => $itemtypes->{$thisitemtype}->{'description'},
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);
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push @itemtypesloop, \%row;
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}
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my $branches = GetBranches($limit_ind_branch);
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my @branchloop;
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for my $thisbranch (
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sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} }
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keys %{$branches}
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) {
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push @branchloop,
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{ value => $thisbranch,
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selected => $thisbranch eq $branch,
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branchname => $branches->{$thisbranch}->{'branchname'},
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};
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}
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my $authtypes = getauthtypes;
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my @authtypesloop;
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foreach my $thisauthtype ( sort keys %$authtypes ) {
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next unless $thisauthtype;
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my %row = (
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value => $thisauthtype,
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description => $authtypes->{$thisauthtype}->{'authtypetext'},
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);
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push @authtypesloop, \%row;
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}
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if ( $flags->{superlibrarian} && C4::Context->config('backup_db_via_tools') && $backupdir && -d $backupdir ) {
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$template->{VARS}->{'allow_db_export'} = 1;
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$template->{VARS}->{'dbfiles'} = getbackupfilelist( { directory => "$backupdir", extension => 'sql' } );
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}
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if ( $flags->{superlibrarian} && C4::Context->config('backup_conf_via_tools') && $backupdir && -d $backupdir ) {
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$template->{VARS}->{'allow_conf_export'} = 1;
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$template->{VARS}->{'conffiles'} = getbackupfilelist( { directory => "$backupdir", extension => 'tar' } );
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}
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$template->param(
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branchloop => \@branchloop,
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itemtypeloop => \@itemtypesloop,
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DHTMLcalendar_dateformat => C4::Dates->DHTMLcalendar(),
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authtypeloop => \@authtypesloop,
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dont_export_fields => C4::Context->preference("DontExportFields"),
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);
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output_html_with_http_headers $query, $cookie, $template->output;
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}
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sub getbackupfilelist {
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my $args = shift;
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my $directory = $args->{directory};
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my $extension = $args->{extension};
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my @files;
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if ( opendir(my $dir, $directory) ) {
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while (my $file = readdir($dir)) {
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next unless ( $file =~ m/\.$extension(\.(gz|bz2|xz))?/ );
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push @files, $file if ( -f "$directory/$file" && -r "$directory/$file" );
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}
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closedir($dir);
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}
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return \@files;
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}
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sub download_backup {
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my $args = shift;
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my $directory = $args->{directory};
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my $extension = $args->{extension};
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my $filename = $args->{filename};
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return unless ( $directory && -d $directory );
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return unless ( $filename =~ m/\.$extension(\.(gz|bz2|xz))?$/ );
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return if ( $filename =~ m#/# );
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$filename = "$directory/$filename";
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return unless ( -f $filename && -r $filename );
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return unless ( open(my $dump, '<', $filename) );
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binmode $dump;
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while (read($dump, my $data, 64 * 1024)) {
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print $data;
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}
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close ($dump);
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return 1;
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}
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