--- loncom/interface/printout.pl	2004/03/15 19:26:49	1.40.2.3
+++ loncom/interface/printout.pl	2004/02/03 21:39:11	1.43
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
 #
-# $Id: printout.pl,v 1.40.2.3 2004/03/15 19:26:49 albertel Exp $
+# $Id: printout.pl,v 1.43 2004/02/03 21:39:11 sakharuk Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -32,7 +32,6 @@ use File::Path;
 use IO::File;
 use Image::Magick;
 
-my %origENV=%ENV;
 if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
     print <<END;
 Content-type: text/html
@@ -58,9 +57,9 @@ END
   my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};
   my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
   my $advans_role = $ENV{'cgi.'.$identifier.'role'};
+  my $back_ref = $ENV{'cgi.'.$identifier.'backref'};
+  my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;
 
-  #got what we needed reset ENV in case it is to big for system
-  %ENV=%origENV;
 
   my $figfile = $texfile;
   $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
@@ -68,6 +67,7 @@ END
   $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
   #do we have figures?
   if (-e $figfile) {
+      my %done_conversion;
       my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
       my @content_of_file = <$temporary_file>;
       close $temporary_file;  
@@ -90,6 +90,10 @@ END
 	      my $image = Image::Magick->new;
 	      $not_eps =~ s/^\s+//;
 	      $not_eps =~ s/\s+$//;
+	      if ( exists($done_conversion{$not_eps})) {
+		  next;
+	      }
+	      $done_conversion{$not_eps}=1;
 	      $status = $image->Read($not_eps);
 	      if ($status) {print "  $status  ";}
 	      $image->Set(page => '+100+200'); 
@@ -107,7 +111,16 @@ END
 	  }
       }
   }
-  #print "$texfile\n"; #name of the tex file for debugging only
+  #print "$texfile\n"; #name of the tex file for debugging only   
+  my @texfile=($texfile);
+  if ($number_of_files>1) {
+      for (my $i=1;$i<=$number_of_files-1;$i++) {
+	  my $new_texfile=$texfile;
+	  $new_texfile=~s/\.tex/_add$i\.tex/;
+	  push @texfile,$new_texfile;
+      } 
+  }
+foreach $texfile (@texfile) {
   if (-e $texfile) {
       $texfile =~ m/^(.*)\/([^\/]+)$/; 
       my $name_file = $2;
@@ -281,6 +294,7 @@ END
   } else {
       print "LaTeX file $texfile was not created successfully";
   }
+}