1 | #!/usr/bin/perl -w
|
---|
2 |
|
---|
3 | use strict;
|
---|
4 | no strict 'refs'; # allow filehandles to be variables and viceversa
|
---|
5 |
|
---|
6 | use warnings;
|
---|
7 |
|
---|
8 | use Encode;
|
---|
9 | use JSON;
|
---|
10 |
|
---|
11 | # use LWP;
|
---|
12 |
|
---|
13 | use OAuth::Lite::Consumer;
|
---|
14 | use OAuth::Lite::AuthMethod;
|
---|
15 |
|
---|
16 | use URI::Escape;
|
---|
17 |
|
---|
18 | sub _data_api
|
---|
19 | {
|
---|
20 | my ($mode,$htid,$opt_seq,$opt_params) = @_;
|
---|
21 |
|
---|
22 | my $access_key = '7e6ee38bae';
|
---|
23 | my $secret_key = 'e0429c0394385486249b4a230702';
|
---|
24 |
|
---|
25 | my $request_url = "http://babel.hathitrust.org/cgi/htd/$mode/$htid";
|
---|
26 |
|
---|
27 | $request_url .= "/$opt_seq" if (defined $opt_seq);
|
---|
28 |
|
---|
29 | my $consumer = OAuth::Lite::Consumer->new( 'consumer_key' => $access_key,
|
---|
30 | 'consumer_secret' => $secret_key,
|
---|
31 | 'auth_method' => OAuth::Lite::AuthMethod::URL_QUERY );
|
---|
32 |
|
---|
33 | my $response = $consumer->request( 'method' => 'GET',
|
---|
34 | 'url' => $request_url,
|
---|
35 | 'params' => $opt_params );
|
---|
36 |
|
---|
37 | if (!$response->is_success()) {
|
---|
38 | print STDERR "**** Failed to retrieval any content from URL:\n";
|
---|
39 | print STDERR " ", $consumer->oauth_request->uri, "\n";
|
---|
40 | print "------\n";
|
---|
41 | print STDERR "**** Status: ", $response->status_line, "\n";
|
---|
42 | print "------\n";
|
---|
43 | my $text_only_content = $response->content();
|
---|
44 | $text_only_content =~ s/<[^>]*>//g;
|
---|
45 | $text_only_content =~ s/^\s*$//mg;
|
---|
46 |
|
---|
47 | print STDERR "**** Content: $text_only_content\n";
|
---|
48 | print "------\n";
|
---|
49 |
|
---|
50 | $response = undef;
|
---|
51 | }
|
---|
52 |
|
---|
53 | return $response;
|
---|
54 | }
|
---|
55 |
|
---|
56 |
|
---|
57 | sub pageimage_data_api
|
---|
58 | {
|
---|
59 | my ($htid,$seq_num,$ofilename) = @_;
|
---|
60 |
|
---|
61 | if (!-f $ofilename) {
|
---|
62 | print STDERR "Downloading PageImage $htid/$seq_num\n";
|
---|
63 |
|
---|
64 | my $retryCount = 0;
|
---|
65 | PageImageRetry:
|
---|
66 | my $response = _data_api("pageimage",$htid, $seq_num );
|
---|
67 | if (defined $response) {
|
---|
68 | $retryCount = 0; # reset it
|
---|
69 | my $content = $response->content();
|
---|
70 |
|
---|
71 | if (open(IMGOUT,">$ofilename")) {
|
---|
72 | binmode(IMGOUT);
|
---|
73 | print IMGOUT $content;
|
---|
74 | close(IMGOUT);
|
---|
75 | }
|
---|
76 | else {
|
---|
77 | print STDERR "Error: Failed to open $ofilename for binary output\n";
|
---|
78 | print STDERR " $!\n";
|
---|
79 | }
|
---|
80 | }
|
---|
81 | else {
|
---|
82 | $retryCount++;
|
---|
83 | print STDERR "Failed to download PageImage\n";
|
---|
84 |
|
---|
85 | if ($retryCount<2) {
|
---|
86 | print STDERR "Sleeping to 60 seconds\n";
|
---|
87 | sleep(60);
|
---|
88 | print STDERR "Retry attempt $retryCount\n";
|
---|
89 | goto PageImageRetry;
|
---|
90 | }
|
---|
91 | else {
|
---|
92 | print STDERR "Maximum number of attempts reached. Stopping.\n";
|
---|
93 | exit -1;
|
---|
94 | }
|
---|
95 | }
|
---|
96 |
|
---|
97 | }
|
---|
98 | else {
|
---|
99 | print STDERR "Skipping PageImage data API request\n";
|
---|
100 | print STDERR "=> downloaded file $ofilename already exists\n";
|
---|
101 | }
|
---|
102 | }
|
---|
103 |
|
---|
104 |
|
---|
105 |
|
---|
106 | sub pageocr_data_api
|
---|
107 | {
|
---|
108 | my ($htid,$seq_num,$ofilename) = @_;
|
---|
109 |
|
---|
110 | my $content = undef;
|
---|
111 |
|
---|
112 | if (((defined $ofilename) && (!-f $ofilename))
|
---|
113 | || (!defined $ofilename)) {
|
---|
114 | print STDERR "Downloading PageOCR (text) $htid/$seq_num\n";
|
---|
115 |
|
---|
116 | my $retryCount = 0;
|
---|
117 | PageOcrRetry:
|
---|
118 |
|
---|
119 | my $response = _data_api("pageocr",$htid, $seq_num );
|
---|
120 |
|
---|
121 | if (defined $response) {
|
---|
122 | $retryCount = 0; # reset it
|
---|
123 |
|
---|
124 | $content = $response->content();
|
---|
125 |
|
---|
126 | if (open(TXTOUT,">$ofilename")) {
|
---|
127 | print TXTOUT $content;
|
---|
128 | close(TXTOUT);
|
---|
129 | }
|
---|
130 | else {
|
---|
131 | print STDERR "Error: Failed to open $ofilename for binary output\n";
|
---|
132 | print STDERR " $!\n";
|
---|
133 | }
|
---|
134 | }
|
---|
135 | else {
|
---|
136 | $retryCount++;
|
---|
137 | print STDERR "Failed to download PageOCR\n";
|
---|
138 |
|
---|
139 | if ($retryCount<2) {
|
---|
140 | print STDERR "Sleeping to 60 seconds\n";
|
---|
141 | sleep(60);
|
---|
142 | print STDERR "Retry attempt $retryCount\n";
|
---|
143 | goto PageOcrRetry;
|
---|
144 | }
|
---|
145 | else {
|
---|
146 | print STDERR "Maximum number of attempts reached. Stopping.\n";
|
---|
147 | exit -1;
|
---|
148 | }
|
---|
149 | }
|
---|
150 |
|
---|
151 | }
|
---|
152 | else {
|
---|
153 | print STDERR "Skipping PageOCR Data API request\n";
|
---|
154 | print STDERR "=> Using cached version of file:\n $ofilename\n";
|
---|
155 |
|
---|
156 | if (open(JSIN,"<$ofilename")) {
|
---|
157 | binmode(JSIN,":utf8");
|
---|
158 |
|
---|
159 | my $line;
|
---|
160 | while (defined ($line=<JSIN>)) {
|
---|
161 | $content .= $line;
|
---|
162 | }
|
---|
163 | close(JSIN);
|
---|
164 | }
|
---|
165 | else {
|
---|
166 | print STDERR "Error: Failed to open cached file $ofilename for input\n";
|
---|
167 | print STDERR " $!\n";
|
---|
168 | }
|
---|
169 | }
|
---|
170 |
|
---|
171 | return $content;
|
---|
172 | }
|
---|
173 |
|
---|
174 | sub json_structure_data_api
|
---|
175 | {
|
---|
176 | my ($htid,$ofilename) = @_;
|
---|
177 |
|
---|
178 | my $json_content = "";
|
---|
179 |
|
---|
180 | if (!-f $ofilename) {
|
---|
181 | print STDERR "Downloading METS structure record for $htid\n";
|
---|
182 |
|
---|
183 | my $response = _data_api("structure",$htid, undef, {'alt' => "json"} );
|
---|
184 | $json_content = $response->content();
|
---|
185 |
|
---|
186 | if (open(JSOUT,">$ofilename")) {
|
---|
187 | binmode(JSOUT,":utf8");
|
---|
188 | print JSOUT $json_content;
|
---|
189 | close(JSOUT);
|
---|
190 | }
|
---|
191 | else {
|
---|
192 | print STDERR "Error: Failed to open $ofilename for output\n";
|
---|
193 | print STDERR " $!\n";
|
---|
194 | }
|
---|
195 |
|
---|
196 | }
|
---|
197 | else {
|
---|
198 | print STDERR "Skipping Structure Data API request\n";
|
---|
199 | print STDERR "=> Using cached version of JSON structure file:\n $ofilename\n";
|
---|
200 |
|
---|
201 | if (open(JSIN,"<$ofilename")) {
|
---|
202 | binmode(JSIN,":utf8");
|
---|
203 |
|
---|
204 | my $line;
|
---|
205 | while (defined ($line=<JSIN>)) {
|
---|
206 | $json_content .= $line;
|
---|
207 | }
|
---|
208 | close(JSIN);
|
---|
209 | }
|
---|
210 | else {
|
---|
211 | print STDERR "Error: Failed to open cached JSON file $ofilename for input\n";
|
---|
212 | print STDERR " $!\n";
|
---|
213 | }
|
---|
214 | }
|
---|
215 |
|
---|
216 | ## print "**** $json_content\n";
|
---|
217 |
|
---|
218 | my $json_content_utf8 = Encode::encode("utf8",$json_content);
|
---|
219 | my $json_data = decode_json $json_content_utf8;
|
---|
220 |
|
---|
221 | return $json_data;
|
---|
222 |
|
---|
223 |
|
---|
224 | }
|
---|
225 |
|
---|
226 |
|
---|
227 | # Example file
|
---|
228 |
|
---|
229 | #<PagedDocument>
|
---|
230 | # <Metadata name="Title">Matariki 1881</Metadata>
|
---|
231 | # <Metadata name="Date">18810423</Metadata>
|
---|
232 | # <Metadata name="Number">1</Metadata>
|
---|
233 | # <PageGroup>
|
---|
234 | # <Metadata name="Title">Supplementary Material</Metadata>
|
---|
235 | # <Page txtfile="abstracts/23__1abstract.txt">
|
---|
236 | # <Metadata name="Title">Abstract</Metadata>
|
---|
237 | # </Page>
|
---|
238 | # </PageGroup>
|
---|
239 | # <PageGroup>
|
---|
240 | # <Metadata name="Title">Newspaper pages</Metadata>
|
---|
241 | # <Page pagenum="1" imgfile="images/23__1_1.gif" txtfile="text/23__1_1.txt"/>
|
---|
242 | # <Page pagenum="2" imgfile="images/23__1_2.gif" txtfile="text/23__1_2.txt"/>
|
---|
243 | # <Page pagenum="3" imgfile="images/23__1_3.gif" txtfile="text/23__1_3.txt"/>
|
---|
244 | # </PageGroup>
|
---|
245 | #</PagedDocument>
|
---|
246 |
|
---|
247 | sub rec_paged_image_structure
|
---|
248 | {
|
---|
249 | my ($this_div,$pagenum,$depth,$htid,$file_id_map,$resource_output_dir) = @_;
|
---|
250 |
|
---|
251 | my ($local_output_dir) = ($resource_output_dir =~ m/^.*\/(.*?)$/);
|
---|
252 |
|
---|
253 |
|
---|
254 | my $fptr_entry = $this_div->{'METS:fptr'};
|
---|
255 |
|
---|
256 | if (defined $this_div->{'METS:div'}) {
|
---|
257 | # Only want Greenstones <PageGroup> tag if not a METS leaf div
|
---|
258 | print PIOUT " " x $depth, "<PageGroup>\n";
|
---|
259 | }
|
---|
260 |
|
---|
261 | if (defined $fptr_entry) {
|
---|
262 | # hit a leaf node
|
---|
263 |
|
---|
264 | my $fptr_array = undef;
|
---|
265 |
|
---|
266 | if (ref $fptr_entry eq "HASH") {
|
---|
267 | $fptr_array = [ $fptr_entry ];
|
---|
268 | }
|
---|
269 | else {
|
---|
270 | $fptr_array = $fptr_entry;
|
---|
271 | }
|
---|
272 |
|
---|
273 | my $imgfile = undef;
|
---|
274 | my $txtfile = undef;
|
---|
275 |
|
---|
276 |
|
---|
277 | foreach my $fptr_hash (@$fptr_array) {
|
---|
278 | my $fileid = $fptr_hash->{'FILEID'};
|
---|
279 |
|
---|
280 | ## print STDERR "Looking up fileid = $fileid\n";
|
---|
281 |
|
---|
282 | my $file = $file_id_map->{$fileid};
|
---|
283 | my $seq = $file->{'SEQ'};
|
---|
284 | my $href = $file->{'METS:FLocat'}->{'xlink:href'};
|
---|
285 |
|
---|
286 |
|
---|
287 | if ($file->{'USE'} =~ m/\bimage\b/i) {
|
---|
288 | $imgfile = "$local_output_dir/$href";
|
---|
289 | my $full_imgfile = "$resource_output_dir/$href";
|
---|
290 | pageimage_data_api($htid,$seq,$full_imgfile);
|
---|
291 | }
|
---|
292 | elsif ($file->{'USE'} =~ m/\bocr\b/i) {
|
---|
293 | $txtfile = "$local_output_dir/$href";
|
---|
294 | my $full_txtfile = "$resource_output_dir/$href";
|
---|
295 | pageocr_data_api($htid,$seq,$full_txtfile);
|
---|
296 | }
|
---|
297 |
|
---|
298 | }
|
---|
299 | # Generate line along the following lines
|
---|
300 |
|
---|
301 | # <Page pagenum="1" imgfile="images/23__1_1.gif" txtfile="text/23__1_1.txt"/>
|
---|
302 | print PIOUT " " x ($depth+1), "<Page ";
|
---|
303 | print PIOUT "pagenum=\"$pagenum\" " if defined $pagenum;
|
---|
304 | print PIOUT "imgfile=\"$imgfile\" " if defined $imgfile;
|
---|
305 | print PIOUT "txtfile=\"$txtfile\" " if defined $txtfile;
|
---|
306 | print PIOUT "/>\n";
|
---|
307 |
|
---|
308 | }
|
---|
309 |
|
---|
310 | # Now process any child divs
|
---|
311 |
|
---|
312 | my $div_entry = $this_div->{'METS:div'};
|
---|
313 |
|
---|
314 | if (defined $div_entry) {
|
---|
315 |
|
---|
316 | my $div_array = undef;
|
---|
317 |
|
---|
318 | if (ref $div_entry eq "HASH") {
|
---|
319 | # upgrade single entry to array
|
---|
320 | $div_array = [ $div_entry ];
|
---|
321 | }
|
---|
322 | else {
|
---|
323 | $div_array = $div_entry;
|
---|
324 | }
|
---|
325 |
|
---|
326 | print STDERR "+ Processing ", scalar(@$div_array), " sections\n";
|
---|
327 |
|
---|
328 | foreach my $div_hash (@$div_array) {
|
---|
329 |
|
---|
330 | my $pagenum = $div_hash->{'ORDER'};
|
---|
331 |
|
---|
332 | rec_paged_image_structure($div_hash,$pagenum,$depth+1,$htid,$file_id_map,$resource_output_dir);
|
---|
333 | }
|
---|
334 | }
|
---|
335 |
|
---|
336 | if (defined $this_div->{'METS:div'}) {
|
---|
337 | # Only want Greenstones <PageGroup> tag if not a METS leaf div
|
---|
338 | print PIOUT " " x $depth, "</PageGroup>\n";
|
---|
339 | }
|
---|
340 |
|
---|
341 |
|
---|
342 | }
|
---|
343 |
|
---|
344 | sub generate_paged_image_structure
|
---|
345 | {
|
---|
346 | my ($toplevel_div,$htid,$file_id_map,$ofilename) = @_;
|
---|
347 |
|
---|
348 | print STDERR "Generating PageImage file: $ofilename\n";
|
---|
349 |
|
---|
350 | my ($resource_output_dir) = ($ofilename =~ m/^(.*)\..+?$/);
|
---|
351 | if (!-d $resource_output_dir) {
|
---|
352 | mkdir $resource_output_dir;
|
---|
353 | }
|
---|
354 |
|
---|
355 | if (open(PIOUT,">$ofilename")) {
|
---|
356 | binmode(PIOUT,":utf8");
|
---|
357 |
|
---|
358 | print PIOUT "<PagedDocument>\n";
|
---|
359 | # print PIOUT " <PageGroup>\n";
|
---|
360 |
|
---|
361 | rec_paged_image_structure($toplevel_div,1,1,$htid,$file_id_map,$resource_output_dir);
|
---|
362 |
|
---|
363 | # print PIOUT " </PageGroup>\n";
|
---|
364 | print PIOUT "</PagedDocument>\n";
|
---|
365 |
|
---|
366 | close(PIOUT);
|
---|
367 | }
|
---|
368 | else {
|
---|
369 | print STDERR "Error: Failed to open $ofilename for output\n";
|
---|
370 | print STDERR " $!\n";
|
---|
371 | }
|
---|
372 |
|
---|
373 |
|
---|
374 |
|
---|
375 | }
|
---|
376 |
|
---|
377 |
|
---|
378 | my $pdCount = 0;
|
---|
379 |
|
---|
380 | sub download_ht_doc
|
---|
381 | {
|
---|
382 | my ($cat_key,$htid,$ofilename) = @_;
|
---|
383 |
|
---|
384 | my $json_data = json_structure_data_api($htid,$ofilename);
|
---|
385 |
|
---|
386 | # Map in the IDs from:
|
---|
387 | # METS:mets->METS:fileSec->METS:fileGrp
|
---|
388 |
|
---|
389 | my $file_sec_ids = {};
|
---|
390 |
|
---|
391 | my $file_grp_array = $json_data->{'METS:mets'}->{'METS:fileSec'}->{'METS:fileGrp'};
|
---|
392 |
|
---|
393 | # print "**** num file grps = ", scalar(@$file_grp_array), "\n";
|
---|
394 |
|
---|
395 | foreach my $file_grp (@$file_grp_array) {
|
---|
396 |
|
---|
397 | my $use = $file_grp->{'USE'};
|
---|
398 |
|
---|
399 | my $file_entry = $file_grp->{'METS:file'};
|
---|
400 |
|
---|
401 | my $file_array = undef;
|
---|
402 |
|
---|
403 | if (ref $file_entry eq "HASH") {
|
---|
404 | # upgrade single entry into array
|
---|
405 | $file_array = [ $file_entry ];
|
---|
406 | }
|
---|
407 | else {
|
---|
408 | $file_array = $file_entry;
|
---|
409 | }
|
---|
410 |
|
---|
411 | # print "**** num files = ", scalar(@$file_array), "\n";
|
---|
412 |
|
---|
413 | foreach my $file_hash (@$file_array) {
|
---|
414 | # push file_grp USE attribute down into each file entry (to make file easier later on)
|
---|
415 | $file_hash->{'USE'} = $use;
|
---|
416 |
|
---|
417 | my $file_id = $file_hash->{'ID'};
|
---|
418 | $file_sec_ids->{$file_id} = $file_hash;
|
---|
419 |
|
---|
420 | # print "file id = $file_id\n";
|
---|
421 | }
|
---|
422 |
|
---|
423 | }
|
---|
424 |
|
---|
425 | # METS:mets->METS:structMap->{nested METS:div}+
|
---|
426 |
|
---|
427 | my $struct_map_array = $json_data->{'METS:mets'}->{'METS:structMap'};
|
---|
428 | my $toplevel_div = $struct_map_array->{'METS:div'};
|
---|
429 |
|
---|
430 | my $pi_filename = $ofilename;
|
---|
431 | $pi_filename =~ s/_structure\.json$/_item.xml/;
|
---|
432 |
|
---|
433 | generate_paged_image_structure($toplevel_div,$htid,$file_sec_ids,$pi_filename);
|
---|
434 |
|
---|
435 |
|
---|
436 | ## print "**** json_content = $json_content_utf8\n\n";
|
---|
437 |
|
---|
438 | $pdCount++;
|
---|
439 |
|
---|
440 | # if ($pdCount>5) {
|
---|
441 | # exit 0;
|
---|
442 | # }
|
---|
443 |
|
---|
444 | }
|
---|
445 |
|
---|
446 | sub read_json_file
|
---|
447 | {
|
---|
448 | my ($filename) = @_;
|
---|
449 |
|
---|
450 | print STDERR "+ Proccessing file: $filename\n";
|
---|
451 |
|
---|
452 | my $json_file_content = "";
|
---|
453 | open(JSON_FILE, "<$filename");
|
---|
454 | binmode(JSON_FILE,":utf8");
|
---|
455 |
|
---|
456 | my $line;
|
---|
457 | while (defined ($line=<JSON_FILE>)) {
|
---|
458 | $json_file_content .= $line;
|
---|
459 | }
|
---|
460 |
|
---|
461 | close(JSON_FILE);
|
---|
462 |
|
---|
463 | my $json_file_content_utf8 = Encode::encode("utf8",$json_file_content);
|
---|
464 | my $json_data = decode_json $json_file_content_utf8;
|
---|
465 |
|
---|
466 | my $record_hash = $json_data->{'records'};
|
---|
467 | my @record_keys = keys %$record_hash;
|
---|
468 | my $primary_cat_key = shift @record_keys;
|
---|
469 |
|
---|
470 | my $items_entry = $json_data->{'items'};
|
---|
471 | my $items_array;
|
---|
472 |
|
---|
473 | print STDERR "*** ref: ", ref $items_entry, "\n\n";
|
---|
474 |
|
---|
475 |
|
---|
476 | if (ref $items_entry eq "HASH") {
|
---|
477 | $items_array = [ $items_entry ];
|
---|
478 | }
|
---|
479 | else {
|
---|
480 | $items_array = $items_entry;
|
---|
481 | }
|
---|
482 |
|
---|
483 | my $num_items = scalar(@$items_array);
|
---|
484 |
|
---|
485 | my $num_pd = 0;
|
---|
486 |
|
---|
487 | foreach my $item (@$items_array) {
|
---|
488 |
|
---|
489 | my $htid = $item->{'htid'};
|
---|
490 | my $rights_code = $item->{'rightsCode'};
|
---|
491 |
|
---|
492 | # print "htid = $htid\n";
|
---|
493 | # print "Rights code = $rights_code\n" if defined $rights_code;
|
---|
494 |
|
---|
495 | if (defined($rights_code) && ($rights_code eq "pd")) {
|
---|
496 | # in the public domain
|
---|
497 | $num_pd++;
|
---|
498 |
|
---|
499 | my $htid_safe = uri_escape($htid);
|
---|
500 |
|
---|
501 | my $ofilename = $filename;
|
---|
502 | $ofilename =~ s/\.json/_structure.json/;
|
---|
503 |
|
---|
504 | download_ht_doc($primary_cat_key,$htid,$ofilename);
|
---|
505 |
|
---|
506 | # bail out at first public domain version of document
|
---|
507 | last;
|
---|
508 | }
|
---|
509 | }
|
---|
510 |
|
---|
511 | # if ($num_pd==0) {
|
---|
512 | # print "++ $num_items item(s)\n";
|
---|
513 | # }
|
---|
514 | # else {
|
---|
515 | # print "++ $num_items item(s) *of* *which* $num_pd is/are in the public domain\n";
|
---|
516 | # }
|
---|
517 |
|
---|
518 | }
|
---|
519 |
|
---|
520 |
|
---|
521 | sub process_dir
|
---|
522 | {
|
---|
523 | my ($full_dir) = @_;
|
---|
524 |
|
---|
525 | # print "Processing directory: $full_dir\n";
|
---|
526 |
|
---|
527 | if (opendir(DIN, $full_dir)) {
|
---|
528 | my @dir_content = grep { $_ !~ m/^\./ } sort readdir(DIN);
|
---|
529 | closedir DIN;
|
---|
530 |
|
---|
531 | foreach my $df (@dir_content) {
|
---|
532 | my $full_df = "$full_dir/$df";
|
---|
533 | if (-d $full_df) {
|
---|
534 | my $full_sub_dir = $full_df;
|
---|
535 | process_dir($full_sub_dir);
|
---|
536 | }
|
---|
537 | else {
|
---|
538 | # file
|
---|
539 | my $full_file = $full_df;
|
---|
540 | if ($full_file =~ m/\.json$/) {
|
---|
541 | read_json_file($full_file);
|
---|
542 | }
|
---|
543 | }
|
---|
544 | }
|
---|
545 |
|
---|
546 | }
|
---|
547 | else {
|
---|
548 |
|
---|
549 | print STDERR "Error: Failed to open directory: $full_dir\n";
|
---|
550 | print STDERR " $!\n";
|
---|
551 | }
|
---|
552 |
|
---|
553 | }
|
---|
554 |
|
---|
555 |
|
---|
556 | sub main
|
---|
557 | {
|
---|
558 | my ($argv_ref) = @_;
|
---|
559 |
|
---|
560 | my $toplevel_dir = shift @$argv_ref || "output";
|
---|
561 |
|
---|
562 |
|
---|
563 | $toplevel_dir =~ s/\/$//; # remove any trailing /
|
---|
564 |
|
---|
565 | process_dir($toplevel_dir);
|
---|
566 |
|
---|
567 | }
|
---|
568 |
|
---|
569 | main(\@ARGV);
|
---|