Return to render.texxml.pl CVS log

Up to [LON-CAPA] / doc / help

Another try at not hanging when LaTeX fails.

    1: # The LearningOnline Network with CAPA
    2: # Perl script to render texxml files to a dvi
    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: # 7-16-2002 Jeremy Bowers
   27: 
   28: use strict;
   29: use Fcntl;
   30: use POSIX qw(tmpnam);
   31: 
   32: if ( scalar(@ARGV) < 2 )
   33: {
   34:     print (<<USAGE);
   35: Usage: $0 texxml_file_name or
   36:        perl $0 -- texxml_file_name
   37:        where "texxml_file_name" does not include the .texxml suffix
   38: Output: texxml_file_name.dvi
   39: 
   40: $0 renders texxml files into dvi files by copying the tex file
   41: resulting from from texxml2latex.pl and the referenced eps files
   42: into a temporary directory and running LaTeX on the .tex file.
   43: 
   44: If a second argument is passed, it is used as the location of the 
   45: .eps files the document uses.
   46: 
   47: Must be run as somebody with permissions to write temp files and 
   48: access /home/httpd/html/adm/help/eps.
   49: USAGE
   50: 
   51:     exit();
   52: }
   53: 
   54: my $tmpdir = tmpnam();
   55: my $fileroot = $ARGV[1];
   56: my $epssource = "/home/httpd/html/adm/help/eps";
   57: 
   58: if ( defined ( $ARGV[2] ) ) # override eps source, for build on install
   59: {
   60:     $epssource = $ARGV[2];
   61: }
   62: 
   63: my $redir = ">& /dev/null"; # empty this for easier debugging
   64: 
   65: mkdir $tmpdir;
   66: 
   67: print "Converting texxml to tex...\n";
   68: system ( "perl texxml2latex.pl $fileroot.texxml > $tmpdir/$fileroot.tex" );
   69: 
   70: print "Copying .eps files...\n";
   71: system ( "cp $epssource/* $tmpdir/" );
   72: 
   73: # \scrollmode\input causes LaTeX to not stop on errors
   74: print "Running Latex...\n";
   75: system ( "cd $tmpdir; echo | latex $fileroot $redir; echo | latex $fileroot $redir; echo | latex $fileroot\ $redir; " );
   76: 
   77: print "Running dvips...\n";
   78: system ( "cd $tmpdir; dvips -f $fileroot.dvi > $fileroot.ps $redir " );
   79: 
   80: print "Copying ps file...\n";
   81: system ( "cp $tmpdir/$fileroot.ps .");
   82: 
   83: print "Clearing temp directory...\n";
   84: #system ( "rm -rf $tmpdir" );
   85: 
   86: if ( -e $fileroot . ".ps" )
   87: {
   88:     print "$fileroot.ps is ready.\n";
   89: }
   90: else
   91: {
   92:     print "Generationr of $fileroot.ps failed.\n";
   93: }