Annotation of loncom/interface/spreadsheet/assesscalc.pm, revision 1.3
1.1 matthew 1: #
1.3 ! matthew 2: # $Id: assesscalc.pm,v 1.2 2003/05/19 15:48:18 matthew Exp $
1.1 matthew 3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
26: # The LearningOnline Network with CAPA
27: # Spreadsheet/Grades Display Handler
28: #
29: # POD required stuff:
30:
31: =head1 NAME
32:
33: assesscalc
34:
35: =head1 SYNOPSIS
36:
37: =head1 DESCRIPTION
38:
39: =cut
40:
41: ###################################################
42: ### AssessSheet ###
43: ###################################################
44: package Apache::assesscalc;
45:
46: use strict;
47: use Apache::Constants qw(:common :http);
48: use Apache::lonnet;
1.2 matthew 49: use Apache::loncommon;
1.1 matthew 50: use Apache::Spreadsheet;
51: use HTML::Entities();
52: use Spreadsheet::WriteExcel;
53: use GDBM_File;
54: use Time::HiRes;
55:
56: @Apache::assesscalc::ISA = ('Apache::Spreadsheet');
57:
58: ########################################################
59: ########################################################
60:
61: =pod
62:
63: =head2 Package Variables
64:
65: =over 4
66:
67: =item %Exportrows
68:
69: =item $current_name
70:
71: =item $current_domain
72:
73: =item $current_course
74:
75: =item %parmhash
76:
77: =item %nice_parameter_name
78:
79: =item %useropt
80:
81: =item %courseopt
82:
83: =back
84:
85: =cut
86:
87: ########################################################
88: ########################################################
89:
90: my %Exportrows;
91:
92: my $current_name;
93: my $current_domain;
94: my $current_course;
95:
96: my %parmhash;
97: my %nice_parameter_name;
98:
99: my %useropt;
100: my %courseopt;
101:
102: ########################################################
103: ########################################################
104:
105: =pod
106:
107: =head2 Package Subroutines
108:
109: =item &clear_package()
110:
111: Reset all package variables.
112:
113: =cut
114:
115: ########################################################
116: ########################################################
117: sub clear_package {
118: undef(%Exportrows);
119: undef($current_name);
120: undef($current_domain);
121: undef($current_course);
122: undef(%useropt);
123: undef(%courseopt);
124: }
125:
126: ########################################################
127: ########################################################
128:
129: =pod
130:
131: =item &initialize_package()
132:
133: =cut
134:
135: ########################################################
136: ########################################################
137: sub initialize_package {
138: my ($sname,$sdomain) = @_;
139: $current_course = $ENV{'request.course.id'};
140: $current_name = $sname;
141: $current_domain = $sdomain;
142: undef(%courseopt);
143: &load_cached_export_rows();
144: &load_parameter_caches();
145: }
146:
147: ########################################################
148: ########################################################
149:
150: =pod
151:
152: =item &load_parameter_caches()
153:
154: =cut
155:
156: ########################################################
157: ########################################################
158: sub load_parameter_caches {
159: my $userprefix = $current_name.':'.$current_domain.'_';
160: $userprefix =~ s/:/_/g;
161: #
162: # Course Parameters Cache
163: if (! %courseopt) {
164: &Apache::lonnet::logthis("loading course options");
165: $current_course = $ENV{'request.course.id'};
166: undef(%courseopt);
167: if (! defined($current_name) || ! defined($current_domain)) {
168: &Apache::lonnet::logthis('bad call to setup_parameter_caches');
169: return;
170: }
171: my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
172: my $id = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
173: my %Tmp = &Apache::lonnet::dump('resourcedata',$dom,$id);
174: while (my ($name,$value) = each(%Tmp)) {
1.3 ! matthew 175: $courseopt{$name}=$value;
1.1 matthew 176: }
177: }
178: if (! %useropt) {
179: my %Tmp = &Apache::lonnet::dump('resourcedata',
180: $current_domain,$current_name);
181: while (my ($name,$value) = each(%Tmp)) {
182: if ($name =~ /^error: 2/ || $name =~ /no such file/) {
183: undef(%useropt);
184: last;
185: }
186: $useropt{$userprefix.$name}=$value;
187: }
188: }
189: }
190:
191: ########################################################
192: ########################################################
193:
194: =pod
195:
196: =head2 assesscalc object methods
197:
198: =cut
199:
200: ########################################################
201: ########################################################
202: sub ensure_current_parameter_caches {
203: my $self = shift;
204: if (! defined($current_course) ||
205: $current_course ne $ENV{'request.course.id'} ) {
206: $current_course = $ENV{'request.course.id'};
207: undef(%courseopt);
208: }
209: if (! defined($current_name) || $current_name ne $self->{'name'} ||
210: ! defined($current_domain) || $current_domain ne $self->{'domain'}) {
211: $current_domain = $self->{'domain'};
212: $current_name = $self->{'name'};
213: undef(%useropt);
214: }
215: &load_parameter_caches();
216: }
217:
218: ##################################################
219: ##################################################
220:
221: =pod
222:
223: =item &parmval()
224:
225: Determine the value of a parameter.
226:
227: Inputs: $what, the parameter needed, $symb, $uname, $udom, $csec
228:
229: Returns: The value of a parameter, or '' if none.
230:
231: This function cascades through the possible levels searching for a value for
232: a parameter. The levels are checked in the following order:
233: user, course (at section level and course level), map, and lonnet::metadata.
234: This function uses %parmhash, which must be tied prior to calling it.
235: This function also requires %courseopt and %useropt to be initialized for
236: this user and course.
237:
238: =cut
239:
240: ##################################################
241: ##################################################
242: sub parmval {
243: my $self = shift;
244: my ($what,$symb,$uname,$udom,$csec)=@_;
245: $uname = $self->{'name'} if (! defined($uname));
246: $udom = $self->{'domain'} if (! defined($udom));
247: $csec = $self->{'section'} if (! defined($csec));
248: $symb = $self->{'symb'} if (! defined($symb));
249: #
250: my $result='';
251: #
252: # This should be a
253: my ($mapname,$id,$fn)=split(/___/,$symb);
254: # Cascading lookup scheme
255: my $rwhat=$what;
256: $what =~ s/^parameter\_//;
257: $what =~ s/\_([^\_]+)$/\.$1/;
258: #
259: my $symbparm = $symb.'.'.$what;
260: my $mapparm = $mapname.'___(all).'.$what;
1.3 ! matthew 261: my $courseprefix = $self->{'cid'};
1.1 matthew 262: my $usercourseprefix = $uname.'_'.$udom.'_'.$self->{'cid'};
263: #
1.3 ! matthew 264: my $seclevel = $courseprefix.'.['.$csec.'].'.$what;
! 265: my $seclevelr = $courseprefix.'.['.$csec.'].'.$symbparm;
! 266: my $seclevelm = $courseprefix.'.['.$csec.'].'.$mapparm;
! 267: #
! 268: my $courselevel = $courseprefix.'.'.$what;
! 269: my $courselevelr = $courseprefix.'.'.$symbparm;
! 270: my $courselevelm = $courseprefix.'.'.$mapparm;
! 271: #
! 272: my $ucourselevel = $usercourseprefix.'.'.$what;
! 273: my $ucourselevelr = $usercourseprefix.'.'.$symbparm;
! 274: my $ucourselevelm = $usercourseprefix.'.'.$mapparm;
1.1 matthew 275: # check user
276: if (defined($uname)) {
1.3 ! matthew 277: return $useropt{$ucourselevelr} if (defined($useropt{$ucourselevelr}));
! 278: return $useropt{$ucourselevelm} if (defined($useropt{$ucourselevelm}));
! 279: return $useropt{$ucourselevel} if (defined($useropt{$ucourselevel}));
1.1 matthew 280: }
281: # check section
282: if (defined($csec)) {
283: return $courseopt{$seclevelr} if (defined($courseopt{$seclevelr}));
284: return $courseopt{$seclevelm} if (defined($courseopt{$seclevelm}));
285: return $courseopt{$seclevel} if (defined($courseopt{$seclevel}));
286: }
287: #
288: # check course
289: return $courseopt{$courselevelr} if (defined($courseopt{$courselevelr}));
290: return $courseopt{$courselevelm} if (defined($courseopt{$courselevelm}));
291: return $courseopt{$courselevel} if (defined($courseopt{$courselevel}));
292: # check map parms
293: my $thisparm = $parmhash{$symbparm};
294: return $thisparm if (defined($thisparm));
295: # check default
296: $thisparm = &Apache::lonnet::metadata($fn,$rwhat.'.default');
297: return $thisparm if (defined($thisparm));
298: #
299: # Cascade Up
300: my $space=$what;
301: $space=~s/\.\w+$//;
302: if ($space ne '0') {
303: my @parts=split(/_/,$space);
304: my $id=pop(@parts);
305: my $part=join('_',@parts);
306: if ($part eq '') { $part='0'; }
307: my $newwhat=$rwhat;
308: $newwhat=~s/\Q$space\E/$part/;
309: my $partgeneral=$self->parmval($newwhat,$symb,$uname,$udom,$csec);
310: if (defined($partgeneral)) { return $partgeneral; }
311: }
312: #nothing defined
313: return '';
314: }
315:
316: sub get_title {
317: my $self = shift;
318: my $title;
319: if (($self->{'usymb'} eq '_feedback') ||
320: ($self->{'usymb'} eq '_evaluation') ||
321: ($self->{'usymb'} eq '_discussion') ||
322: ($self->{'usymb'} eq '_tutoring')) {
323: $title = $self->{'usymb'};
324: $title =~ s/^_//;
325: $title = '<h1>'.ucfirst($title)."</h1>\n";
326: } else {
327: $title = '<h1>'.&Apache::lonnet::gettitle($self->{'symb'})."</h1>\n";
328: }
1.2 matthew 329: # Look up the users identifying information
330: # Get the users information
331: my %userenv = &Apache::loncoursedata::GetUserName($self->{'name'},
332: $self->{'domain'});
333: my $name =
334: join(' ',@userenv{'firstname','middlename','lastname','generation'});
335: $name =~ s/\s+$//;
336: $title .= '<h2>'.$name.', '.
337: &Apache::loncommon::aboutmewrapper($self->{'name'}.'@'.$self->{'domain'},
338: $self->{'name'},$self->{'domain'}).
339: "</h2>\n";
1.1 matthew 340: $title .= '<h3>'.localtime(time).'</h3>';
341: #
342: return $title;
343: }
344:
345: sub parent_link {
346: my $self = shift;
347: my $link .= '<p><a href="/adm/studentcalc?'.
348: 'sname='.$self->{'name'}.
349: '&sdomain='.$self->{'domain'}.'">'.
350: 'Student level sheet</a></p>'."\n";
351: return $link;
352: }
353:
354: sub outsheet_html {
355: my $self = shift;
356: my ($r) = @_;
357: ###################################
358: # Determine table structure
359: ###################################
360: my $num_uneditable = 1;
361: my $num_left = 52-$num_uneditable;
362: my $tableheader =<<"END";
363: <table border="2">
364: <tr>
365: <th colspan="2" rowspan="2"><font size="+2">Assessment</font></th>
366: <td bgcolor="#FFDDDD" colspan="$num_uneditable"> </td>
367: <td colspan="$num_left">
368: <b><font size="+1">Calculations</font></b></td>
369: </tr><tr>
370: END
371: my $label_num = 0;
372: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
373: if ($label_num<$num_uneditable) {
374: $tableheader .= '<td bgcolor="#FFDDDD">';
375: } else {
376: $tableheader .= '<td>';
377: }
378: $tableheader .= "<b><font size=+1>$_</font></b></td>";
379: $label_num++;
380: }
381: $tableheader.="</tr>\n";
382: #
383: $r->print($tableheader);
384: #
385: # Print out template row
386: $r->print('<tr><td>Template</td><td> </td>'.
387: $self->html_template_row($num_uneditable)."</tr>\n");
388: #
389: # Print out summary/export row
390: $r->print('<tr><td>Export</td><td>0</td>'.
391: $self->html_export_row()."</tr>\n");
392: #
393: # Prepare to output rows
394: $tableheader =<<"END";
395: <table border="2">
396: <tr><th>row</th><th>Item</th>
397: END
398: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
399: if ($label_num<$num_uneditable) {
400: $tableheader.='<th bgcolor="#FFDDDD">';
401: } else {
402: $tableheader.='<th>';
403: }
404: $tableheader.="<b><font size=+1>$_</font></b></th>";
405: }
406: #
407: my $num_output = 0;
408: foreach my $rownum ($self->rows()) {
409: if ($num_output++ % 50 == 0) {
410: $r->print("</table>\n".$tableheader);
411: }
412: $r->print('<tr><td>'.$rownum.'</td>'.
413: $self->assess_html_row($num_uneditable,$rownum)."</tr>\n");
414: }
415: $r->print("</table>\n");
416: return;
417: }
418:
419: sub assess_html_row {
420: my $self = shift();
421: my ($num_uneditable,$row) = @_;
422: my $requester_is_student = ($ENV{'request.role'} =~ /^st\./);
423: my $parameter_name = $self->{'formulas'}->{'A'.$row};
424: my @rowdata = $self->get_row($row);
425: my $num_cols_output = 0;
426: my $row_html;
427: if (exists($nice_parameter_name{$parameter_name})) {
428: my $name = $nice_parameter_name{$parameter_name};
429: $name =~ s/ /\ /g;
430: $row_html .= '<td>'.$name.'<br />'.$parameter_name.'</td>';
431: } else {
432: $row_html .= '<td>'.$parameter_name.'</td>';
433: }
434: foreach my $cell (@rowdata) {
435: if ($requester_is_student ||
436: $num_cols_output++ < $num_uneditable) {
437: $row_html .= '<td bgcolor="#FFDDDD">';
438: $row_html .= &Apache::Spreadsheet::html_uneditable_cell($cell,'#FFDDDD');
439: } else {
440: $row_html .= '<td bgcolor="#EOFFDD">';
441: $row_html .= &Apache::Spreadsheet::html_editable_cell($cell,'#E0FFDD');
442: }
443: $row_html .= '</td>';
444: }
445: return $row_html;
446: }
447:
448: sub outsheet_csv {
449: my $self = shift;
450: my ($r)=@_;
451: }
452:
453: sub outsheet_excel {
454: my $self = shift;
455: my ($r)=@_;
456: }
457:
458: sub display {
459: my $self = shift;
460: my ($r) = @_;
461: $self->compute();
462: $self->outsheet_html($r);
463: }
464:
465: sub compute {
466: my $self = shift;
467: $self->logthis('computing');
468: $self->initialize_safe_space();
469: #
470: # Definitions
471: undef(%nice_parameter_name);
472: my %parameters; # holds underscored parameters by name
473: #
474: # Get the metadata fields and determine their proper names
475: my ($symap,$syid,$srcf)=split(/___/,$self->{'symb'});
476: my @Metadata = split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
477: foreach my $parm (@Metadata) {
478: next if ($parm !~ /^(resource\.|stores|parameter)_/);
479: my $cleaned_name = $parm;
480: $cleaned_name =~ s/^resource\./stores_/;
481: $cleaned_name =~ s/\./_/g;
482: my $display = &Apache::lonnet::metadata($srcf,
483: $cleaned_name.'.display');
484: if (! $display) {
485: $display .= &Apache::lonnet::metadata($srcf,$cleaned_name.'.name');
486: }
487: $parameters{$cleaned_name}++;
488: $nice_parameter_name{$cleaned_name} = $display;
489: }
490: #
491: # Get the values of the metadata fields
492: $self->ensure_current_parameter_caches();
493: my $filename = $self->{'coursefilename'}.'_parms.db';
494: if (tie(%parmhash,'GDBM_File',
495: $self->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
496: foreach my $parmname (keys(%parameters)) {
1.3 ! matthew 497: my $value = $self->parmval($parmname);
1.1 matthew 498: $parameters{$parmname} =$value;
499: }
500: untie(%parmhash);
501: } else {
502: $self->logthis('unable to tie '.$filename);
503: }
504: #
505: # Clean out unnecessary parameters
506: foreach (keys(%parameters)) {
507: delete($parameters{$_}) if (! /(resource\.|stores_|parameter_)/);
508: }
509: #
510: # Get the students performance data
511: my %student_parameters =
512: &Apache::loncoursedata::get_current_state($self->{'name'},
513: $self->{'domain'},
514: $self->{'symb'},
515: $self->{'cid'});
516: while (my ($parm,$value) = each(%student_parameters)) {
517: $parm =~ s/^resource\./stores_/;
518: $parm =~ s/\./_/g;
519: $parameters{$parm} = $value;
520: }
521: #
522: # Set up the formulas and parameter values
523: my %f=$self->formulas();
524: my %c;
525: #
526: while (my ($parm,$value) = each(%parameters)) {
527: my $cell = 'A'.$self->get_row_number_from_key($parm);
528: $f{$cell} = $parm;
1.3 ! matthew 529: $c{$parm} = '"'.$value.'"';
1.1 matthew 530: }
531: $self->formulas(%f);
532: $self->constants(%c);
533: $self->calcsheet();
534: #
535: # Store export row in cache
536: my @exportarray = $self->exportrow();
537: $Exportrows{$self->{'symb'}}->{'time'} = time;
538: $Exportrows{$self->{'symb'}}->{$self->{'filename'}} = \@exportarray;
539: #
540: # Save the export data
541: $self->save_export_data();
542: return;
543: }
544:
545: ##
546: ## sett overrides Spreadsheet::sett
547: ##
548: sub sett {
549: my $self = shift;
550: my %t=();
551: #
552: # Deal with the template row by copying the template formulas into each
553: # row.
554: foreach my $col ($self->template_cells()) {
555: next if ($col=~/^A/);
556: foreach my $row ($self->rows()) {
557: # Get the name of this cell
558: my $cell=$col.$row;
559: # Grab the template declaration
560: $t{$cell}=$self->formula('template_'.$col);
561: # Replace '#' with the row number
562: $t{$cell}=~s/\#/$row/g;
563: # Replace '....' with ','
564: $t{$cell}=~s/\.\.+/\,/g;
565: # Replace 'A0' with the value from 'A0'
566: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
567: # Replace parameters
568: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
569: }
570: }
571: #
572: # Deal with the cells which have formulas
573: while (my ($cell,$formula) = each(%{$self->{'formulas'}})) {
574: next if ($cell =~ /template_/);
575: if ($cell =~ /^A/ && $cell ne 'A0') {
576: if ($formula !~ /^\!/) {
577: $t{$cell}=$self->{'constants'}->{$formula};
578: }
579: } else {
580: $t{$cell}=$formula;
581: $t{$cell}=~s/\.\.+/\,/g;
582: $t{$cell}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
583: $t{$cell}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
584: }
585: }
586: # Put %t into the safe space
587: %{$self->{'safe'}->varglob('t')}=%t;
588: }
589:
590:
591: ########################################################
592: ########################################################
593:
594: =pod
595:
596: =item &load_cached_export_rows()
597:
598: Retrieves and parsers the export rows of the assessment spreadsheets.
599: These rows are saved in the students directory in the format:
600:
601: sname:sdom:assesscalc:symb.time => time
602:
603: sname:sdom:assesscalc:symb => filename___=___Adata___;___Bdata___;___ ...
604:
605: =cut
606:
607: ########################################################
608: ########################################################
609: sub load_cached_export_rows {
610: %Exportrows = undef;
611: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets_'.
612: $ENV{'request.course.id'},
613: $current_domain,$current_name,undef);
614: if ($tmp[0]!~/^error/) {
615: my %tmp = @tmp;
616: my $default_filename = $ENV{'course.'.$ENV{'request.course.id'}.
617: '.spreadsheet_default_assesscalc'};
618: # We only got one key, so we will access it directly.
619: while (my ($key,$sheetdata) = each(%tmp)) {
620: my ($sname,$sdom,$sheettype,$symb) = split(':',$key);
621: if ($symb =~ /\.time$/) {
622: $symb =~ s/\.time$//;
623: $Exportrows{$symb}->{'time'} = $sheetdata;
624: } else {
625: $sheetdata =~ s/^(.*)___=___//;
626: my $filename = $1;
627: $filename = $default_filename if (! defined($filename));
628: my @Data = split('___;___',$sheetdata);
629: $Exportrows{$symb}->{$filename} = \@Data;
630: }
631: }
632: }
633: }
634:
635: #############################################
636: #############################################
637:
638: =pod
639:
640: =item &export_data
641:
642: Returns the export data associated with the spreadsheet. Computes the
643: spreadsheet only if necessary.
644:
645: =cut
646:
647: #############################################
648: #############################################
649: sub export_data {
650: my $self = shift;
651: my $symb = $self->{'symb'};
652: if (! exists($Exportrows{$symb}) || ! defined($Exportrows{$symb}) ||
653: ! $self->check_expiration_time($Exportrows{$symb}->{'time'}) ||
654: ! exists($Exportrows{$symb}->{$self->{'filename'}}) ||
655: ! defined($Exportrows{$symb}->{$self->{'filename'}})) {
656: $self->compute();
657: }
658: my @Data = @{$Exportrows{$symb}->{$self->{'filename'}}};
659: if ($Data[0] =~ /^(.*)___=___/) {
660: $self->{'sheetname'} = $1;
661: $Data[0] =~ s/^(.*)___=___//;
662: }
663: for (my $i=0;$i<$#Data;$i++) {
664: $Data[$i]="'".$Data[$i]."'" if ($Data[$i]=~/\D/ && defined($Data[$i]));
665: }
666: return @Data;
667: }
668:
669: #############################################
670: #############################################
671:
672: =pod
673:
674: =item &save_export_data()
675:
676: Writes the export data for this spreadsheet to the students cache.
677:
678: =cut
679:
680: #############################################
681: #############################################
682: sub save_export_data {
683: my $self = shift;
684: my $student = $self->{'name'}.':'.$self->{'domain'};
685: my $symb = $self->{'symb'};
686: if (! exists($Exportrows{$symb}) ||
687: ! exists($Exportrows{$symb}->{$self->{'filename'}})) {
688: return;
689: }
690: my $key = join(':',($self->{'name'},$self->{'domain'},'assesscalc',$symb));
691: my $timekey = $key.'.time';
692: my $newstore= join('___;___',@{$Exportrows{$symb}->{$self->{'filename'}}});
693: $newstore = $self->{'filename'}.'___=___'.$newstore;
694: my $result = &Apache::lonnet::put
695: ('nohist_calculatedsheets_'.$ENV{'request.course.id'},
696: { $key => $newstore,
697: $timekey => $Exportrows{$symb}->{'time'} },
698: $self->{'domain'},
699: $self->{'name'});
700:
701: return;
702: }
703:
704: 1;
705:
706: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to assesscalc.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface / spreadsheet