/[Biblio-Isis]/trunk/IsisDB.pm
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revision 12 by dpavlin, Wed Dec 29 20:10:11 2004 UTC revision 27 by dpavlin, Sat Jan 1 22:29:35 2005 UTC
# Line 2  package IsisDB; Line 2  package IsisDB;
2  use strict;  use strict;
3    
4  use Carp;  use Carp;
5    use File::Glob qw(:globally :nocase);
6    
7  use Data::Dumper;  use Data::Dumper;
8    
9  BEGIN {  BEGIN {
10          use Exporter ();          use Exporter ();
11          use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);          use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
12          $VERSION     = 0.04;          $VERSION     = 0.08;
13          @ISA         = qw (Exporter);          @ISA         = qw (Exporter);
14          #Give a hoot don't pollute, do not export more than needed by default          #Give a hoot don't pollute, do not export more than needed by default
15          @EXPORT      = qw ();          @EXPORT      = qw ();
# Line 18  BEGIN { Line 20  BEGIN {
20    
21  =head1 NAME  =head1 NAME
22    
23  IsisDB - Read CDS/ISIS database  IsisDB - Read CDS/ISIS, WinISIS and IsisMarc database
24    
25  =head1 SYNOPSIS  =head1 SYNOPSIS
26    
# Line 34  IsisDB - Read CDS/ISIS database Line 36  IsisDB - Read CDS/ISIS database
36    
37  =head1 DESCRIPTION  =head1 DESCRIPTION
38    
39  This module will read CDS/ISIS databases and create hash values out of it.  This module will read ISIS databases created by DOS CDS/ISIS, WinIsis or
40  It can be used as perl-only alternative to OpenIsis module.  IsisMarc. It can be used as perl-only alternative to OpenIsis module which
41    seems to depriciate it's old C<XS> bindings for perl.
42  This will module will always be slower that OpenIsis module which use C  
43  library. However, since it's written in perl, it's platform independent (so  It can create hash values from data in ISIS database (using C<to_hash>),
44  you don't need C compiler), and can be easily modified.  ASCII dump (using C<to_ascii>) or just hash with field names and packed
45    values (like C<^asomething^belse>).
46    
47  Unique feature of this module is ability to C<include_deleted> records.  Unique feature of this module is ability to C<include_deleted> records.
48  It will also skip zero sized fields (OpenIsis has a bug in XS bindings, so  It will also skip zero sized fields (OpenIsis has a bug in XS bindings, so
49  fields which are zero sized will be filled with random junk from memory).  fields which are zero sized will be filled with random junk from memory).
50    
51    It also has support for identifiers (only if ISIS database is created by
52    IsisMarc), see C<to_hash>.
53    
54    This module will always be slower than OpenIsis module which use C
55    library. However, since it's written in perl, it's platform independent (so
56    you don't need C compiler), and can be easily modified. I hope that it
57    creates data structures which are easier to use than ones created by
58    OpenIsis, so reduced time in other parts of the code should compensate for
59    slower performance of this module (speed of reading ISIS database is
60    rarely an issue).
61    
62  =head1 METHODS  =head1 METHODS
63    
64  =cut  =cut
# Line 65  fields which are zero sized will be fill Line 79  fields which are zero sized will be fill
79    
80  =head2 new  =head2 new
81    
82  Open CDS/ISIS database  Open ISIS database
83    
84   my $isis = new IsisDB(   my $isis = new IsisDB(
85          isisdb => './cds/cds',          isisdb => './cds/cds',
# Line 84  Options are described below: Line 98  Options are described below:
98    
99  =item isisdb  =item isisdb
100    
101  Prefix path to CDS/ISIS. It should contain full or relative path to database  This is full or relative path to ISIS database files which include
102  and common prefix of C<.FDT>, C<.MST>, C<.CNT>, C<.XRF> and C<.MST> files.  common prefix of C<.MST>, and C<.XRF> and optionally C<.FDT> (if using
103    C<read_fdt> option) files.
104    
105    In this example it uses C<./cds/cds.MST> and related files.
106    
107  =item read_fdt  =item read_fdt
108    
# Line 121  sub new { Line 138  sub new {
138                  $self->{$v} = {@_}->{$v};                  $self->{$v} = {@_}->{$v};
139          }          }
140    
141            my @isis_files = grep(/\.(FDT|MST|XRF|CNT)$/i,glob($self->{isisdb}."*"));
142    
143            foreach my $f (@isis_files) {
144                    my $ext = $1 if ($f =~ m/\.(\w\w\w)$/);
145                    $self->{lc($ext)."_file"} = $f;
146            }
147    
148            my @must_exist = qw(mst xrf);
149            push @must_exist, "fdt" if ($self->{read_fdt});
150    
151            foreach my $ext (@must_exist) {
152                    croak "missing ",uc($ext)," file in ",$self->{isisdb} unless ($self->{$ext."_file"});
153            }
154    
155            print STDERR "## using files: ",join(" ",@isis_files),"\n" if ($self->{debug});
156    
157          # if you want to read .FDT file use read_fdt argument when creating class!          # if you want to read .FDT file use read_fdt argument when creating class!
158          if ({@_}->{read_fdt} && -e $self->{isisdb}.".FDT") {          if ($self->{read_fdt} && -e $self->{fdt_file}) {
159    
160                  # read the $db.FDT file for tags                  # read the $db.FDT file for tags
161                  my $fieldzone=0;                  my $fieldzone=0;
162    
163                  open(fileFDT, $self->{isisdb}.".FDT") || croak "can't read '$self->{isisdb}.FDT': $!";                  open(fileFDT, $self->{fdt_file}) || croak "can't read '$self->{fdt_file}': $!";
164    
165                  while (<fileFDT>) {                  while (<fileFDT>) {
166                          chomp;                          chomp;
# Line 151  sub new { Line 184  sub new {
184    
185          # Get the Maximum MFN from $db.MST          # Get the Maximum MFN from $db.MST
186    
187          open(fileMST,$self->{isisdb}.".MST") || croak "can't read '$self->{isisdb}.MST': $!";          open($self->{'fileMST'}, $self->{mst_file}) || croak "can't open '$self->{mst_file}': $!";
188    
189          # MST format:   (* = 32 bit signed)          # MST format:   (* = 32 bit signed)
190          # CTLMFN*       always 0          # CTLMFN*       always 0
# Line 159  sub new { Line 192  sub new {
192          # NXTMFB*       last block allocated to master file          # NXTMFB*       last block allocated to master file
193          # NXTMFP        offset to next available position in last block          # NXTMFP        offset to next available position in last block
194          # MFTYPE        always 0 for user db file (1 for system)          # MFTYPE        always 0 for user db file (1 for system)
195          seek(fileMST,4,0);          seek($self->{'fileMST'},4,0);
196    
197          my $buff;          my $buff;
198    
199          read(fileMST, $buff, 4);          read($self->{'fileMST'}, $buff, 4);
200          $self->{'NXTMFN'}=unpack("l",$buff) || carp "NXTNFN is zero";          $self->{'NXTMFN'}=unpack("l",$buff) || carp "NXTNFN is zero";
201    
202          # save maximum MFN          # save maximum MFN
203          $self->{'maxmfn'} = $self->{'NXTMFN'} - 1;          $self->{'maxmfn'} = $self->{'NXTMFN'} - 1;
204    
205          close(fileMST);  
206    
207    
208            print STDERR Dumper($self),"\n" if ($self->{debug});
209    
210            # open files for later
211            open($self->{'fileXRF'}, $self->{xrf_file}) || croak "can't open '$self->{xrf_file}': $!";
212    
213            $self ? return $self : return undef;
214    }
215    
216    =head2 read_cnt
217    
218    Read content of C<.CNT> file and return hash containing it.
219    
220      print Dumper($isis->read_cnt);
221    
222    This function is not used by module (C<.CNT> files are not required for this
223    module to work), but it can be useful to examine your index (while debugging
224    for example).
225    
226    =cut
227    
228    sub read_cnt  {
229            my $self = shift;
230    
231            croak "missing CNT file in ",$self->{isisdb} unless ($self->{cnt_file});
232    
233          # Get the index information from $db.CNT          # Get the index information from $db.CNT
234        
235          open(fileCNT, $self->{isisdb}.".CNT") || croak "can't read '$self->{isisdb}.CNT': $!";          open(fileCNT, $self->{cnt_file}) || croak "can't read '$self->{cnt_file}': $!";
236    
237          # There is two 26 Bytes fixed lenght records          # There is two 26 Bytes fixed lenght records
238    
# Line 197  sub new { Line 256  sub new {
256                  my $buff = shift || return;                  my $buff = shift || return;
257                  my @arr = unpack("ssssssllls", $buff);                  my @arr = unpack("ssssssllls", $buff);
258    
259                  print "unpack_cnt: ",join(" ",@arr),"\n" if ($self->{'debug'});                  print STDERR "unpack_cnt: ",join(" ",@arr),"\n" if ($self->{'debug'});
260    
261                  my $IDTYPE = shift @arr;                  my $IDTYPE = shift @arr;
262                  foreach (@flds) {                  foreach (@flds) {
263                          $self->{$IDTYPE}->{$_} = abs(shift @arr);                          $self->{cnt}->{$IDTYPE}->{$_} = abs(shift @arr);
264                  }                  }
265          }          }
266    
267            my $buff;
268    
269          read(fileCNT, $buff, 26);          read(fileCNT, $buff, 26);
270          $self->unpack_cnt($buff);          $self->unpack_cnt($buff);
271    
272          read(fileCNT, $buff, 26);          read(fileCNT, $buff, 26);
273          $self->unpack_cnt($buff);          $self->unpack_cnt($buff);
274    
   
275          close(fileCNT);          close(fileCNT);
276    
277          print Dumper($self) if ($self->{debug});          return $self->{cnt};
   
         # open files for later  
         open($self->{'fileXRF'}, $self->{isisdb}.".XRF") || croak "can't open '$self->{isisdb}.XRF': $!";  
   
         open($self->{'fileMST'}, $self->{isisdb}.".MST") || croak "can't open '$self->{isisdb}.MST': $!";  
   
         $self ? return $self : return undef;  
278  }  }
279    
280  =head2 fetch  =head2 fetch
# Line 231  Read record with selected MFN Line 284  Read record with selected MFN
284    my $rec = $isis->fetch(55);    my $rec = $isis->fetch(55);
285    
286  Returns hash with keys which are field names and values are unpacked values  Returns hash with keys which are field names and values are unpacked values
287  for that field (like C<^asometing^bsomething else>)  for that field like this:
288    
289      $rec = {
290        '210' => [ '^aNew York^cNew York University press^dcop. 1988' ],
291        '990' => [ '2140', '88', 'HAY' ],
292      };
293    
294  =cut  =cut
295    
# Line 240  sub fetch { Line 298  sub fetch {
298    
299          my $mfn = shift || croak "fetch needs MFN as argument!";          my $mfn = shift || croak "fetch needs MFN as argument!";
300    
301          print "fetch: $mfn\n" if ($self->{debug});          # is mfn allready in memory?
302            my $old_mfn = $self->{'current_mfn'} || -1;
303            return $self->{record} if ($mfn == $old_mfn);
304    
305            print STDERR "## fetch: $mfn\n" if ($self->{debug});
306    
307          # XXX check this?          # XXX check this?
308          my $mfnpos=($mfn+int(($mfn-1)/127))*4;          my $mfnpos=($mfn+int(($mfn-1)/127))*4;
309    
310          print "seeking to $mfnpos in file '$self->{isisdb}.XRF'\n" if ($self->{debug});          print STDERR "## seeking to $mfnpos in file '$self->{xrf_file}'\n" if ($self->{debug});
311          seek($self->{'fileXRF'},$mfnpos,0);          seek($self->{'fileXRF'},$mfnpos,0);
312    
313          my $buff;          my $buff;
314    
315            # delete old record
316            delete $self->{record};
317    
318          # read XRFMFB abd XRFMFP          # read XRFMFB abd XRFMFP
319          read($self->{'fileXRF'}, $buff, 4);          read($self->{'fileXRF'}, $buff, 4);
320          my $pointer=unpack("l",$buff) || carp "pointer is null";          my $pointer=unpack("l",$buff) || carp "pointer is null";
321    
322            # check for logically deleted record
323            if ($pointer < 0) {
324                    print STDERR "## record $mfn is logically deleted\n" if ($self->{debug});
325                    $self->{deleted} = $mfn;
326    
327                    return unless $self->{include_deleted};
328    
329                    $pointer = abs($pointer);
330            }
331    
332          my $XRFMFB = int($pointer/2048);          my $XRFMFB = int($pointer/2048);
333          my $XRFMFP = $pointer - ($XRFMFB*2048);          my $XRFMFP = $pointer - ($XRFMFB*2048);
334    
335          print "XRFMFB: $XRFMFB XRFMFP: $XRFMFP\n" if ($self->{debug});          # (XRFMFB - 1) * 512 + XRFMFP
336            # why do i have to do XRFMFP % 1024 ?
         # XXX fix this to be more readable!!  
         # e.g. (XRFMFB - 1) * 512 + XRFMFP  
337    
338          my $offset = $pointer;          my $blk_off = (($XRFMFB - 1) * 512) + ($XRFMFP % 512);
         my $offset2=int($offset/2048)-1;  
         my $offset22=int($offset/4096);  
         my $offset3=$offset-($offset22*4096);  
         if ($offset3>512) {  
                 $offset3=$offset3-2048;  
         }  
         my $offset4=($offset2*512)+$offset3;  
339    
340          print "$offset - $offset2 - $offset3 - $offset4\n" if ($self->{debug});          print STDERR "## pointer: $pointer XRFMFB: $XRFMFB XRFMFP: $XRFMFP offset: $blk_off\n" if ($self->{'debug'});
341    
342          # Get Record Information          # Get Record Information
343    
344          seek($self->{'fileMST'},$offset4,0);          seek($self->{'fileMST'},$blk_off,0);
345    
346          read($self->{'fileMST'}, $buff, 4);          read($self->{'fileMST'}, $buff, 4);
347          my $value=unpack("l",$buff);          my $value=unpack("l",$buff);
348    
349            print STDERR "## offset for rowid $value is $blk_off (blk $XRFMFB off $XRFMFP)\n" if ($self->{debug});
350    
351          if ($value!=$mfn) {          if ($value!=$mfn) {
352  print ("Error: The MFN:".$mfn." is not found in MST(".$value.")");                      if ($value == 0) {
353                  return -1;      # XXX deleted record?                          print STDERR "## record $mfn is physically deleted\n" if ($self->{debug});
354          }                          $self->{deleted} = $mfn;
355                            return;
356                    }
357    
358  #       $MFRL=$self->Read16($fileMST);                  carp "Error: MFN ".$mfn." not found in MST file, found $value";    
359  #       $MFBWB=$self->Read32($fileMST);                  return;
360  #       $MFBWP=$self->Read16($fileMST);          }
 #       $BASE=$self->Read16($fileMST);  
 #       $NVF=$self->Read16($fileMST);  
 #       $STATUS=$self->Read16($fileMST);  
361    
362          read($self->{'fileMST'}, $buff, 14);          read($self->{'fileMST'}, $buff, 14);
363    
364          my ($MFRL,$MFBWB,$MFBWP,$BASE,$NVF,$STATUS) = unpack("slssss", $buff);          my ($MFRL,$MFBWB,$MFBWP,$BASE,$NVF,$STATUS) = unpack("slssss", $buff);
365    
366          print "MFRL: $MFRL MFBWB: $MFBWB MFBWP: $MFBWP BASE: $BASE NVF: $NVF STATUS: $STATUS\n" if ($self->{debug});          print STDERR "## MFRL: $MFRL MFBWB: $MFBWB MFBWP: $MFBWP BASE: $BASE NVF: $NVF STATUS: $STATUS\n" if ($self->{debug});
367    
368          # delete old record          warn "MFRL $MFRL is not even number" unless ($MFRL % 2 == 0);
         delete $self->{record};  
369    
370          if (! $self->{'include_deleted'} && $MFRL < 0) {          warn "BASE is not 18+6*NVF" unless ($BASE == 18 + 6 * $NVF);
                 print "## logically deleted record $mfn, skipping...\n" if ($self->{debug});  
                 return;  
         }  
371    
372          # Get Directory Format          # Get Directory Format
373    
# Line 314  print ("Error: The MFN:".$mfn." is not f Line 377  print ("Error: The MFN:".$mfn." is not f
377    
378          read($self->{'fileMST'}, $buff, 6 * $NVF);          read($self->{'fileMST'}, $buff, 6 * $NVF);
379    
380          my $fld_len = 0;          my $rec_len = 0;
381    
382          for (my $i = 0 ; $i < $NVF ; $i++) {          for (my $i = 0 ; $i < $NVF ; $i++) {
383    
 #               $TAG=$self->Read16($fileMST);  
 #               $POS=$self->Read16($fileMST);  
 #               $LEN=$self->Read16($fileMST);  
   
384                  my ($TAG,$POS,$LEN) = unpack("sss", substr($buff,$i * 6, 6));                  my ($TAG,$POS,$LEN) = unpack("sss", substr($buff,$i * 6, 6));
385    
386                  print "TAG: $TAG POS: $POS LEN: $LEN\n" if ($self->{debug});                  print STDERR "## TAG: $TAG POS: $POS LEN: $LEN\n" if ($self->{debug});
387    
388                  # The TAG does not exists in .FDT so we set it to 0.                  # The TAG does not exists in .FDT so we set it to 0.
389                  #                  #
# Line 340  print ("Error: The MFN:".$mfn." is not f Line 399  print ("Error: The MFN:".$mfn." is not f
399                  push @FieldPOS,$POS;                  push @FieldPOS,$POS;
400                  push @FieldLEN,$LEN;                  push @FieldLEN,$LEN;
401    
402                  $fld_len += $LEN;                  $rec_len += $LEN;
403          }          }
404    
405          # Get Variable Fields          # Get Variable Fields
406    
407          read($self->{'fileMST'},$buff,$fld_len);          read($self->{'fileMST'},$buff,$rec_len);
408    
409            print STDERR "## rec_len: $rec_len poc: ",tell($self->{'fileMST'})."\n" if ($self->{debug});
410    
411          for (my $i = 0 ; $i < $NVF ; $i++) {          for (my $i = 0 ; $i < $NVF ; $i++) {
412                  # skip zero-sized fields                  # skip zero-sized fields
# Line 353  print ("Error: The MFN:".$mfn." is not f Line 414  print ("Error: The MFN:".$mfn." is not f
414    
415                  push @{$self->{record}->{$FieldTAG[$i]}}, substr($buff,$FieldPOS[$i],$FieldLEN[$i]);                  push @{$self->{record}->{$FieldTAG[$i]}}, substr($buff,$FieldPOS[$i],$FieldLEN[$i]);
416          }          }
         close(fileMST);  
417    
418          print Dumper($self) if ($self->{debug});          $self->{'current_mfn'} = $mfn;
419    
420            print STDERR Dumper($self),"\n" if ($self->{debug});
421    
422          return $self->{'record'};          return $self->{'record'};
423  }  }
424    
425  =head2 to_ascii  =head2 to_ascii
426    
427  Dump ascii output of selected MFN  Returns ASCII output of record with specified MFN
428    
429    print $isis->to_ascii(55);    print $isis->to_ascii(42);
430    
431    This outputs something like this:
432    
433      210   ^aNew York^cNew York University press^dcop. 1988
434      990   2140
435      990   88
436      990   HAY
437    
438    If C<read_fdt> is specified when calling C<new> it will display field names
439    from C<.FDT> file instead of numeric tags.
440    
441  =cut  =cut
442    
# Line 378  sub to_ascii { Line 450  sub to_ascii {
450          my $out = "0\t$mfn";          my $out = "0\t$mfn";
451    
452          foreach my $f (sort keys %{$rec}) {          foreach my $f (sort keys %{$rec}) {
453                  $out .= "\n$f\t".join("\n$f\t",@{$self->{record}->{$f}});                  my $fn = $self->tag_name($f);
454                    $out .= "\n$fn\t".join("\n$fn\t",@{$self->{record}->{$f}});
455          }          }
456    
457          $out .= "\n";          $out .= "\n";
# Line 388  sub to_ascii { Line 461  sub to_ascii {
461    
462  =head2 to_hash  =head2 to_hash
463    
464  Read mfn and convert it to hash  Read record with specified MFN and convert it to hash
465    
466    my $hash = $isis->to_hash($mfn);    my $hash = $isis->to_hash($mfn);
467    
468  It has ability to convert characters (using C<hash_filter> from ISIS  It has ability to convert characters (using C<hash_filter>) from ISIS
469  database before creating structures enabling character remapping or quick  database before creating structures enabling character re-mapping or quick
470  fixup of data.  fix-up of data.
471    
472  This function returns hash which is like this:  This function returns hash which is like this:
473    
# Line 413  This function returns hash which is like Line 486  This function returns hash which is like
486               ],               ],
487    };    };
488    
489  You can later use that has to produce any output from ISIS data.  You can later use that hash to produce any output from ISIS data.
490    
491    If database is created using IsisMarc, it will also have to special fields
492    which will be used for identifiers, C<i1> and C<i2> like this:
493    
494      '200' => [
495                 {
496                   'i1' => '1',
497                   'i2' => ' '
498                   'a' => 'Goa',
499                   'f' => 'Valdo D\'Arienzo',
500                   'e' => 'tipografie e tipografi nel XVI secolo',
501                 }
502               ],
503    
504    This method will also create additional field C<000> with MFN.
505    
506  =cut  =cut
507    
# Line 422  sub to_hash { Line 510  sub to_hash {
510    
511          my $mfn = shift || confess "need mfn!";          my $mfn = shift || confess "need mfn!";
512    
513          my $rec;          # init record to include MFN as field 000
514            my $rec = { '000' => [ $mfn ] };
515    
516          my $row = $self->fetch($mfn);          my $row = $self->fetch($mfn);
517    
518          foreach my $k (keys %{$row}) {          foreach my $k (keys %{$row}) {
# Line 431  sub to_hash { Line 521  sub to_hash {
521                          # filter output                          # filter output
522                          $l = $self->{'hash_filter'}->($l) if ($self->{'hash_filter'});                          $l = $self->{'hash_filter'}->($l) if ($self->{'hash_filter'});
523    
                         # has subfields?  
524                          my $val;                          my $val;
525    
526                            # has identifiers?
527                            ($val->{'i1'},$val->{'i2'}) = ($1,$2) if ($l =~ s/^([01 #])([01 #])\^/\^/);
528    
529                            # has subfields?
530                          if ($l =~ m/\^/) {                          if ($l =~ m/\^/) {
531                                  foreach my $t (split(/\^/,$l)) {                                  foreach my $t (split(/\^/,$l)) {
532                                          next if (! $t);                                          next if (! $t);
# Line 449  sub to_hash { Line 543  sub to_hash {
543          return $rec;          return $rec;
544  }  }
545    
546  #  =head2 tag_name
 # XXX porting from php left-over:  
 #  
 # do I *REALLY* need those methods, or should I use  
 # $self->{something} directly?  
 #  
 # Probably direct usage is better!  
 #  
547    
548  sub TagName {  Return name of selected tag
549          my $self = shift;  
550          return $self->{TagName};   print $isis->tag_name('200');
 }  
551    
552  sub NextMFN {  =cut
553    
554    sub tag_name {
555          my $self = shift;          my $self = shift;
556          return $self->{NXTMFN};          my $tag = shift || return;
557            return $self->{'TagName'}->{$tag} || $tag;
558  }  }
559    
560  1;  1;
561    
562  =head1 BUGS  =head1 BUGS
563    
564  This module has been very lightly tested. Use with caution and report bugs.  Some parts of CDS/ISIS documentation are not detailed enough to exmplain
565    some variations in input databases which has been tested with this module.
566    When I was in doubt, I assumed that OpenIsis's implementation was right
567    (except for obvious bugs).
568    
569    However, every effort has been made to test this module with as much
570    databases (and programs that create them) as possible.
571    
572    I would be very greatful for success or failure reports about usage of this
573    module with databases from programs other than WinIsis and IsisMarc. I had
574    tested this against ouput of one C<isis.dll>-based application, but I don't
575    know any details about it's version.
576    
577  =head1 AUTHOR  =head1 AUTHOR
578    
# Line 481  This module has been very lightly tested Line 581  This module has been very lightly tested
581          dpavlin@rot13.org          dpavlin@rot13.org
582          http://www.rot13.org/~dpavlin/          http://www.rot13.org/~dpavlin/
583    
584  This module is based heavily on code from LIBISIS.PHP - Library to read ISIS files V0.1.1  This module is based heavily on code from C<LIBISIS.PHP> library to read ISIS files V0.1.1
585  written in php and (c) 2000 Franck Martin - <franck@sopac.org> released under LGPL.  written in php and (c) 2000 Franck Martin <franck@sopac.org> and released under LGPL.
586    
587  =head1 COPYRIGHT  =head1 COPYRIGHT
588    
# Line 495  LICENSE file included with this module. Line 595  LICENSE file included with this module.
595    
596  =head1 SEE ALSO  =head1 SEE ALSO
597    
598  L<http://www.openisis.org|OpenIsis>, perl(1).  OpenIsis web site L<http://www.openisis.org>
599    
600    perl4lib site L<http://perl4lib.perl.org>
601    
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