1: #!/usr/bin/perl
2:
3: # The LearningOnline Network with CAPA
4: # Perl script to rebuild the topic->tex file hash
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: # 7-16-2002 Jeremy Bowers
29:
30: use strict;
31: use GDBM_File;
32: use File::Spec;
33:
34: # I had to chdir, because neither glob nor bsd_glob accept globs
35: # with ".." in them... sucky.
36: chdir("../../loncom/html/adm/help/");
37:
38: # if the topic hash exists, kill it
39: unlink('fragmentLabels.gdbm') if ( -e 'fragmentLabels.gdbm' );
40: print("Wiped old fragmentLabels.gdbm.\n");
41:
42: tie (my %fragmentLabels, 'GDBM_File', 'fragmentLabels.gdbm', &GDBM_WRCREAT(), 0660);
43: my $error = 0;
44:
45: chdir("tex");
46:
47: foreach my $file ( glob("*.tex") ) {
48: open(F, $file);
49: if ( index($file, "/") != "/" ) {
50: $file = substr($file, index($file, "/") + 1);
51: }
52: my $contents = join("\n", <F>);
53: my $label;
54:
55: my $found=0;
56: my $found_me=0;
57: # Search for labels, of the form '\label{labelname}'
58: foreach $label ( $contents =~ /\\label\{([^\}]*)\}/g ) {
59: $found = 1;
60: if ($file eq "$label.tex") {
61: $found_me = 1;
62: }
63: if (exists $fragmentLabels{$label} ) {
64: print("***ERROR: '$label' in both $fragmentLabels{$label} " .
65: "and $file. \n");
66: $error++;
67: }
68: $fragmentLabels{$label} = $file;
69: }
70: if (!$found) {
71: $error++;
72: print("***ERROR: no labels in '$file'. \n");
73: }
74: if (!$found_me) {
75: $error++;
76: my ($needed_label) = ($file =~ m/(.*)\.tex/);
77: print("***ERROR: no labels for $needed_label in '$file'. \n");
78: }
79: }
80:
81: if ($error == 0) {
82: print("There were no duplicate labels. Database rebuilt.\n");
83: } else {
84: print("There were $error errors. You must correct the duplicate labels.\n");
85: exit(-1);
86: }
87:
88: untie(%fragmentLabels);
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