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Annotation of doc/help/rebuildLabelHash.pl, revision 1.7

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.
1.7     ! albertel   36: chdir("../../loncom/html/adm/help/");
1.1       bowersj2   37: 
                     38: # if the topic hash exists, kill it
1.7     ! albertel   39: unlink('fragmentLabels.gdbm') if ( -e 'fragmentLabels.gdbm' );
        !            40: print("Wiped old fragmentLabels.gdbm.\n");
1.1       bowersj2   41: 
1.6       albertel   42: tie (my %fragmentLabels, 'GDBM_File', 'fragmentLabels.gdbm', &GDBM_WRCREAT(), 0660);
1.1       bowersj2   43: my $error = 0;
                     44: 
1.7     ! albertel   45: chdir("tex");
1.1       bowersj2   46: 
1.7     ! albertel   47: foreach my $file ( glob("*.tex") ) {
        !            48:     open(F, $file);
        !            49:     if ( index($file, "/") != "/" ) {
1.3       bowersj2   50: 	$file = substr($file, index($file, "/") + 1);
                     51:     } 
1.1       bowersj2   52:     my $contents = join("\n", <F>);
                     53:     my $label;
1.7     ! albertel   54: 
        !            55:     my $found=0;
        !            56:     my $found_me=0;
1.1       bowersj2   57:     # Search for labels, of the form '\label{labelname}'
1.7     ! albertel   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++;
1.1       bowersj2   67: 	}
                     68: 	$fragmentLabels{$label} = $file;
                     69:     }
1.7     ! albertel   70:     if (!$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:     }
1.1       bowersj2   79: }
                     80: 
1.7     ! albertel   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);
1.1       bowersj2   86: }
                     87: 
1.7     ! albertel   88: untie(%fragmentLabels);