misc/translator/LangInstaller.pm

   1 package LangInstaller;
   2
   3 # Copyright (C) 2010 Tamil s.a.r.l.
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use C4::Context;
  23 # WARNING: Any other tested YAML library fails to work properly in this
  24 # script content
  25 use YAML::Syck qw( Dump LoadFile );
  26 use Locale::PO;
  27 use FindBin qw( $Bin );
  28
  29 $YAML::Syck::ImplicitTyping = 1;
  30
  31
  32 # Default file header for .po syspref files
  33 my $default_pref_po_header = Locale::PO->new(-msgid => '', -msgstr =>
  34     "Project-Id-Version: PACKAGE VERSION\\n" .
  35     "PO-Revision-Date: YEAR-MO-DA HO:MI +ZONE\\n" .
  36     "Last-Translator: FULL NAME <EMAIL\@ADDRESS>\\n" .
  37     "Language-Team: Koha Translate List <koha-translate\@lists.koha-community.org>\\n" .
  38     "MIME-Version: 1.0\\n" .
  39     "Content-Type: text/plain; charset=UTF-8\\n" .
  40     "Content-Transfer-Encoding: 8bit\\n" .
  41     "Plural-Forms: nplurals=2; plural=(n > 1);\\n"
  42 );
  43
  44
  45 sub set_lang {
  46     my ($self, $lang) = @_;
  47
  48     $self->{lang} = $lang;
  49     $self->{po_path_lang} = $self->{context}->config('intrahtdocs') .
  50                             "/prog/$lang/modules/admin/preferences";
  51 }
  52
  53
  54 sub new {
  55     my ($class, $lang, $pref_only, $verbose) = @_;
  56
  57     my $self                 = { };
  58
  59     my $context              = C4::Context->new();
  60     $self->{context}         = $context;
  61     $self->{path_pref_en}    = $context->config('intrahtdocs') .
  62                                '/prog/en/modules/admin/preferences';
  63     set_lang( $self, $lang ) if $lang;
  64     $self->{pref_only}       = $pref_only;
  65     $self->{verbose}         = $verbose;
  66     $self->{process}         = "$Bin/tmpl_process3.pl " . ($verbose ? '' : '-q');
  67     $self->{path_po}         = "$Bin/po";
  68     $self->{po}              = { '' => $default_pref_po_header };
  69     $self->{domain}          = 'messages';
  70     $self->{cp}              = `which cp`;
  71     $self->{msgmerge}        = `which msgmerge`;
  72     $self->{xgettext}        = `which xgettext`;
  73     $self->{sed}             = `which sed`;
  74     chomp $self->{cp};
  75     chomp $self->{msgmerge};
  76     chomp $self->{xgettext};
  77     chomp $self->{sed};
  78
  79     # Get all .pref file names
  80     opendir my $fh, $self->{path_pref_en};
  81     my @pref_files = grep { /.pref/ } readdir($fh);
  82     close $fh;
  83     $self->{pref_files} = \@pref_files;
  84
  85     # Get all available language codes
  86     opendir $fh, $self->{path_po};
  87     my @langs =  map { ($_) =~ /(.*)-pref/ }
  88         grep { $_ =~ /.*-pref/ } readdir($fh);
  89     closedir $fh;
  90     $self->{langs} = \@langs;
  91
  92     # Map for both interfaces opac/intranet
  93     my $opachtdocs = $context->config('opachtdocs');
  94     $self->{interface} = [
  95         {
  96             name   => 'Intranet prog UI',
  97             dir    => $context->config('intrahtdocs') . '/prog',
  98             suffix => '-staff-prog.po',
  99         },
 100         {
 101             name   => 'Intranet prog help',
 102             dir    => $context->config('intrahtdocs') . '/prog/en/modules/help',
 103             suffix => '-staff-help.po',
 104         },
 105     ];
 106
 107     # OPAC themes
 108     opendir my $dh, $context->config('opachtdocs');
 109     for my $theme ( grep { not /^\.|lib/ } readdir($dh) ) {
 110         push @{$self->{interface}}, {
 111             name   => "OPAC $theme",
 112             dir    => "$opachtdocs/$theme",
 113             suffix => "-opac-$theme.po",
 114         };
 115     }
 116
 117     # MARC flavours (hardcoded list)
 118     for ( "MARC21", "UNIMARC", "NORMARC" ) {
 119         # search for strings on staff & opac marc files
 120         my $dirs = $context->config('intrahtdocs') . '/prog';
 121         opendir $fh, $context->config('opachtdocs');
 122         for ( grep { not /^\.|\.\.|lib$/ } readdir($fh) ) {
 123             $dirs .= ' ' . "$opachtdocs/$_";
 124         }
 125         push @{$self->{interface}}, {
 126             name   => "$_",
 127             dir    => $dirs,
 128             suffix => "-marc-$_.po",
 129         };
 130     }
 131
 132     bless $self, $class;
 133 }
 134
 135
 136 sub po_filename {
 137     my $self = shift;
 138
 139     my $context    = C4::Context->new;
 140     my $trans_path = $Bin . '/po';
 141     my $trans_file = "$trans_path/" . $self->{lang} . "-pref.po";
 142     return $trans_file;
 143 }
 144
 145
 146 sub po_append {
 147     my ($self, $id, $comment) = @_;
 148     my $po = $self->{po};
 149     my $p = $po->{$id};
 150     if ( $p ) {
 151         $p->comment( $p->comment . "\n" . $comment );
 152     }
 153     else {
 154         $po->{$id} = Locale::PO->new(
 155             -comment => $comment,
 156             -msgid   => $id,
 157             -msgstr  => ''
 158         );
 159     }
 160 }
 161
 162
 163 sub add_prefs {
 164     my ($self, $comment, $prefs) = @_;
 165
 166     for my $pref ( @$prefs ) {
 167         my $pref_name = '';
 168         for my $element ( @$pref ) {
 169             if ( ref( $element) eq 'HASH' ) {
 170                 $pref_name = $element->{pref};
 171                 last;
 172             }
 173         }
 174         for my $element ( @$pref ) {
 175             if ( ref( $element) eq 'HASH' ) {
 176                 while ( my ($key, $value) = each(%$element) ) {
 177                     next unless $key eq 'choices';
 178                     next unless ref($value) eq 'HASH';
 179                     for my $ckey ( keys %$value ) {
 180                         my $id = $self->{file} . "#$pref_name# " . $value->{$ckey};
 181                         $self->po_append( $id, $comment );
 182                     }
 183                 }
 184             }
 185             elsif ( $element ) {
 186                 $self->po_append( $self->{file} . "#$pref_name# $element", $comment );
 187             }
 188         }
 189     }
 190 }
 191
 192
 193 sub get_trans_text {
 194     my ($self, $id) = @_;
 195
 196     my $po = $self->{po}->{$id};
 197     return unless $po;
 198     return Locale::PO->dequote($po->msgstr);
 199 }
 200
 201
 202 sub update_tab_prefs {
 203     my ($self, $pref, $prefs) = @_;
 204
 205     for my $p ( @$prefs ) {
 206         my $pref_name = '';
 207         next unless $p;
 208         for my $element ( @$p ) {
 209             if ( ref( $element) eq 'HASH' ) {
 210                 $pref_name = $element->{pref};
 211                 last;
 212             }
 213         }
 214         for my $i ( 0..@$p-1 ) {
 215             my $element = $p->[$i];
 216             if ( ref( $element) eq 'HASH' ) {
 217                 while ( my ($key, $value) = each(%$element) ) {
 218                     next unless $key eq 'choices';
 219                     next unless ref($value) eq 'HASH';
 220                     for my $ckey ( keys %$value ) {
 221                         my $id = $self->{file} . "#$pref_name# " . $value->{$ckey};
 222                         my $text = $self->get_trans_text( $id );
 223                         $value->{$ckey} = $text if $text;
 224                     }
 225                 }
 226             }
 227             elsif ( $element ) {
 228                 my $id = $self->{file} . "#$pref_name# $element";
 229                 my $text = $self->get_trans_text( $id );
 230                 $p->[$i] = $text if $text;
 231             }
 232         }
 233     }
 234 }
 235
 236
 237 sub get_po_from_prefs {
 238     my $self = shift;
 239
 240     for my $file ( @{$self->{pref_files}} ) {
 241         my $pref = LoadFile( $self->{path_pref_en} . "/$file" );
 242         $self->{file} = $file;
 243         # Entries for tab titles
 244         $self->po_append( $self->{file}, $_ ) for keys %$pref;
 245         while ( my ($tab, $tab_content) = each %$pref ) {
 246             if ( ref($tab_content) eq 'ARRAY' ) {
 247                 $self->add_prefs( $tab, $tab_content );
 248                 next;
 249             }
 250             while ( my ($section, $sysprefs) = each %$tab_content ) {
 251                 my $comment = "$tab > $section";
 252                 $self->po_append( $self->{file} . " " . $section, $comment );
 253                 $self->add_prefs( $comment, $sysprefs );
 254             }
 255         }
 256     }
 257 }
 258
 259
 260 sub save_po {
 261     my $self = shift;
 262
 263     # Create file header if it doesn't already exist
 264     my $po = $self->{po};
 265     $po->{''} ||= $default_pref_po_header;
 266
 267     # Write .po entries into a file put in Koha standard po directory
 268     Locale::PO->save_file_fromhash( $self->po_filename, $po );
 269     say "Saved in file: ", $self->po_filename if $self->{verbose};
 270 }
 271
 272
 273 sub get_po_merged_with_en {
 274     my $self = shift;
 275
 276     # Get po from current 'en' .pref files
 277     $self->get_po_from_prefs();
 278     my $po_current = $self->{po};
 279
 280     # Get po from previous generation
 281     my $po_previous = Locale::PO->load_file_ashash( $self->po_filename );
 282
 283     for my $id ( keys %$po_current ) {
 284         my $po =  $po_previous->{Locale::PO->quote($id)};
 285         next unless $po;
 286         my $text = Locale::PO->dequote( $po->msgstr );
 287         $po_current->{$id}->msgstr( $text );
 288     }
 289 }
 290
 291
 292 sub update_prefs {
 293     my $self = shift;
 294     print "Update '", $self->{lang},
 295           "' preferences .po file from 'en' .pref files\n" if $self->{verbose};
 296     $self->get_po_merged_with_en();
 297     $self->save_po();
 298 }
 299
 300
 301 sub install_prefs {
 302     my $self = shift;
 303
 304     unless ( -r $self->{po_path_lang} ) {
 305         print "Koha directories hierarchy for ", $self->{lang}, " must be created first\n";
 306         exit;
 307     }
 308
 309     # Get the language .po file merged with last modified 'en' preferences
 310     $self->get_po_merged_with_en();
 311
 312     for my $file ( @{$self->{pref_files}} ) {
 313         my $pref = LoadFile( $self->{path_pref_en} . "/$file" );
 314         $self->{file} = $file;
 315         # First, keys are replaced (tab titles)
 316         $pref = do {
 317             my %pref = map {
 318                 $self->get_trans_text( $self->{file} ) || $_ => $pref->{$_}
 319             } keys %$pref;
 320             \%pref;
 321         };
 322         while ( my ($tab, $tab_content) = each %$pref ) {
 323             if ( ref($tab_content) eq 'ARRAY' ) {
 324                 $self->update_tab_prefs( $pref, $tab_content );
 325                 next;
 326             }
 327             while ( my ($section, $sysprefs) = each %$tab_content ) {
 328                 $self->update_tab_prefs( $pref, $sysprefs );
 329             }
 330             my $ntab = {};
 331             for my $section ( keys %$tab_content ) {
 332                 my $id = $self->{file} . " $section";
 333                 my $text = $self->get_trans_text($id);
 334                 my $nsection = $text ? $text : $section;
 335                 $ntab->{$nsection} = $tab_content->{$section};
 336             }
 337             $pref->{$tab} = $ntab;
 338         }
 339         my $file_trans = $self->{po_path_lang} . "/$file";
 340         print "Write $file\n" if $self->{verbose};
 341         open my $fh, ">", $file_trans;
 342         print $fh Dump($pref);
 343     }
 344 }
 345
 346
 347 sub install_tmpl {
 348     my ($self, $files) = @_;
 349     say "Install templates" if $self->{verbose};
 350     for my $trans ( @{$self->{interface}} ) {
 351         my @t_dirs = split(" ", $trans->{dir});
 352         for my $t_dir ( @t_dirs ) {
 353             my @files   = @$files;
 354             my @nomarc = ();
 355             print
 356                 "  Install templates '$trans->{name}'\n",
 357                 "    From: $t_dir/en/\n",
 358                 "    To  : $t_dir/$self->{lang}\n",
 359                 "    With: $self->{path_po}/$self->{lang}$trans->{suffix}\n"
 360                 if $self->{verbose};
 361
 362             my $trans_dir = ( $trans->{name} =~ /help/ )?"$t_dir":"$t_dir/en/";
 363             my $lang_dir  = ( $trans->{name} =~ /help/ )?"$t_dir":"$t_dir/$self->{lang}";
 364             $lang_dir =~ s|/en/|/$self->{lang}/|;
 365             mkdir $lang_dir unless -d $lang_dir;
 366             my $excludes = ( $trans->{name} !~ /help/   )?"":"-x 'help'";
 367             # if installing MARC po file, only touch corresponding files
 368             my $marc     = ( $trans->{name} =~ /MARC/ )?"-m \"$trans->{name}\"":"";            # for MARC translations
 369             # if not installing MARC po file, ignore all MARC files
 370             @nomarc      = ( 'marc21', 'unimarc', 'normarc' ) if ( $trans->{name} !~ /MARC/ ); # hardcoded MARC variants
 371
 372             system
 373                 "$self->{process} install " .
 374                 "-i $trans_dir " .
 375                 "-o $lang_dir  ".
 376                 "-s $self->{path_po}/$self->{lang}$trans->{suffix} -r " .
 377                 "$excludes " .
 378                 "$marc " .
 379                 ( @files   ? ' -f ' . join ' -f ', @files : '') .
 380                 ( @nomarc  ? ' -n ' . join ' -n ', @nomarc : '');
 381         }
 382     }
 383 }
 384
 385
 386 sub update_tmpl {
 387     my ($self, $files) = @_;
 388
 389     say "Update templates" if $self->{verbose};
 390     for my $trans ( @{$self->{interface}} ) {
 391         my @files   = @$files;
 392         my @nomarc = ();
 393         print
 394             "  Update templates '$trans->{name}'\n",
 395             "    From: $trans->{dir}/en/\n",
 396             "    To  : $self->{path_po}/$self->{lang}$trans->{suffix}\n"
 397                 if $self->{verbose};
 398
 399         my $trans_dir = ( $trans->{name} =~ /help/ )?"$trans->{dir}":join("/en/ -i ",split(" ",$trans->{dir}))."/en/"; # multiple source dirs
 400         # do no process 'help' dirs unless needed
 401         my $excludes  = ( $trans->{name} !~ /help/ )?"-x help":"";
 402         # if processing MARC po file, only use corresponding files
 403         my $marc      = ( $trans->{name} =~ /MARC/ )?"-m \"$trans->{name}\"":"";            # for MARC translations
 404         # if not processing MARC po file, ignore all MARC files
 405         @nomarc       = ( 'marc21', 'unimarc', 'normarc' ) if ( $trans->{name} !~ /MARC/ );      # hardcoded MARC variants
 406
 407         system
 408             "$self->{process} update " .
 409             "-i $trans_dir " .
 410             "-s $self->{path_po}/$self->{lang}$trans->{suffix} -r " .
 411             "$excludes " .
 412             "$marc "     .
 413             ( @files   ? ' -f ' . join ' -f ', @files : '') .
 414             ( @nomarc  ? ' -n ' . join ' -n ', @nomarc : '');
 415     }
 416 }
 417
 418
 419 sub create_prefs {
 420     my $self = shift;
 421
 422     if ( -e $self->po_filename ) {
 423         say "Preferences .po file already exists. Delete it if you want to recreate it.";
 424         return;
 425     }
 426     $self->get_po_from_prefs();
 427     $self->save_po();
 428 }
 429
 430
 431 sub create_tmpl {
 432     my ($self, $files) = @_;
 433
 434     say "Create templates\n" if $self->{verbose};
 435     for my $trans ( @{$self->{interface}} ) {
 436         my @files   = @$files;
 437         my @nomarc = ();
 438         print
 439             "  Create templates .po files for '$trans->{name}'\n",
 440             "    From: $trans->{dir}/en/\n",
 441             "    To  : $self->{path_po}/$self->{lang}$trans->{suffix}\n"
 442                 if $self->{verbose};
 443
 444         my $trans_dir = ( $trans->{name} =~ /help/ )?"$trans->{dir}":join("/en/ -i ",split(" ",$trans->{dir}))."/en/"; # multiple source dirs
 445         my $excludes  = ( $trans->{name} !~ /help/ )?"-x help":"";
 446         # if processing MARC po file, only use corresponding files
 447         my $marc      = ( $trans->{name} =~ /MARC/ )?"-m \"$trans->{name}\"":"";            # for MARC translations
 448         # if not processing MARC po file, ignore all MARC files
 449         @nomarc       = ( 'marc21', 'unimarc', 'normarc' ) if ( $trans->{name} !~ /MARC/ ); # hardcoded MARC variants
 450
 451         system
 452             "$self->{process} create " .
 453             "-i $trans_dir " .
 454             "-s $self->{path_po}/$self->{lang}$trans->{suffix} -r " .
 455             "$excludes " .
 456             "$marc " .
 457             ( @files  ? ' -f ' . join ' -f ', @files   : '') .
 458             ( @nomarc ? ' -n ' . join ' -n ', @nomarc : '');
 459     }
 460 }
 461
 462 sub create_messages {
 463     my $self = shift;
 464
 465     print "Create messages ($self->{lang})\n" if $self->{verbose};
 466     system
 467         "$self->{cp} $self->{domain}.pot " .
 468         "$self->{path_po}/$self->{lang}-$self->{domain}.po";
 469 }
 470
 471 sub update_messages {
 472     my $self = shift;
 473
 474     my $pofile = "$self->{path_po}/$self->{lang}-$self->{domain}.po";
 475     print "Update messages ($self->{lang})\n" if $self->{verbose};
 476     if ( not -f $pofile ) {
 477         print "File $pofile does not exist\n" if $self->{verbose};
 478         $self->create_messages();
 479     }
 480     system "$self->{msgmerge} -U $pofile $self->{domain}.pot";
 481 }
 482
 483 sub extract_messages {
 484     my $self = shift;
 485
 486     my $intranetdir = $self->{context}->config('intranetdir');
 487     my @files_to_scan;
 488     my @directories_to_scan = ('.');
 489     my @blacklist = qw(blib koha-tmpl skel tmp t);
 490     while (@directories_to_scan) {
 491         my $dir = shift @directories_to_scan;
 492         opendir DIR, "$intranetdir/$dir" or die "Unable to open $dir: $!";
 493         foreach my $entry (readdir DIR) {
 494             next if $entry =~ /^\./;
 495             my $relentry = "$dir/$entry";
 496             $relentry =~ s|^\./||;
 497             if (-d "$intranetdir/$relentry" and not grep /^$relentry$/, @blacklist) {
 498                 push @directories_to_scan, "$relentry";
 499             } elsif (-f "$intranetdir/$relentry" and $relentry =~ /(pl|pm)$/) {
 500                 push @files_to_scan, "$relentry";
 501             }
 502         }
 503     }
 504
 505     my $xgettext_cmd = "$self->{xgettext} -L Perl --from-code=UTF-8 " .
 506         "-o $Bin/$self->{domain}.pot -D $intranetdir";
 507     $xgettext_cmd .= " $_" foreach (@files_to_scan);
 508
 509     if (system($xgettext_cmd) != 0) {
 510         die "system call failed: $xgettext_cmd";
 511     }
 512
 513     if ( -f "$Bin/$self->{domain}.pot" ) {
 514         my $replace_charset_cmd = "$self->{sed} --in-place " .
 515             "$Bin/$self->{domain}.pot " .
 516             "--expression='s/charset=CHARSET/charset=UTF-8/'";
 517         if (system($replace_charset_cmd) != 0) {
 518             die "system call failed: $replace_charset_cmd";
 519         }
 520     } else {
 521         print "No messages found\n" if $self->{verbose};
 522         return;
 523     }
 524     return 1;
 525 }
 526
 527 sub remove_pot {
 528     my $self = shift;
 529
 530     unlink "$Bin/$self->{domain}.pot";
 531 }
 532
 533 sub install {
 534     my ($self, $files) = @_;
 535     return unless $self->{lang};
 536     $self->install_tmpl($files) unless $self->{pref_only};
 537     $self->install_prefs();
 538 }
 539
 540
 541 sub get_all_langs {
 542     my $self = shift;
 543     opendir( my $dh, $self->{path_po} );
 544     my @files = grep { $_ =~ /-pref.po$/ }
 545         readdir $dh;
 546     @files = map { $_ =~ s/-pref.po$//; $_ } @files;
 547 }
 548
 549
 550 sub update {
 551     my ($self, $files) = @_;
 552     my @langs = $self->{lang} ? ($self->{lang}) : $self->get_all_langs();
 553     my $extract_ok = $self->extract_messages();
 554     for my $lang ( @langs ) {
 555         $self->set_lang( $lang );
 556         $self->update_tmpl($files) unless $self->{pref_only};
 557         $self->update_prefs();
 558         $self->update_messages() if $extract_ok;
 559     }
 560     $self->remove_pot() if $extract_ok;
 561 }
 562
 563
 564 sub create {
 565     my ($self, $files) = @_;
 566     return unless $self->{lang};
 567     $self->create_tmpl($files) unless $self->{pref_only};
 568     $self->create_prefs();
 569     if ($self->extract_messages()) {
 570         $self->create_messages();
 571         $self->remove_pot();
 572     }
 573 }
 574
 575
 576
 577 1;
 578
 579
 580 =head1 NAME
 581
 582 LangInstaller.pm - Handle templates and preferences translation
 583
 584 =head1 SYNOPSYS
 585
 586   my $installer = LangInstaller->new( 'fr-FR' );
 587   $installer->create();
 588   $installer->update();
 589   $installer->install();
 590   for my $lang ( @{$installer->{langs} ) {
 591     $installer->set_lang( $lan );
 592     $installer->install();
 593   }
 594
 595 =head1 METHODS
 596
 597 =head2 new
 598
 599 Create a new instance of the installer object.
 600
 601 =head2 create
 602
 603 For the current language, create .po files for templates and preferences based
 604 of the english ('en') version.
 605
 606 =head2 update
 607
 608 For the current language, update .po files.
 609
 610 =head2 install
 611
 612 For the current langage C<$self->{lang}, use .po files to translate the english
 613 version of templates and preferences files and copy those files in the
 614 appropriate directory.
 615
 616 =over
 617
 618 =item translate create F<lang>
 619
 620 Create 4 kinds of .po files in F<po> subdirectory:
 621 (1) one from each theme on opac pages templates,
 622 (2) intranet templates and help,
 623 (3) preferences, and
 624 (4) one for each MARC dialect.
 625
 626
 627 =over
 628
 629 =item F<lang>-opac-{theme}.po
 630
 631 Contains extracted text from english (en) OPAC templates found in
 632 <KOHA_ROOT>/koha-tmpl/opac-tmpl/{theme}/en/ directory.
 633
 634 =item F<lang>-staff-prog.po and F<lang>-staff-help.po
 635
 636 Contains extracted text from english (en) intranet templates found in
 637 <KOHA_ROOT>/koha-tmpl/intranet-tmpl/prog/en/ directory.
 638
 639 =item F<lang>-pref.po
 640
 641 Contains extracted text from english (en) preferences. They are found in files
 642 located in <KOHA_ROOT>/koha-tmpl/intranet-tmpl/prog/en/admin/preferences
 643 directory.
 644
 645 =item F<lang>-marc-{MARC}.po
 646
 647 Contains extracted text from english (en) files from opac and intranet,
 648 related with MARC dialects.
 649
 650 =back
 651
 652 =item pref-trans update F<lang>
 653
 654 Update .po files in F<po> directory, named F<lang>-*.po.
 655
 656 =item pref-trans install F<lang>
 657
 658 =back
 659
 660 =cut
 661