1: # Copyright Michigan State University Board of Trustees
2: #
3: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
4: #
5: # LON-CAPA is free software; you can redistribute it and/or modify
6: # it under the terms of the GNU General Public License as published by
7: # the Free Software Foundation; either version 2 of the License, or
8: # (at your option) any later version.
9: #
10: # LON-CAPA is distributed in the hope that it will be useful,
11: # but WITHOUT ANY WARRANTY; without even the implied warranty of
12: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: # GNU General Public License for more details.
14: #
15: # You should have received a copy of the GNU General Public License
16: # along with LON-CAPA; if not, write to the Free Software
17: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18: #
19: # /home/httpd/html/adm/gpl.txt
20: #
21: # http://www.lon-capa.org/
22: #
23:
24: package Apache::portfolio;
25: use strict;
26: use Apache::Constants qw(:common :http);
27: use Apache::loncommon;
28: use Apache::lonnet;
29: use Apache::lontexconvert;
30: use Apache::lonfeedback;
31: use Apache::lonlocal;
32:
33: # receives a file name and path stub from username/userfiles/portfolio/
34: # returns an anchor tag consisting encoding filename and currentpath
35: sub make_anchor {
36: my ($filename, $current_path, $current_mode, $field_name) = @_;
37: my $anchor = '<a href="/adm/portfolio?selectfile='.$filename.'¤tpath='.$current_path.'&mode='.$current_mode.'&fieldname='.$field_name.'">'.$filename.'</a>';
38: return $anchor;
39: }
40: my $dirptr=16384;
41: sub display_common {
42: my ($r,$current_path,$is_empty,$dir_list)=@_;
43: my $iconpath= $r->dir_config('lonIconsURL') . "/";
44: $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
45: $r->print('<td bgcolor="#ccddaa" align="center">');
46: my $displayOut = '<form method="post" enctype="multipart/form-data">';
47: $displayOut .= '<input name="uploaddoc" type="file" />'.
48: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
49: '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
50: '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
51: '<input type="hidden" name="mode" value="'.$ENV{"form.mode"}.'" />'.
52: '<input type="submit" name="storeupl" value="Upload" />'.
53: '</form>';
54: $r->print($displayOut);
55: $r->print('</td></tr><tr><td bgcolor="#ccddaa" align="center">');
56: $displayOut = '<form method="post">';
57: $displayOut .= '<input name="newdir" type="input" />'.
58: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
59: '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
60: '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
61: '<input type="hidden" name="mode" value="'.$ENV{"form.mode"}.'" />'.
62: '<input type="submit" name="createdir" value="'.&mt("Create Directory").'" />'.
63: '</form>';
64: $r->print($displayOut);
65: $r->print('</td></tr></table>');
66: my @tree = split (/\//,$current_path);
67: $r->print('<font size="+2">'.&make_anchor('portfolio','/',$ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
68: if (@tree > 1){
69: my $newCurrentPath = '';
70: for (my $i = 1; $i< @tree; $i++){
71: $newCurrentPath .= $tree[$i].'/';
72: $r->print(&make_anchor($tree[$i],'/'.$newCurrentPath, $ENV{"form.mode"},$ENV{"form.fieldname"}).'/');
73: }
74: }
75: $r->print('</font>');
76: &Apache::lonhtmlcommon::store_recent('portfolio',$current_path,$current_path);
77: $r->print('<br /><form method=post action="/adm/portfolio?mode='.$ENV{"form.mode"}.'&fieldname='.$ENV{"form.fieldname"}.'">'.
78: &Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
79: 'this.form.submit();'));
80: $r->print("</form>");
81: }
82: sub display_directory {
83: my ($r,$current_path,$is_empty,$dir_list)=@_;
84: my $iconpath= $r->dir_config('lonIconsURL') . "/";
85: my $display_out;
86: my %locked_files=&Apache::lonnet::dump('file_permissions',
87: $ENV{'user.domain'},$ENV{'user.name'});
88: my $locked_file;
89: foreach my $key (keys %locked_files) {
90: $locked_file .= $locked_files{$key}.':';
91: }
92: if ($is_empty && ($current_path ne '/')) {
93: $display_out = '<form method="post" action="/adm/portfolio">'.
94: '<input type="hidden" name="action" value="deletedir" />'.
95: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
96: '<input type="hidden" name="selectfile" value="" />'.
97: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
98: '</form>';
99:
100: $r->print($display_out);
101: return;
102: }
103: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
104: '<tr><th>Actions</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
105: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
106: foreach my $line (sort
107: {
108: my ($afile)=split('&',$a,2);
109: my ($bfile)=split('&',$b,2);
110: return (lc($afile) cmp lc($bfile));
111: } (@$dir_list)) {
112: #$strip holds directory/file name
113: #$dom
114: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
115: if ($Apache::lonhomework::results{"resource.$ENV{'user.domain'}.$ENV{'user.name'}.$filename"}eq'true'){
116: &Apache::lonnet::logthis("found submitted file");
117: &Apache::lonnet::logthis("resource.$ENV{'user.domain'}.$ENV{'user.name'}.$filename");
118: } else {
119: &Apache::lonnet::logthis("$filename not found submitted file");
120: &Apache::lonnet::logthis("resource.$ENV{'user.domain'}.$ENV{'user.name'}.$filename");
121: }
122: if (($filename ne '.') && ($filename ne '..')) {
123: if ($dirptr&$testdir) {
124: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
125: $r->print('<td>Go to ...</td>');
126: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/',$ENV{'form.mode'},$ENV{"form.fieldname"}).'</td>');
127: $r->print('</tr>');
128: } else {
129: $r->print('<tr bgcolor="#CCCCFF">');
130: $r->print('<td>
131: <form method="post" action="/adm/portfolio">
132: <select name="action">
133: <option value=""></option>
134: <option value="delete">'.&mt("Delete").'</option>
135: <option value="rename">'.&mt("Rename").'</option>
136: </select>
137: <input type="submit" name="doit" value="Go" />
138: <input type="hidden" name="selectfile" value="'.$filename.'" />
139: <input type="hidden" name="currentpath" value="'.$current_path.'" />
140: </form>
141: </td>');
142: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
143: $r->print('<td><a href="'.$href_location.$filename.'">'.
144: $filename.'</a></td>');
145: $r->print('<td>'.$size.'</td>');
146: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
147: $r->print('</tr>');
148: }
149: }
150: }
151: # <tr bgcolor="#FFAA99"> pink bg
152: # <tr bgcolor="#CCCCFF"> blue bg
153: # $r->print(&display_directory($current_path, $currentFile, @dir_list));
154: # $r->print('</td>><td>');
155: # $r->print(&display_actions($current_path, $currentFile, $isEmpty));
156: $r->print('</table></form>');
157: }
158: sub display_file_select {
159: my ($r,$current_path,$is_empty,$dir_list)=@_;
160: my $iconpath= $r->dir_config('lonIconsURL') . "/";
161: my $display_out;
162: if ($is_empty && ($current_path ne '/')) {
163: $display_out = '<form method="post" action="/adm/portfolio">'.
164: '<input type="hidden" name="action" value="deletedir" />'.
165: '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
166: '<input type="hidden" name="selectfile" value="" />'.
167: '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
168:
169: '</form>';
170:
171: $r->print($display_out);
172: return;
173: }
174: $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
175: '<tr><th>Select</th><th> </th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
176: my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
177: $r->print('<form method="post" name="checkselect" action="/adm/portfolio">');
178: foreach my $line (sort
179: {
180: my ($afile)=split('&',$a,2);
181: my ($bfile)=split('&',$b,2);
182: return (lc($afile) cmp lc($bfile));
183: } (@$dir_list)) {
184: #$strip holds directory/file name
185: #$dom
186: my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
187: if (($filename ne '.') && ($filename ne '..')) {
188: if ($dirptr&$testdir) {
189: $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
190: $r->print('<td>Go to ...</td>');
191: $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/',$ENV{'form.mode'},$ENV{"form.fieldname"}).'</td>');
192: $r->print('</tr>');
193: } else {
194: $r->print('<tr bgcolor="#CCCCFF">');
195: $r->print('<td>
196: <input type="checkbox" name="selectedfile" value="'.$filename.'" >
197: </td>');
198: $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
199: $r->print('<td><a href="'.$href_location.$filename.'">'.
200: $filename.'</a></td>');
201: $r->print('<td>'.$size.'</td>');
202: $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
203: $r->print('</tr>');
204: }
205: }
206: }
207: $r->print('</table>
208: <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
209: <input type="hidden" name="currentpath" value="'.$current_path.'" />
210: </form>');
211: }
212:
213: sub open_form {
214: my ($r)=@_;
215: $r->print('<form method="post" action="/adm/portfolio">');
216: $r->print('<input type="hidden" name="action" value="'.
217: $ENV{'form.action'}.'" />');
218: $r->print('<input type="hidden" name="confirmed" value="1" />');
219: $r->print('<input type="hidden" name="selectfile" value="'.
220: $ENV{'form.selectfile'}.'" />');
221: $r->print('<input type="hidden" name="currentpath" value="'.
222: $ENV{'form.currentpath'}.'" />');
223: }
224:
225: sub close_form {
226: my ($r)=@_;
227: $r->print('<p><input type="submit" value="'.&mt('Continue').
228: '" /></p></form>');
229: $r->print('<form action="/adm/portfolio" method="POST">
230: <p>
231: <input type="hidden" name="currentpath" value="'.
232: $ENV{'form.currentpath'}.'" />
233: <input type="submit" value="'.&mt('Cancel').'" />
234: </p></form>');
235:
236: }
237:
238: sub display_file {
239: my ($path,$filename)=@_;
240: if (!defined($path)) { $path=$ENV{'form.currentpath'}; }
241: if (!defined($filename)) { $filename=$ENV{'form.selectfile'}; }
242: return '<tt>'.$path.$filename.'</tt>';
243: }
244:
245: sub done {
246: return ('<h3><a href="/adm/portfolio?currentpath='.
247: $ENV{'form.currentpath'}.
248: '&fieldname='.$ENV{'form.fieldname'}.
249: '&mode='.$ENV{'form.mode'}.
250: '">'.&mt('Done').'</a></h3>');
251: }
252:
253: sub delete {
254: my ($r)=@_;
255: my @check;
256: my $file_name = $ENV{'form.currentpath'}.$ENV{'form.selectfile'};
257: if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'} ) eq 'true') {
258: $r->print ("The file is locked and cannot be deleted.<br />");
259: $r->print(&done());
260: } else {
261: &open_form($r);
262: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
263: &close_form($r);
264: }
265: }
266:
267: sub delete_confirmed {
268: my ($r)=@_;
269: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
270: $ENV{'user.domain'},'portfolio'.
271: $ENV{'form.currentpath'}.
272: $ENV{'form.selectfile'});
273: if ($result ne 'ok') {
274: $r->print('<font color="red"> An error occured ('.$result.
275: ') while trying to delete '.&display_file().'</font><br />');
276: }
277: $r->print(&done());
278: }
279:
280: sub delete_dir {
281: my ($r)=@_;
282: &open_form($r);
283: $r->print('<p>'.&mt('Delete').' '.&display_file().'?</p>');
284: &close_form($r);
285: }
286:
287: sub delete_dir_confirmed {
288: my ($r)=@_;
289: my $directory_name = $ENV{'form.currentpath'};
290: $directory_name =~ m/\/$/;
291: $directory_name = $`;
292: my $result=&Apache::lonnet::removeuserfile($ENV{'user.name'},
293: $ENV{'user.domain'},'portfolio'.
294: $directory_name);
295:
296: if ($result ne 'ok') {
297: $r->print('<font color="red"> An error occured (dir) ('.$result.
298: ') while trying to delete '.$directory_name.'</font><br />');
299: } else {
300: # now remove from recent
301: # $r->print('<br /> removing '.$directory_name.'<br /');
302: &Apache::lonhtmlcommon::remove_recent('portfolio',[$directory_name.'/']);
303: my @dirs = split m!/!, $directory_name;
304:
305: # $directory_name =~ m/^(\/*\/)(\/*.)$/;
306: $directory_name='/';
307: for (my $i=1; $i < (@dirs - 1); $i ++){
308: $directory_name .= $dirs[$i].'/';
309: }
310: $ENV{'form.currentpath'} = $directory_name;
311: }
312: $r->print(&done());
313: }
314:
315: sub rename {
316: my ($r)=@_;
317: my $file_name = $ENV{'form.currentpath'}.$ENV{'form.selectfile'};
318: if (&Apache::lonnet::is_locked($file_name,$ENV{'user.domain'},$ENV{'user.name'}) eq 'true') {
319: $r->print ("The file is locked and cannot be renamed.<br />");
320: $r->print(&done());
321: } else {
322: &open_form($r);
323: $r->print('<p>'.&mt('Rename').' '.&display_file().' to
324: <input name="filenewname" type="input" size="50" />?</p>');
325: &close_form($r);
326: }
327: }
328:
329: sub rename_confirmed {
330: my ($r)=@_;
331: my $filenewname=&Apache::lonnet::clean_filename($ENV{'form.filenewname'});
332: if ($filenewname eq '') {
333: $r->print('<font color="red">'.
334: &mt("Error: no valid filename was provided to rename to.").
335: '</font><br />');
336: $r->print(&done());
337: return;
338: }
339: my $result=
340: &Apache::lonnet::renameuserfile($ENV{'user.name'},$ENV{'user.domain'},
341: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.selectfile'},
342: 'portfolio'.$ENV{'form.currentpath'}.$ENV{'form.filenewname'});
343: if ($result ne 'ok') {
344: $r->print('<font color="red"> An errror occured ('.$result.
345: ') while trying to rename '.&display_file().' to '.
346: &display_file(undef,$filenewname).'</font><br />');
347: }
348: $r->print(&done());
349: }
350: sub select_files {
351: my ($r)=@_;
352: my $java_script =(<<ENDSMP);
353: <script language='javascript'>
354: function finishSelect() {
355: fileList = "";
356: for (i=0;i<document.forms.checkselect.length;i++) {
357: if (document.forms.checkselect[i].checked){
358: fileList = fileList + document.forms.checkselect.currentpath.value + document.forms.checkselect[i].value + "," ;
359: }
360: }
361: opener.document.forms.lonhomework.
362: ENDSMP
363: $java_script .= $ENV{'form.fieldname'};
364: $java_script .= (<<ENDSMP);
365: .value=fileList;
366: self.close();
367: }
368: </script>
369: ENDSMP
370: $r->print($java_script);
371: $r->print("<h1>Select portfolio files</h1>
372: Check as many as you wish in response to the essay problem.<br />");
373: }
374: sub upload {
375: my ($r)=@_;
376: my $fname=$ENV{'form.uploaddoc.filename'};
377: my $filesize = (length($ENV{'form.uploaddoc'})) / 1000; #express in k (1024?)
378: my $disk_quota = 20000; # expressed in k
379: $fname=&Apache::lonnet::clean_filename($fname);
380: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
381: $ENV{'user.name'}).
382: '/userfiles/portfolio';
383: # Fixme --- Move the checking for existing file to LOND error return
384: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
385: $ENV{'user.domain'},
386: $ENV{'user.name'},$portfolio_root);
387: my $found_file = 0;
388: foreach my $line (@dir_list) {
389: my ($filename)=split(/\&/,$line,2);
390: if ($filename eq $fname){
391: $found_file = 1;
392: }
393: }
394: my $current_disk_usage = &Apache::lonnet::diskusage($ENV{'user.domain'}, $ENV{'user.name'},$portfolio_root);
395: if (($current_disk_usage + $filesize) > $disk_quota){
396: $r->print('<font color="red">Unable to upload <strong>'.$fname.' (size = '.$filesize.' kilobytes</strong>. Disk quota will be exceeded.'.
397: '<br />Disk quota is '.$disk_quota.' kilobytes. Your current disk usage is '.$current_disk_usage.' kilobytes.');
398: }
399: elsif ($found_file){
400: $r->print('<font color="red">Unable to upload <strong>'.$fname.'</strong>, a file by that name was found in <strong>'.$ENV{'form.currentpath'}.'</strong></font>'.
401: '<br />To upload, rename or delete existing '.$fname.' in '.$ENV{'form.currentpath'});
402: } else {
403: my $result=&Apache::lonnet::userfileupload('uploaddoc','',
404: 'portfolio'.$ENV{'form.currentpath'});
405: if ($result !~ m|^/uploaded/|) {
406: $r->print('<font color="red"> An errror occured ('.$result.
407: ') while trying to upload '.&display_file().'</font><br />');
408: }
409: }
410: $r->print(&done());
411: }
412:
413: sub createdir {
414: my ($r)=@_;
415: my $newdir=&Apache::lonnet::clean_filename($ENV{'form.newdir'});
416: if ($newdir eq '') {
417: $r->print('<font color="red">'.
418: &mt("Error: no directory name was provided.").
419: '</font><br />');
420: $r->print(&done());
421: return;
422: }
423: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
424: $ENV{'user.name'}).
425: '/userfiles/portfolio';
426: my @dir_list=&Apache::lonnet::dirlist($ENV{'form.currentpath'},
427: $ENV{'user.domain'},
428: $ENV{'user.name'},$portfolio_root);
429: my $found_file = 0;
430: foreach my $line (@dir_list) {
431: my ($filename)=split(/\&/,$line,2);
432: if ($filename eq $newdir){
433: $found_file = 1;
434: }
435: }
436: if ($found_file){
437: $r->print('<font color="red"> Unable to create a directory named <strong>'.$newdir.
438: ' </strong>a file or directory by that name already exists.</font><br />');
439: } else {
440: my $result=&Apache::lonnet::mkdiruserfile($ENV{'user.name'},
441: $ENV{'user.domain'},'portfolio'.$ENV{'form.currentpath'}.$newdir);
442: if ($result ne 'ok') {
443: $r->print('<font color="red"> An errror occured ('.$result.
444: ') while trying to create a new directory '.&display_file().'</font><br />');
445: }
446: }
447: $r->print(&done());
448: }
449:
450: sub handler {
451: # this handles file management
452: my $r = shift;
453: my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
454: $ENV{'user.name'}).
455: '/userfiles/portfolio';
456: &Apache::loncommon::no_cache($r);
457: &Apache::loncommon::content_type($r,'text/html');
458: $r->send_http_header;
459: # Give the LON-CAPA page header
460: $r->print('<html><head><title>'.
461: &mt('Portfolio Manager').
462: "</title></head>\n".
463: &Apache::loncommon::bodytag('Portfolio Manager'));
464: $r->rflush();
465: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
466: ['selectfile','currentpath',
467: 'currentfile','action','fieldname','mode']);
468: if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
469: $r->print('<font color="red"> No file was selected to upload.'.
470: 'To upload a file, click <strong>Browse...</strong>'.
471: ', select a file, then click <strong>Upload</strong>,</font>');
472: }
473: if ($ENV{'form.uploaddoc.filename'}) {
474: &upload($r);
475: } elsif ($ENV{'form.action'} eq 'delete' && $ENV{'form.confirmed'}) {
476: &delete_confirmed($r);
477: } elsif ($ENV{'form.action'} eq 'delete') {
478: &delete($r);
479: } elsif ($ENV{'form.action'} eq 'deletedir' && $ENV{'form.confirmed'}) {
480: &delete_dir_confirmed($r);
481: } elsif ($ENV{'form.action'} eq 'deletedir'){
482: &delete_dir($r);
483: } elsif ($ENV{'form.action'} eq 'rename' && $ENV{'form.confirmed'}) {
484: &rename_confirmed($r);
485: } elsif ($ENV{'form.action'} eq 'rename') {
486: &rename($r);
487: } elsif ($ENV{'form.createdir'}) {
488: &createdir($r);
489: } else {
490: my $current_path='/';
491: if ($ENV{'form.currentpath'}) {
492: $current_path = $ENV{'form.currentpath'};
493: }
494: my @dir_list=&Apache::lonnet::dirlist($current_path,
495: $ENV{'user.domain'},
496: $ENV{'user.name'},$portfolio_root);
497: if ($dir_list[0] eq 'no_such_dir'){
498: # two main reasons for this:
499: # 1) never been here, so directory structure not created
500: # 2) back-button navigation after deleting a directory
501: if ($current_path eq '/'){
502: &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
503: $ENV{'user.domain'},'portfolio');
504: } else {
505: # some directory that snuck in get rid of the directory
506: # from the recent pulldown, just in case
507: &Apache::lonhtmlcommon::remove_recent('portfolio',
508: [$current_path]);
509: $current_path = '/'; # force it back to the root
510: }
511: # now grab the directory list again, for the first time
512: @dir_list=&Apache::lonnet::dirlist($current_path,
513: $ENV{'user.domain'},
514: $ENV{'user.name'},$portfolio_root);
515: }
516: # need to know if directory is empty so it can be removed if desired
517: my $is_empty=(@dir_list == 2);
518: &display_common($r,$current_path,$is_empty,\@dir_list);
519: if ($ENV{"form.mode"} eq 'selectfile'){
520: &select_files($r);
521: &display_file_select($r,$current_path,$is_empty,\@dir_list);
522: } else {
523: &display_directory($r,$current_path,$is_empty,\@dir_list);
524: }
525: $r->print("</body>\n</html>\n");
526: return OK;
527: }
528: }
529: 1;
530: __END__
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