1 |
dpavlin |
1 |
package IsisDB; |
2 |
|
|
use strict; |
3 |
|
|
|
4 |
|
|
use Carp; |
5 |
|
|
use Data::Dumper; |
6 |
|
|
|
7 |
|
|
BEGIN { |
8 |
|
|
use Exporter (); |
9 |
|
|
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); |
10 |
dpavlin |
12 |
$VERSION = 0.04; |
11 |
dpavlin |
1 |
@ISA = qw (Exporter); |
12 |
|
|
#Give a hoot don't pollute, do not export more than needed by default |
13 |
|
|
@EXPORT = qw (); |
14 |
|
|
@EXPORT_OK = qw (); |
15 |
|
|
%EXPORT_TAGS = (); |
16 |
|
|
|
17 |
|
|
} |
18 |
|
|
|
19 |
|
|
=head1 NAME |
20 |
|
|
|
21 |
|
|
IsisDB - Read CDS/ISIS database |
22 |
|
|
|
23 |
|
|
=head1 SYNOPSIS |
24 |
|
|
|
25 |
dpavlin |
11 |
use IsisDB; |
26 |
|
|
|
27 |
dpavlin |
1 |
my $isis = new IsisDB( |
28 |
|
|
isisdb => './cds/cds', |
29 |
|
|
); |
30 |
|
|
|
31 |
dpavlin |
11 |
for(my $mfn = 1; $mfn <= $isis->{'maxmfn'}; $mfn++) { |
32 |
|
|
print $isis->to_ascii($mfn),"\n"; |
33 |
|
|
} |
34 |
|
|
|
35 |
dpavlin |
1 |
=head1 DESCRIPTION |
36 |
|
|
|
37 |
|
|
This module will read CDS/ISIS databases and create hash values out of it. |
38 |
|
|
It can be used as perl-only alternative to OpenIsis module. |
39 |
|
|
|
40 |
dpavlin |
11 |
This will module will always be slower that OpenIsis module which use C |
41 |
|
|
library. However, since it's written in perl, it's platform independent (so |
42 |
|
|
you don't need C compiler), and can be easily modified. |
43 |
|
|
|
44 |
|
|
Unique feature of this module is ability to C<include_deleted> records. |
45 |
|
|
It will also skip zero sized fields (OpenIsis has a bug in XS bindings, so |
46 |
|
|
fields which are zero sized will be filled with random junk from memory). |
47 |
|
|
|
48 |
dpavlin |
1 |
=head1 METHODS |
49 |
|
|
|
50 |
|
|
=cut |
51 |
|
|
|
52 |
|
|
# my $ORDN; # Nodes Order |
53 |
|
|
# my $ORDF; # Leafs Order |
54 |
|
|
# my $N; # Number of Memory buffers for nodes |
55 |
|
|
# my $K; # Number of buffers for first level index |
56 |
|
|
# my $LIV; # Current number of Index Levels |
57 |
|
|
# my $POSRX; # Pointer to Root Record in N0x |
58 |
|
|
# my $NMAXPOS; # Next Available position in N0x |
59 |
|
|
# my $FMAXPOS; # Next available position in L0x |
60 |
|
|
# my $ABNORMAL; # Formal BTree normality indicator |
61 |
|
|
|
62 |
|
|
# |
63 |
|
|
# some binary reads |
64 |
|
|
# |
65 |
|
|
|
66 |
|
|
=head2 new |
67 |
|
|
|
68 |
|
|
Open CDS/ISIS database |
69 |
|
|
|
70 |
|
|
my $isis = new IsisDB( |
71 |
|
|
isisdb => './cds/cds', |
72 |
|
|
read_fdt => 1, |
73 |
dpavlin |
12 |
include_deleted => 1, |
74 |
|
|
hash_filter => sub { |
75 |
|
|
my $v = shift; |
76 |
|
|
$v =~ s#foo#bar#g; |
77 |
|
|
}, |
78 |
dpavlin |
1 |
debug => 1, |
79 |
|
|
); |
80 |
|
|
|
81 |
dpavlin |
2 |
Options are described below: |
82 |
|
|
|
83 |
|
|
=over 5 |
84 |
|
|
|
85 |
dpavlin |
1 |
=item isisdb |
86 |
|
|
|
87 |
|
|
Prefix path to CDS/ISIS. It should contain full or relative path to database |
88 |
|
|
and common prefix of C<.FDT>, C<.MST>, C<.CNT>, C<.XRF> and C<.MST> files. |
89 |
|
|
|
90 |
|
|
=item read_fdt |
91 |
|
|
|
92 |
|
|
Boolean flag to specify if field definition table should be read. It's off |
93 |
|
|
by default. |
94 |
|
|
|
95 |
dpavlin |
9 |
=item include_deleted |
96 |
|
|
|
97 |
dpavlin |
11 |
Don't skip logically deleted records in ISIS. |
98 |
dpavlin |
9 |
|
99 |
dpavlin |
12 |
=item hash_filter |
100 |
|
|
|
101 |
|
|
Filter code ref which will be used before data is converted to hash. |
102 |
|
|
|
103 |
|
|
=item debug |
104 |
|
|
|
105 |
|
|
Dump a B<lot> of debugging output. |
106 |
|
|
|
107 |
dpavlin |
2 |
=back |
108 |
|
|
|
109 |
|
|
It will also set C<$isis-E<gt>{'maxmfn'}> which is maximum MFN stored in database. |
110 |
|
|
|
111 |
dpavlin |
1 |
=cut |
112 |
|
|
|
113 |
|
|
sub new { |
114 |
|
|
my $class = shift; |
115 |
|
|
my $self = {}; |
116 |
|
|
bless($self, $class); |
117 |
|
|
|
118 |
dpavlin |
9 |
croak "new needs database name (isisdb) as argument!" unless ({@_}->{isisdb}); |
119 |
dpavlin |
1 |
|
120 |
dpavlin |
12 |
foreach my $v (qw{isisdb debug include_deleted hash_filter}) { |
121 |
dpavlin |
9 |
$self->{$v} = {@_}->{$v}; |
122 |
|
|
} |
123 |
dpavlin |
1 |
|
124 |
|
|
# if you want to read .FDT file use read_fdt argument when creating class! |
125 |
|
|
if ({@_}->{read_fdt} && -e $self->{isisdb}.".FDT") { |
126 |
|
|
|
127 |
|
|
# read the $db.FDT file for tags |
128 |
|
|
my $fieldzone=0; |
129 |
|
|
|
130 |
|
|
open(fileFDT, $self->{isisdb}.".FDT") || croak "can't read '$self->{isisdb}.FDT': $!"; |
131 |
|
|
|
132 |
|
|
while (<fileFDT>) { |
133 |
|
|
chomp; |
134 |
|
|
if ($fieldzone) { |
135 |
|
|
my $name=substr($_,0,30); |
136 |
|
|
my $tag=substr($_,50,3); |
137 |
|
|
|
138 |
|
|
$name =~ s/\s+$//; |
139 |
|
|
$tag =~ s/\s+$//; |
140 |
|
|
|
141 |
|
|
$self->{'TagName'}->{$tag}=$name; |
142 |
|
|
} |
143 |
|
|
|
144 |
|
|
if (/^\*\*\*/) { |
145 |
|
|
$fieldzone=1; |
146 |
|
|
} |
147 |
|
|
} |
148 |
|
|
|
149 |
|
|
close(fileFDT); |
150 |
|
|
} |
151 |
|
|
|
152 |
|
|
# Get the Maximum MFN from $db.MST |
153 |
|
|
|
154 |
|
|
open(fileMST,$self->{isisdb}.".MST") || croak "can't read '$self->{isisdb}.MST': $!"; |
155 |
|
|
|
156 |
|
|
# MST format: (* = 32 bit signed) |
157 |
|
|
# CTLMFN* always 0 |
158 |
|
|
# NXTMFN* MFN to be assigned to the next record created |
159 |
|
|
# NXTMFB* last block allocated to master file |
160 |
|
|
# NXTMFP offset to next available position in last block |
161 |
|
|
# MFTYPE always 0 for user db file (1 for system) |
162 |
|
|
seek(fileMST,4,0); |
163 |
|
|
|
164 |
dpavlin |
11 |
my $buff; |
165 |
|
|
|
166 |
|
|
read(fileMST, $buff, 4); |
167 |
|
|
$self->{'NXTMFN'}=unpack("l",$buff) || carp "NXTNFN is zero"; |
168 |
|
|
|
169 |
dpavlin |
2 |
# save maximum MFN |
170 |
|
|
$self->{'maxmfn'} = $self->{'NXTMFN'} - 1; |
171 |
|
|
|
172 |
dpavlin |
1 |
close(fileMST); |
173 |
|
|
|
174 |
|
|
# Get the index information from $db.CNT |
175 |
|
|
|
176 |
|
|
open(fileCNT, $self->{isisdb}.".CNT") || croak "can't read '$self->{isisdb}.CNT': $!"; |
177 |
|
|
|
178 |
|
|
# There is two 26 Bytes fixed lenght records |
179 |
|
|
|
180 |
|
|
# 0: IDTYPE BTree type 16 |
181 |
|
|
# 2: ORDN Nodes Order 16 |
182 |
|
|
# 4: ORDF Leafs Order 16 |
183 |
|
|
# 6: N Number of Memory buffers for nodes 16 |
184 |
|
|
# 8: K Number of buffers for first level index 16 |
185 |
|
|
# 10: LIV Current number of Index Levels 16 |
186 |
|
|
# 12: POSRX* Pointer to Root Record in N0x 32 |
187 |
|
|
# 16: NMAXPOS* Next Available position in N0x 32 |
188 |
|
|
# 20: FMAXPOS* Next available position in L0x 32 |
189 |
|
|
# 24: ABNORMAL Formal BTree normality indicator 16 |
190 |
|
|
# length: 26 bytes |
191 |
|
|
|
192 |
|
|
sub unpack_cnt { |
193 |
|
|
my $self = shift; |
194 |
|
|
|
195 |
|
|
my @flds = qw(ORDN ORDF N K LIV POSRX NMAXPOS FMAXPOS ABNORMAL); |
196 |
|
|
|
197 |
|
|
my $buff = shift || return; |
198 |
|
|
my @arr = unpack("ssssssllls", $buff); |
199 |
|
|
|
200 |
dpavlin |
9 |
print "unpack_cnt: ",join(" ",@arr),"\n" if ($self->{'debug'}); |
201 |
|
|
|
202 |
dpavlin |
1 |
my $IDTYPE = shift @arr; |
203 |
|
|
foreach (@flds) { |
204 |
|
|
$self->{$IDTYPE}->{$_} = abs(shift @arr); |
205 |
|
|
} |
206 |
|
|
} |
207 |
|
|
|
208 |
|
|
read(fileCNT, $buff, 26); |
209 |
|
|
$self->unpack_cnt($buff); |
210 |
|
|
|
211 |
|
|
read(fileCNT, $buff, 26); |
212 |
|
|
$self->unpack_cnt($buff); |
213 |
|
|
|
214 |
|
|
|
215 |
|
|
close(fileCNT); |
216 |
|
|
|
217 |
|
|
print Dumper($self) if ($self->{debug}); |
218 |
|
|
|
219 |
dpavlin |
7 |
# open files for later |
220 |
|
|
open($self->{'fileXRF'}, $self->{isisdb}.".XRF") || croak "can't open '$self->{isisdb}.XRF': $!"; |
221 |
|
|
|
222 |
|
|
open($self->{'fileMST'}, $self->{isisdb}.".MST") || croak "can't open '$self->{isisdb}.MST': $!"; |
223 |
|
|
|
224 |
dpavlin |
1 |
$self ? return $self : return undef; |
225 |
|
|
} |
226 |
|
|
|
227 |
dpavlin |
7 |
=head2 fetch |
228 |
dpavlin |
1 |
|
229 |
dpavlin |
2 |
Read record with selected MFN |
230 |
dpavlin |
1 |
|
231 |
dpavlin |
7 |
my $rec = $isis->fetch(55); |
232 |
dpavlin |
2 |
|
233 |
|
|
Returns hash with keys which are field names and values are unpacked values |
234 |
dpavlin |
12 |
for that field (like C<^asometing^bsomething else>) |
235 |
dpavlin |
2 |
|
236 |
|
|
=cut |
237 |
|
|
|
238 |
dpavlin |
7 |
sub fetch { |
239 |
dpavlin |
1 |
my $self = shift; |
240 |
|
|
|
241 |
dpavlin |
7 |
my $mfn = shift || croak "fetch needs MFN as argument!"; |
242 |
dpavlin |
1 |
|
243 |
dpavlin |
7 |
print "fetch: $mfn\n" if ($self->{debug}); |
244 |
dpavlin |
1 |
|
245 |
|
|
# XXX check this? |
246 |
|
|
my $mfnpos=($mfn+int(($mfn-1)/127))*4; |
247 |
|
|
|
248 |
|
|
print "seeking to $mfnpos in file '$self->{isisdb}.XRF'\n" if ($self->{debug}); |
249 |
dpavlin |
7 |
seek($self->{'fileXRF'},$mfnpos,0); |
250 |
dpavlin |
1 |
|
251 |
dpavlin |
11 |
my $buff; |
252 |
|
|
|
253 |
dpavlin |
1 |
# read XRFMFB abd XRFMFP |
254 |
dpavlin |
11 |
read($self->{'fileXRF'}, $buff, 4); |
255 |
|
|
my $pointer=unpack("l",$buff) || carp "pointer is null"; |
256 |
dpavlin |
1 |
|
257 |
|
|
my $XRFMFB = int($pointer/2048); |
258 |
|
|
my $XRFMFP = $pointer - ($XRFMFB*2048); |
259 |
|
|
|
260 |
|
|
print "XRFMFB: $XRFMFB XRFMFP: $XRFMFP\n" if ($self->{debug}); |
261 |
|
|
|
262 |
|
|
# XXX fix this to be more readable!! |
263 |
|
|
# e.g. (XRFMFB - 1) * 512 + XRFMFP |
264 |
|
|
|
265 |
|
|
my $offset = $pointer; |
266 |
|
|
my $offset2=int($offset/2048)-1; |
267 |
|
|
my $offset22=int($offset/4096); |
268 |
|
|
my $offset3=$offset-($offset22*4096); |
269 |
|
|
if ($offset3>512) { |
270 |
|
|
$offset3=$offset3-2048; |
271 |
|
|
} |
272 |
|
|
my $offset4=($offset2*512)+$offset3; |
273 |
|
|
|
274 |
|
|
print "$offset - $offset2 - $offset3 - $offset4\n" if ($self->{debug}); |
275 |
|
|
|
276 |
|
|
# Get Record Information |
277 |
|
|
|
278 |
dpavlin |
7 |
seek($self->{'fileMST'},$offset4,0); |
279 |
dpavlin |
1 |
|
280 |
dpavlin |
11 |
read($self->{'fileMST'}, $buff, 4); |
281 |
|
|
my $value=unpack("l",$buff); |
282 |
dpavlin |
1 |
|
283 |
|
|
if ($value!=$mfn) { |
284 |
|
|
print ("Error: The MFN:".$mfn." is not found in MST(".$value.")"); |
285 |
|
|
return -1; # XXX deleted record? |
286 |
|
|
} |
287 |
|
|
|
288 |
|
|
# $MFRL=$self->Read16($fileMST); |
289 |
|
|
# $MFBWB=$self->Read32($fileMST); |
290 |
|
|
# $MFBWP=$self->Read16($fileMST); |
291 |
|
|
# $BASE=$self->Read16($fileMST); |
292 |
|
|
# $NVF=$self->Read16($fileMST); |
293 |
|
|
# $STATUS=$self->Read16($fileMST); |
294 |
|
|
|
295 |
dpavlin |
7 |
read($self->{'fileMST'}, $buff, 14); |
296 |
dpavlin |
1 |
|
297 |
|
|
my ($MFRL,$MFBWB,$MFBWP,$BASE,$NVF,$STATUS) = unpack("slssss", $buff); |
298 |
|
|
|
299 |
|
|
print "MFRL: $MFRL MFBWB: $MFBWB MFBWP: $MFBWP BASE: $BASE NVF: $NVF STATUS: $STATUS\n" if ($self->{debug}); |
300 |
|
|
|
301 |
dpavlin |
9 |
# delete old record |
302 |
|
|
delete $self->{record}; |
303 |
|
|
|
304 |
|
|
if (! $self->{'include_deleted'} && $MFRL < 0) { |
305 |
|
|
print "## logically deleted record $mfn, skipping...\n" if ($self->{debug}); |
306 |
|
|
return; |
307 |
|
|
} |
308 |
|
|
|
309 |
dpavlin |
1 |
# Get Directory Format |
310 |
|
|
|
311 |
|
|
my @FieldPOS; |
312 |
|
|
my @FieldLEN; |
313 |
|
|
my @FieldTAG; |
314 |
|
|
|
315 |
dpavlin |
8 |
read($self->{'fileMST'}, $buff, 6 * $NVF); |
316 |
|
|
|
317 |
|
|
my $fld_len = 0; |
318 |
|
|
|
319 |
dpavlin |
1 |
for (my $i = 0 ; $i < $NVF ; $i++) { |
320 |
|
|
|
321 |
|
|
# $TAG=$self->Read16($fileMST); |
322 |
|
|
# $POS=$self->Read16($fileMST); |
323 |
|
|
# $LEN=$self->Read16($fileMST); |
324 |
|
|
|
325 |
dpavlin |
8 |
my ($TAG,$POS,$LEN) = unpack("sss", substr($buff,$i * 6, 6)); |
326 |
dpavlin |
1 |
|
327 |
|
|
print "TAG: $TAG POS: $POS LEN: $LEN\n" if ($self->{debug}); |
328 |
|
|
|
329 |
|
|
# The TAG does not exists in .FDT so we set it to 0. |
330 |
|
|
# |
331 |
|
|
# XXX This is removed from perl version; .FDT file is updated manually, so |
332 |
|
|
# you will often have fields in .MST file which aren't in .FDT. On the other |
333 |
|
|
# hand, IsisMarc doesn't use .FDT files at all! |
334 |
|
|
|
335 |
|
|
#if (! $self->{TagName}->{$TAG}) { |
336 |
|
|
# $TAG=0; |
337 |
|
|
#} |
338 |
|
|
|
339 |
|
|
push @FieldTAG,$TAG; |
340 |
|
|
push @FieldPOS,$POS; |
341 |
|
|
push @FieldLEN,$LEN; |
342 |
dpavlin |
8 |
|
343 |
|
|
$fld_len += $LEN; |
344 |
dpavlin |
1 |
} |
345 |
|
|
|
346 |
|
|
# Get Variable Fields |
347 |
|
|
|
348 |
dpavlin |
8 |
read($self->{'fileMST'},$buff,$fld_len); |
349 |
|
|
|
350 |
dpavlin |
1 |
for (my $i = 0 ; $i < $NVF ; $i++) { |
351 |
dpavlin |
10 |
# skip zero-sized fields |
352 |
|
|
next if ($FieldLEN[$i] == 0); |
353 |
|
|
|
354 |
dpavlin |
8 |
push @{$self->{record}->{$FieldTAG[$i]}}, substr($buff,$FieldPOS[$i],$FieldLEN[$i]); |
355 |
dpavlin |
1 |
} |
356 |
|
|
close(fileMST); |
357 |
|
|
|
358 |
|
|
print Dumper($self) if ($self->{debug}); |
359 |
|
|
|
360 |
dpavlin |
2 |
return $self->{'record'}; |
361 |
dpavlin |
1 |
} |
362 |
|
|
|
363 |
dpavlin |
2 |
=head2 to_ascii |
364 |
|
|
|
365 |
|
|
Dump ascii output of selected MFN |
366 |
|
|
|
367 |
|
|
print $isis->to_ascii(55); |
368 |
|
|
|
369 |
|
|
=cut |
370 |
|
|
|
371 |
|
|
sub to_ascii { |
372 |
|
|
my $self = shift; |
373 |
|
|
|
374 |
|
|
my $mfn = shift || croak "need MFN"; |
375 |
|
|
|
376 |
dpavlin |
7 |
my $rec = $self->fetch($mfn); |
377 |
dpavlin |
2 |
|
378 |
|
|
my $out = "0\t$mfn"; |
379 |
|
|
|
380 |
|
|
foreach my $f (sort keys %{$rec}) { |
381 |
|
|
$out .= "\n$f\t".join("\n$f\t",@{$self->{record}->{$f}}); |
382 |
|
|
} |
383 |
|
|
|
384 |
|
|
$out .= "\n"; |
385 |
|
|
|
386 |
|
|
return $out; |
387 |
|
|
} |
388 |
|
|
|
389 |
dpavlin |
12 |
=head2 to_hash |
390 |
|
|
|
391 |
|
|
Read mfn and convert it to hash |
392 |
|
|
|
393 |
|
|
my $hash = $isis->to_hash($mfn); |
394 |
|
|
|
395 |
|
|
It has ability to convert characters (using C<hash_filter> from ISIS |
396 |
|
|
database before creating structures enabling character remapping or quick |
397 |
|
|
fixup of data. |
398 |
|
|
|
399 |
|
|
This function returns hash which is like this: |
400 |
|
|
|
401 |
|
|
$hash = { |
402 |
|
|
'210' => [ |
403 |
|
|
{ |
404 |
|
|
'c' => 'New York University press', |
405 |
|
|
'a' => 'New York', |
406 |
|
|
'd' => 'cop. 1988' |
407 |
|
|
} |
408 |
|
|
], |
409 |
|
|
'990' => [ |
410 |
|
|
'2140', |
411 |
|
|
'88', |
412 |
|
|
'HAY' |
413 |
|
|
], |
414 |
|
|
}; |
415 |
|
|
|
416 |
|
|
You can later use that has to produce any output from ISIS data. |
417 |
|
|
|
418 |
|
|
=cut |
419 |
|
|
|
420 |
|
|
sub to_hash { |
421 |
|
|
my $self = shift; |
422 |
|
|
|
423 |
|
|
my $mfn = shift || confess "need mfn!"; |
424 |
|
|
|
425 |
|
|
my $rec; |
426 |
|
|
my $row = $self->fetch($mfn); |
427 |
|
|
|
428 |
|
|
foreach my $k (keys %{$row}) { |
429 |
|
|
foreach my $l (@{$row->{$k}}) { |
430 |
|
|
|
431 |
|
|
# filter output |
432 |
|
|
$l = $self->{'hash_filter'}->($l) if ($self->{'hash_filter'}); |
433 |
|
|
|
434 |
|
|
# has subfields? |
435 |
|
|
my $val; |
436 |
|
|
if ($l =~ m/\^/) { |
437 |
|
|
foreach my $t (split(/\^/,$l)) { |
438 |
|
|
next if (! $t); |
439 |
|
|
$val->{substr($t,0,1)} = substr($t,1); |
440 |
|
|
} |
441 |
|
|
} else { |
442 |
|
|
$val = $l; |
443 |
|
|
} |
444 |
|
|
|
445 |
|
|
push @{$rec->{$k}}, $val; |
446 |
|
|
} |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
return $rec; |
450 |
|
|
} |
451 |
|
|
|
452 |
dpavlin |
1 |
# |
453 |
|
|
# XXX porting from php left-over: |
454 |
|
|
# |
455 |
|
|
# do I *REALLY* need those methods, or should I use |
456 |
|
|
# $self->{something} directly? |
457 |
|
|
# |
458 |
|
|
# Probably direct usage is better! |
459 |
|
|
# |
460 |
|
|
|
461 |
dpavlin |
7 |
sub TagName { |
462 |
dpavlin |
1 |
my $self = shift; |
463 |
|
|
return $self->{TagName}; |
464 |
|
|
} |
465 |
|
|
|
466 |
dpavlin |
7 |
sub NextMFN { |
467 |
dpavlin |
1 |
my $self = shift; |
468 |
|
|
return $self->{NXTMFN}; |
469 |
|
|
} |
470 |
|
|
|
471 |
|
|
1; |
472 |
|
|
|
473 |
|
|
=head1 BUGS |
474 |
|
|
|
475 |
|
|
This module has been very lightly tested. Use with caution and report bugs. |
476 |
|
|
|
477 |
|
|
=head1 AUTHOR |
478 |
|
|
|
479 |
|
|
Dobrica Pavlinusic |
480 |
|
|
CPAN ID: DPAVLIN |
481 |
|
|
dpavlin@rot13.org |
482 |
|
|
http://www.rot13.org/~dpavlin/ |
483 |
|
|
|
484 |
|
|
This module is based heavily on code from LIBISIS.PHP - Library to read ISIS files V0.1.1 |
485 |
|
|
written in php and (c) 2000 Franck Martin - <franck@sopac.org> released under LGPL. |
486 |
|
|
|
487 |
|
|
=head1 COPYRIGHT |
488 |
|
|
|
489 |
|
|
This program is free software; you can redistribute |
490 |
|
|
it and/or modify it under the same terms as Perl itself. |
491 |
|
|
|
492 |
|
|
The full text of the license can be found in the |
493 |
|
|
LICENSE file included with this module. |
494 |
|
|
|
495 |
|
|
|
496 |
|
|
=head1 SEE ALSO |
497 |
|
|
|
498 |
|
|
L<http://www.openisis.org|OpenIsis>, perl(1). |
499 |
|
|
|