#!/usr/bin/perl
# The LearningOnline Network with CAPA
# Perl script to rebuild the topic->tex file hash
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# 7-16-2002 Jeremy Bowers
use strict;
use GDBM_File;
use File::Spec;
# I had to chdir, because neither glob nor bsd_glob accept globs
# with ".." in them... sucky.
chdir "../../loncom/html/adm/help/";
# if the topic hash exists, kill it
unlink 'fragmentLabels.gdbm' if ( -e 'fragmentLabels.gdbm' );
print "Wiped old fragmentLabels.gdbm.\n";
tie (my %fragmentLabels, 'GDBM_File', 'fragmentLabels.gdbm', 1, 0660);
my $error = 0;
chdir "tex";
foreach my $file ( glob("*.tex") )
{
open F, $file;
if ( index($file, "/") != "/" )
{
$file = substr($file, index($file, "/") + 1);
}
my $contents = join("\n", <F>);
my $label;
# Search for labels, of the form '\label{labelname}'
foreach $label ( $contents =~ /\\label\{([^}]*)\}/g )
{
if (exists $fragmentLabels{$label} )
{
print "***ERROR: '$label' in both $fragmentLabels{$label} " .
"and $file. \n";
$error = 1;
}
$fragmentLabels{$label} = $file;
}
}
if ($error == 0)
{
print "There were no duplicate labels. Database rebuilt.\n";
}
else
{
print "There were errors. You must correct the duplicate labels.\n";
}
untie %fragmentLabels;
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