--- loncom/interface/printout.pl	2004/03/15 19:26:49	1.40.2.3
+++ loncom/interface/printout.pl	2004/02/03 00:02:15	1.42
@@ -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 1.42 2004/02/03 00:02:15 albertel 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
@@ -59,15 +58,13 @@ END
   my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
   my $advans_role = $ENV{'cgi.'.$identifier.'role'};
 
-  #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/;
   my $duefile = $texfile;
   $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 +87,10 @@ 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');