tools/export.pl

   1 #!/usr/bin/perl
   2
   3 #
   4 # This file is part of Koha.
   5 #
   6 # Koha is free software; you can redistribute it and/or modify it under the
   7 # terms of the GNU General Public License as published by the Free Software
   8 # Foundation; either version 2 of the License, or (at your option) any later
   9 # version.
  10 #
  11 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  12 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  13 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License along with
  16 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  17 # Suite 330, Boston, MA  02111-1307 USA
  18
  19 use Modern::Perl;
  20 use MARC::File::XML;
  21 use List::MoreUtils qw(uniq);
  22 use Getopt::Long;
  23 use CGI;
  24 use C4::Auth;
  25 use C4::AuthoritiesMarc;    # GetAuthority
  26 use C4::Biblio;             # GetMarcBiblio
  27 use C4::Branch;             # GetBranches
  28 use C4::Csv;
  29 use C4::Koha;               # GetItemTypes
  30 use C4::Output;
  31 use C4::Record;
  32
  33 my $query = new CGI;
  34
  35 my $clean;
  36 my $dont_export_items;
  37 my $deleted_barcodes;
  38 my $timestamp;
  39 my $record_type;
  40 my $id_list_file;
  41 my $help;
  42 my $op       = $query->param("op")       || '';
  43 my $filename = $query->param("filename") || 'koha.mrc';
  44 my $dbh      = C4::Context->dbh;
  45 my $marcflavour = C4::Context->preference("marcflavour");
  46 my $output_format = $query->param("format") || $query->param("output_format") || 'iso2709';
  47
  48 # Checks if the script is called from commandline
  49 my $commandline = not defined $ENV{GATEWAY_INTERFACE};
  50
  51 if ( $commandline ) {
  52
  53     # Getting parameters
  54     $op = 'export';
  55     GetOptions(
  56         'format=s'          => \$output_format,
  57         'date=s'            => \$timestamp,
  58         'dont_export_items' => \$dont_export_items,
  59         'deleted_barcodes'  => \$deleted_barcodes,
  60         'clean'             => \$clean,
  61         'filename=s'        => \$filename,
  62         'record-type=s'     => \$record_type,
  63         'id_list_file=s'    => \$id_list_file,
  64         'help|?'            => \$help
  65     );
  66
  67     if ($help) {
  68         print <<_USAGE_;
  69 export.pl [--format=format] [--date=date] [--record-type=TYPE] [--dont_export_items] [--deleted_barcodes] [--clean] [--id_list_file=PATH] --filename=outputfile
  70
  71
  72  --format=FORMAT        FORMAT is either 'xml' or 'marc' (default)
  73
  74  --date=DATE            DATE should be entered as the 'dateformat' syspref is
  75                         set (dd/mm/yyyy for metric, yyyy-mm-dd for iso,
  76                         mm/dd/yyyy for us) records exported are the ones that
  77                         have been modified since DATE
  78
  79  --record-type=TYPE     TYPE is 'bibs' or 'auths'
  80
  81  --deleted_barcodes     If used, a list of barcodes of items deleted since DATE
  82                         is produced (or from all deleted items if no date is
  83                         specified). Used only if TYPE is 'bibs'
  84
  85  --clean                removes NSE/NSB
  86
  87  --id_list_file=PATH    PATH is a path to a file containing a list of
  88                         IDs (biblionumber or authid) with one ID per line.
  89                         This list works as a filter; it is compatible with
  90                         other parameters for selecting records
  91 _USAGE_
  92         exit;
  93     }
  94
  95     # Default parameters values :
  96     $timestamp         ||= '';
  97     $dont_export_items ||= 0;
  98     $deleted_barcodes  ||= 0;
  99     $clean             ||= 0;
 100     $record_type       ||= "bibs";
 101     $id_list_file       ||= 0;
 102
 103     # Redirect stdout
 104     open STDOUT, '>', $filename if $filename;
 105
 106 }
 107 else {
 108
 109     $op       = $query->param("op")       || '';
 110     $filename = $query->param("filename") || 'koha.mrc';
 111     $filename =~ s/(\r|\n)//;
 112
 113 }
 114
 115 # Default value for output_format is 'iso2709'
 116 $output_format ||= 'iso2709';
 117 # Retrocompatibility for the format parameter
 118 $output_format = 'iso2709' if $output_format eq 'marc';
 119
 120 my ( $template, $loggedinuser, $cookie, $flags ) = get_template_and_user(
 121     {
 122         template_name   => "tools/export.tt",
 123         query           => $query,
 124         type            => "intranet",
 125         authnotrequired => $commandline,
 126         flagsrequired   => { tools => 'export_catalog' },
 127         debug           => 1,
 128     }
 129 );
 130
 131 my $limit_ind_branch =
 132   (      C4::Context->preference('IndependentBranches')
 133       && C4::Context->userenv
 134       && !C4::Context->IsSuperLibrarian()
 135       && C4::Context->userenv->{branch} ) ? 1 : 0;
 136
 137 my $branch = $query->param("branch") || '';
 138 if (   C4::Context->preference("IndependentBranches")
 139     && C4::Context->userenv
 140     && !C4::Context->IsSuperLibrarian() )
 141 {
 142     $branch = C4::Context->userenv->{'branch'};
 143 }
 144
 145 my $backupdir = C4::Context->config('backupdir');
 146
 147 if ( $op eq "export" ) {
 148     if ( $output_format eq "iso2709" or $output_format eq "xml" ) {
 149         my $charset  = 'utf-8';
 150         my $mimetype = 'application/octet-stream';
 151         binmode STDOUT, ':encoding(UTF-8)';
 152         if ( $filename =~ m/\.gz$/ ) {
 153             $mimetype = 'application/x-gzip';
 154             $charset  = '';
 155             binmode STDOUT;
 156         }
 157         elsif ( $filename =~ m/\.bz2$/ ) {
 158             $mimetype = 'application/x-bzip2';
 159             binmode STDOUT;
 160             $charset = '';
 161         }
 162         print $query->header(
 163             -type       => $mimetype,
 164             -charset    => $charset,
 165             -attachment => $filename
 166         ) unless ($commandline);
 167
 168         $record_type = $query->param("record_type") unless ($commandline);
 169         my $export_remove_fields = $query->param("export_remove_fields");
 170         my @biblionumbers      = $query->param("biblionumbers");
 171         my @itemnumbers        = $query->param("itemnumbers");
 172         my @sql_params;
 173         my $sql_query;
 174         my @recordids;
 175
 176         my $StartingBiblionumber = $query->param("StartingBiblionumber");
 177         my $EndingBiblionumber   = $query->param("EndingBiblionumber");
 178         my $itemtype             = $query->param("itemtype");
 179         my $start_callnumber     = $query->param("start_callnumber");
 180         my $end_callnumber       = $query->param("end_callnumber");
 181         $timestamp = ($timestamp) ? C4::Dates->new($timestamp) : ''
 182           if ($commandline);
 183         my $start_accession =
 184           ( $query->param("start_accession") )
 185           ? C4::Dates->new( $query->param("start_accession") )
 186           : '';
 187         my $end_accession =
 188           ( $query->param("end_accession") )
 189           ? C4::Dates->new( $query->param("end_accession") )
 190           : '';
 191         $dont_export_items = $query->param("dont_export_item")
 192           unless ($commandline);
 193
 194         my $strip_nonlocal_items = $query->param("strip_nonlocal_items");
 195
 196         my $biblioitemstable =
 197           ( $commandline and $deleted_barcodes )
 198           ? 'deletedbiblioitems'
 199           : 'biblioitems';
 200         my $itemstable =
 201           ( $commandline and $deleted_barcodes )
 202           ? 'deleteditems'
 203           : 'items';
 204
 205         my $starting_authid = $query->param('starting_authid');
 206         my $ending_authid   = $query->param('ending_authid');
 207         my $authtype        = $query->param('authtype');
 208         my $filefh;
 209         if ($commandline) {
 210             open $filefh,"<", $id_list_file or die "cannot open $id_list_file: $!" if $id_list_file;
 211         } else {
 212             $filefh = $query->upload("id_list_file");
 213         }
 214         my %id_filter;
 215         if ($filefh) {
 216             while (my $number=<$filefh>){
 217                 $number=~s/[\r\n]*$//;
 218                 $id_filter{$number}=1 if $number=~/^\d+$/;
 219             }
 220         }
 221
 222         if ( $record_type eq 'bibs' and not @biblionumbers ) {
 223             if ($timestamp) {
 224
 225             # Specific query when timestamp is used
 226             # Actually it's used only with CLI and so all previous filters
 227             # are not used.
 228             # If one day timestamp is used via the web interface, this part will
 229             # certainly have to be rewrited
 230                 my ( $query, $params ) = construct_query(
 231                     {
 232                         recordtype       => $record_type,
 233                         timestamp        => $timestamp,
 234                         biblioitemstable => $biblioitemstable,
 235                     }
 236                 );
 237                 $sql_query  = $query;
 238                 @sql_params = @$params;
 239
 240             }
 241             else {
 242                 my ( $query, $params ) = construct_query(
 243                     {
 244                         recordtype           => $record_type,
 245                         biblioitemstable     => $biblioitemstable,
 246                         itemstable           => $itemstable,
 247                         StartingBiblionumber => $StartingBiblionumber,
 248                         EndingBiblionumber   => $EndingBiblionumber,
 249                         branch               => $branch,
 250                         start_callnumber     => $start_callnumber,
 251                         end_callnumber       => $end_callnumber,
 252                         start_accession      => $start_accession,
 253                         end_accession        => $end_accession,
 254                         itemtype             => $itemtype,
 255                     }
 256                 );
 257                 $sql_query  = $query;
 258                 @sql_params = @$params;
 259             }
 260         }
 261         elsif ( $record_type eq 'auths' ) {
 262             my ( $query, $params ) = construct_query(
 263                 {
 264                     recordtype      => $record_type,
 265                     starting_authid => $starting_authid,
 266                     ending_authid   => $ending_authid,
 267                     authtype        => $authtype,
 268                 }
 269             );
 270             $sql_query  = $query;
 271             @sql_params = @$params;
 272
 273         }
 274         elsif ( $record_type eq 'db' ) {
 275             my $successful_export;
 276             if ( $flags->{superlibrarian}
 277                 && C4::Context->config('backup_db_via_tools') )
 278             {
 279                 $successful_export = download_backup(
 280                     {
 281                         directory => "$backupdir",
 282                         extension => 'sql',
 283                         filename  => "$filename"
 284                     }
 285                 );
 286             }
 287             unless ($successful_export) {
 288                 my $remotehost = $query->remote_host();
 289                 $remotehost =~ s/(\n|\r)//;
 290                 warn
 291 "A suspicious attempt was made to download the db at '$filename' by someone at "
 292                   . $remotehost . "\n";
 293             }
 294             exit;
 295         }
 296         elsif ( $record_type eq 'conf' ) {
 297             my $successful_export;
 298             if ( $flags->{superlibrarian}
 299                 && C4::Context->config('backup_conf_via_tools') )
 300             {
 301                 $successful_export = download_backup(
 302                     {
 303                         directory => "$backupdir",
 304                         extension => 'tar',
 305                         filename  => "$filename"
 306                     }
 307                 );
 308             }
 309             unless ($successful_export) {
 310                 my $remotehost = $query->remote_host();
 311                 $remotehost =~ s/(\n|\r)//;
 312                 warn
 313 "A suspicious attempt was made to download the configuration at '$filename' by someone at "
 314                   . $remotehost . "\n";
 315             }
 316             exit;
 317         }
 318         elsif (@biblionumbers) {
 319             push @recordids, (@biblionumbers);
 320         }
 321         else {
 322
 323             # Someone is trying to mess us up
 324             exit;
 325         }
 326
 327         unless (@biblionumbers) {
 328             my $sth = $dbh->prepare($sql_query);
 329             $sth->execute(@sql_params);
 330             push @recordids, map {
 331                 map { $$_[0] } $_
 332             } @{ $sth->fetchall_arrayref };
 333             @recordids = grep { exists($id_filter{$_}) } @recordids if scalar(%id_filter);
 334         }
 335
 336         my $xml_header_written = 0;
 337         for my $recordid ( uniq @recordids ) {
 338             if ($deleted_barcodes) {
 339                 my $q = "
 340                     SELECT DISTINCT barcode
 341                     FROM deleteditems
 342                     WHERE deleteditems.biblionumber = ?
 343                 ";
 344                 my $sth = $dbh->prepare($q);
 345                 $sth->execute($recordid);
 346                 while ( my $row = $sth->fetchrow_array ) {
 347                     print "$row\n";
 348                 }
 349             }
 350             else {
 351                 my $record;
 352                 if ( $record_type eq 'bibs' ) {
 353                     $record = eval { GetMarcBiblio($recordid); };
 354
 355                     next if $@;
 356                     next if not defined $record;
 357                     C4::Biblio::EmbedItemsInMarcBiblio( $record, $recordid,
 358                         \@itemnumbers )
 359                       unless $dont_export_items;
 360                     if (   $strip_nonlocal_items
 361                         || $limit_ind_branch
 362                         || $dont_export_items )
 363                     {
 364                         my ( $homebranchfield, $homebranchsubfield ) =
 365                           GetMarcFromKohaField( 'items.homebranch', '' );
 366                         for my $itemfield ( $record->field($homebranchfield) ) {
 367
 368 # if stripping nonlocal items, use loggedinuser's branch if they didn't select one
 369                             $branch = C4::Context->userenv->{'branch'}
 370                               unless $branch;
 371                             $record->delete_field($itemfield)
 372                               if ( $dont_export_items
 373                                 || $itemfield->subfield($homebranchsubfield) ne
 374                                 $branch );
 375                         }
 376                     }
 377                 }
 378                 elsif ( $record_type eq 'auths' ) {
 379                     $record = C4::AuthoritiesMarc::GetAuthority($recordid);
 380                     next if not defined $record;
 381                 }
 382
 383                 if ($export_remove_fields) {
 384                     for my $f ( split / /, $export_remove_fields ) {
 385                         if ( $f =~ m/^(\d{3})(.)?$/ ) {
 386                             my ( $field, $subfield ) = ( $1, $2 );
 387
 388                             # skip if this record doesn't have this field
 389                             if ( defined $record->field($field) ) {
 390                                 if ( defined $subfield ) {
 391                                     my @tags = $record->field($field);
 392                                     foreach my $t (@tags) {
 393                                         $t->delete_subfields($subfield);
 394                                     }
 395                                 }
 396                                 else {
 397                                     $record->delete_fields($field);
 398                                 }
 399                             }
 400                         }
 401                     }
 402                 }
 403                 RemoveAllNsb($record) if ($clean);
 404                 if ( $output_format eq "xml" ) {
 405                     unless ($xml_header_written) {
 406                         MARC::File::XML->default_record_format(
 407                             (
 408                                      $marcflavour eq 'UNIMARC'
 409                                   && $record_type eq 'auths'
 410                             ) ? 'UNIMARCAUTH' : $marcflavour
 411                         );
 412                         print MARC::File::XML::header();
 413                         print "\n";
 414                         $xml_header_written = 1;
 415                     }
 416                     print MARC::File::XML::record($record);
 417                     print "\n";
 418                 }
 419                 else {
 420                     my $errorcount_on_decode = eval { scalar(MARC::File::USMARC->decode( $record->as_usmarc )->warnings()) };
 421                     if ($errorcount_on_decode or $@){
 422                         warn $@ if $@;
 423                         warn "record (number $recordid) is invalid and therefore not exported because its reopening generates warnings above";
 424                         next;
 425                     }
 426                     print $record->as_usmarc();
 427                 }
 428             }
 429         }
 430         if ($xml_header_written) {
 431             print MARC::File::XML::footer();
 432             print "\n";
 433         }
 434
 435         exit;
 436     }
 437     elsif ( $output_format eq "csv" ) {
 438         my @biblionumbers = uniq $query->param("biblionumbers");
 439         my @itemnumbers   = $query->param("itemnumbers");
 440         my $output =
 441           marc2csv( \@biblionumbers,
 442             GetCsvProfileId( C4::Context->preference('ExportWithCsvProfile') ),
 443             \@itemnumbers, );
 444         print $query->header(
 445             -type                        => 'application/octet-stream',
 446             -'Content-Transfer-Encoding' => 'binary',
 447             -attachment                  => "export.csv"
 448         );
 449         print $output;
 450         exit;
 451     }
 452 }    # if export
 453
 454 else {
 455
 456     my $itemtypes = GetItemTypes;
 457     my @itemtypesloop;
 458     foreach my $thisitemtype ( sort keys %$itemtypes ) {
 459         my %row = (
 460             value       => $thisitemtype,
 461             description => $itemtypes->{$thisitemtype}->{'description'},
 462         );
 463         push @itemtypesloop, \%row;
 464     }
 465     my $branches = GetBranches($limit_ind_branch);
 466     my @branchloop;
 467     for my $thisbranch (
 468         sort { $branches->{$a}->{branchname} cmp $branches->{$b}->{branchname} }
 469         keys %{$branches}
 470       )
 471     {
 472         push @branchloop,
 473           {
 474             value      => $thisbranch,
 475             selected   => $thisbranch eq $branch,
 476             branchname => $branches->{$thisbranch}->{'branchname'},
 477           };
 478     }
 479
 480     my $authtypes = getauthtypes;
 481     my @authtypesloop;
 482     foreach my $thisauthtype ( sort keys %$authtypes ) {
 483         next unless $thisauthtype;
 484         my %row = (
 485             value       => $thisauthtype,
 486             description => $authtypes->{$thisauthtype}->{'authtypetext'},
 487         );
 488         push @authtypesloop, \%row;
 489     }
 490
 491     if (   $flags->{superlibrarian}
 492         && C4::Context->config('backup_db_via_tools')
 493         && $backupdir
 494         && -d $backupdir )
 495     {
 496         $template->{VARS}->{'allow_db_export'} = 1;
 497         $template->{VARS}->{'dbfiles'}         = getbackupfilelist(
 498             { directory => "$backupdir", extension => 'sql' } );
 499     }
 500
 501     if (   $flags->{superlibrarian}
 502         && C4::Context->config('backup_conf_via_tools')
 503         && $backupdir
 504         && -d $backupdir )
 505     {
 506         $template->{VARS}->{'allow_conf_export'} = 1;
 507         $template->{VARS}->{'conffiles'}         = getbackupfilelist(
 508             { directory => "$backupdir", extension => 'tar' } );
 509     }
 510
 511     $template->param(
 512         branchloop               => \@branchloop,
 513         itemtypeloop             => \@itemtypesloop,
 514         authtypeloop             => \@authtypesloop,
 515         export_remove_fields     => C4::Context->preference("ExportRemoveFields"),
 516     );
 517
 518     output_html_with_http_headers $query, $cookie, $template->output;
 519 }
 520
 521 sub construct_query {
 522     my ($params) = @_;
 523
 524     my ( $sql_query, @sql_params );
 525
 526     if ( $params->{recordtype} eq "bibs" ) {
 527         if ( $params->{timestamp} ) {
 528             my $biblioitemstable = $params->{biblioitemstable};
 529             $sql_query = " (
 530                 SELECT biblionumber
 531                 FROM $biblioitemstable
 532                   LEFT JOIN items USING(biblionumber)
 533                 WHERE $biblioitemstable.timestamp >= ?
 534                   OR items.timestamp >= ?
 535             ) UNION (
 536                 SELECT biblionumber
 537                 FROM $biblioitemstable
 538                   LEFT JOIN deleteditems USING(biblionumber)
 539                 WHERE $biblioitemstable.timestamp >= ?
 540                   OR deleteditems.timestamp >= ?
 541             ) ";
 542             my $ts = $timestamp->output('iso');
 543             @sql_params = ( $ts, $ts, $ts, $ts );
 544         }
 545         else {
 546             my $biblioitemstable     = $params->{biblioitemstable};
 547             my $itemstable           = $params->{itemstable};
 548             my $StartingBiblionumber = $params->{StartingBiblionumber};
 549             my $EndingBiblionumber   = $params->{EndingBiblionumber};
 550             my $branch               = $params->{branch};
 551             my $start_callnumber     = $params->{start_callnumber};
 552             my $end_callnumber       = $params->{end_callnumber};
 553             my $start_accession      = $params->{start_accession};
 554             my $end_accession        = $params->{end_accession};
 555             my $itemtype             = $params->{itemtype};
 556             my $items_filter =
 557                  $branch
 558               || $start_callnumber
 559               || $end_callnumber
 560               || $start_accession
 561               || $end_accession
 562               || ( $itemtype && C4::Context->preference('item-level_itypes') );
 563             $sql_query = $items_filter
 564               ? "SELECT DISTINCT $biblioitemstable.biblionumber
 565                 FROM $biblioitemstable JOIN $itemstable
 566                 USING (biblionumber) WHERE 1"
 567               : "SELECT $biblioitemstable.biblionumber FROM $biblioitemstable WHERE biblionumber >0 ";
 568
 569             if ($StartingBiblionumber) {
 570                 $sql_query .= " AND $biblioitemstable.biblionumber >= ? ";
 571                 push @sql_params, $StartingBiblionumber;
 572             }
 573
 574             if ($EndingBiblionumber) {
 575                 $sql_query .= " AND $biblioitemstable.biblionumber <= ? ";
 576                 push @sql_params, $EndingBiblionumber;
 577             }
 578
 579             if ($branch) {
 580                 $sql_query .= " AND homebranch = ? ";
 581                 push @sql_params, $branch;
 582             }
 583
 584             if ($start_callnumber) {
 585                 $sql_query .= " AND itemcallnumber >= ? ";
 586                 push @sql_params, $start_callnumber;
 587             }
 588
 589             if ($end_callnumber) {
 590                 $sql_query .= " AND itemcallnumber <= ? ";
 591                 push @sql_params, $end_callnumber;
 592             }
 593             if ($start_accession) {
 594                 $sql_query .= " AND dateaccessioned >= ? ";
 595                 push @sql_params, $start_accession->output('iso');
 596             }
 597
 598             if ($end_accession) {
 599                 $sql_query .= " AND dateaccessioned <= ? ";
 600                 push @sql_params, $end_accession->output('iso');
 601             }
 602
 603             if ($itemtype) {
 604                 $sql_query .=
 605                   ( C4::Context->preference('item-level_itypes') )
 606                   ? " AND items.itype = ? "
 607                   : " AND biblioitems.itemtype = ?";
 608                 push @sql_params, $itemtype;
 609             }
 610         }
 611     }
 612     elsif ( $params->{recordtype} eq "auths" ) {
 613         if ( $params->{timestamp} ) {
 614
 615             #TODO
 616         }
 617         else {
 618             my $starting_authid = $params->{starting_authid};
 619             my $ending_authid   = $params->{ending_authid};
 620             my $authtype        = $params->{authtype};
 621             $sql_query =
 622               "SELECT DISTINCT auth_header.authid FROM auth_header WHERE 1";
 623
 624             if ($starting_authid) {
 625                 $sql_query .= " AND auth_header.authid >= ? ";
 626                 push @sql_params, $starting_authid;
 627             }
 628
 629             if ($ending_authid) {
 630                 $sql_query .= " AND auth_header.authid <= ? ";
 631                 push @sql_params, $ending_authid;
 632             }
 633
 634             if ($authtype) {
 635                 $sql_query .= " AND auth_header.authtypecode = ? ";
 636                 push @sql_params, $authtype;
 637             }
 638         }
 639     }
 640     return ( $sql_query, \@sql_params );
 641 }
 642
 643 sub getbackupfilelist {
 644     my $args      = shift;
 645     my $directory = $args->{directory};
 646     my $extension = $args->{extension};
 647     my @files;
 648
 649     if ( opendir( my $dir, $directory ) ) {
 650         while ( my $file = readdir($dir) ) {
 651             next unless ( $file =~ m/\.$extension(\.(gz|bz2|xz))?/ );
 652             push @files, $file
 653               if ( -f "$directory/$file" && -r "$directory/$file" );
 654         }
 655         closedir($dir);
 656     }
 657     return \@files;
 658 }
 659
 660 sub download_backup {
 661     my $args      = shift;
 662     my $directory = $args->{directory};
 663     my $extension = $args->{extension};
 664     my $filename  = $args->{filename};
 665
 666     return unless ( $directory && -d $directory );
 667     return unless ( $filename =~ m/\.$extension(\.(gz|bz2|xz))?$/ );
 668     return if ( $filename =~ m#/# );
 669     $filename = "$directory/$filename";
 670     return unless ( -f $filename && -r $filename );
 671     return unless ( open( my $dump, '<', $filename ) );
 672     binmode $dump;
 673
 674     while ( read( $dump, my $data, 64 * 1024 ) ) {
 675         print $data;
 676     }
 677     close($dump);
 678     return 1;
 679 }