Annotation of doc/help/rebuildLabelHash.pl, revision 1.3

1.1       bowersj2    1: #!/usr/bin/perl
                      2: 
1.2       bowersj2    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: 
1.1       bowersj2   30: use strict;
                     31: use GDBM_File;
1.3     ! bowersj2   32: use File::Spec;
1.1       bowersj2   33: 
1.3     ! bowersj2   34: # I had to chdir, because neither glob nor bsd_glob accept globs
        !            35: # with ".." in them... sucky.
        !            36: chdir "../../loncom/html/adm/help/";
1.1       bowersj2   37: 
                     38: # if the topic hash exists, kill it
1.3     ! bowersj2   39: unlink 'fragmentLabels.gdbm' if ( -e 'fragmentLabels.gdbm' );
        !            40: print "Wiped old fragmentLabels.gdbm.\n";
1.1       bowersj2   41: 
1.3     ! bowersj2   42: tie (my %fragmentLabels, 'GDBM_File', 'fragmentLabels.gdbm', 1, 0);
1.1       bowersj2   43: my $error = 0;
                     44: 
1.3     ! bowersj2   45: chdir "tex";
1.1       bowersj2   46: 
1.3     ! bowersj2   47: foreach my $file ( glob("*.tex") ) 
1.1       bowersj2   48: {
                     49:     open F, $file;
1.3     ! bowersj2   50:     if ( index($file, "/") != "/" )
        !            51:     {
        !            52: 	$file = substr($file, index($file, "/") + 1);
        !            53:     } 
1.1       bowersj2   54:     my $contents = join("\n", <F>);
                     55:     my $label;
                     56:     
                     57:     # Search for labels, of the form '\label{labelname}'
                     58:     foreach $label ( $contents =~ /\\label\{([^}]*)\}/g )
                     59:     {
                     60: 	if (exists $fragmentLabels{$label} )
                     61: 	{
                     62: 	    print "***ERROR: '$label' in both $fragmentLabels{$label} " .
                     63: 	          "and $file. \n";
                     64: 	    $error = 1;
                     65: 	}
                     66: 	$fragmentLabels{$label} = $file;
                     67:     }
                     68: }
                     69: 
                     70: if ($error == 0)
                     71: {
                     72:     print "There were no duplicate labels. Database rebuilt.\n";
                     73: }
                     74: else
                     75: {
                     76:     print "There were errors. You must correct the duplicate labels.\n";
                     77: }
                     78: 
                     79: untie %fragmentLabels;

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