--- loncom/interface/printout.pl	2006/12/07 22:12:19	1.116
+++ loncom/interface/printout.pl	2006/12/19 10:39:28	1.119
@@ -527,7 +527,7 @@ foreach $texfile (@texfile) {
 				     \%prog_state, $dvi_file);
 
 	      }
-	      &busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null",
+	      &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
 				 "for $status_statement dvips to repaginate",
 				 \%prog_state, $new_name_file);
 	      #
@@ -559,8 +559,7 @@ foreach $texfile (@texfile) {
 	      if (-e $missfonts_file) {
 		  #print("<br />Missing fonts file exists\n");
 		  &create_missing_fonts($missfonts_file);
-		  unlink($missfonts_file, \%prog_state);
-		  &busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null",
+		  &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
 				     "for $status_statement dvips generated missing fonts",
 				     \%prog_state, $new_name_file);
 	      }
@@ -606,6 +605,8 @@ foreach $texfile (@texfile) {
 #	  unlink @garb;
 	      unlink $duefile;
 	      print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>";
+	      unlink $missfonts_file;
+
 	  }
 	  if ($advanced_role) {  
 	      print "<br /><br />";
@@ -627,6 +628,7 @@ foreach $texfile (@texfile) {
 	      print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
 	      print "\n";
 	  }
+
       } else {
 	  #LaTeX successfully parsed tex file 
 	  $name_file =~ s/\.tex/\.dvi/;
@@ -668,8 +670,7 @@ foreach $texfile (@texfile) {
 	  if (-e $missfonts_file) {
 	      #print("<br />Missing fonts file exists\n");
 	      &create_missing_fonts($missfonts_file);
-	      unlink($missfonts_file, \%prog_state);
-	      &busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null",
+	      &busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null",
 				 "for $status_statement dvips generated missing fonts",
 				 \%prog_state, $new_name_file);
 	  }
@@ -759,6 +760,8 @@ foreach $texfile (@texfile) {
 	      print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>";
 	      print "\n";
 	  }
+	  unlink $missfonts_file;
+
       }  
   } else {
       print "LaTeX file $texfile was not created successfully";
@@ -962,16 +965,19 @@ sub create_missing_fonts {
     # Open and read in the font file..we'll read it into the array
     #  font_commands.
     #
-    my $font_handle = IO::File->new($fontfile);
+    open(my $font_handle, $fontfile);
     my @font_commands = <$font_handle>;
-    
+
+    # make the list contain each command only once
+    my %uniq;
+    @font_commands = map { $uniq{$_}++ == 0 ? $_ : () } @font_commands;
 
     #  Now process each command replacing the appropriate 8000's with
     #  600's ensuring that font names with 8000's in them are not corrupted.
     #  and if the --mfmode is not ljfour we turn it into ljfour.
     #   Then we execute the command.
     #
-
+    
     foreach my $command (@font_commands) {
 	#print("<br />Raw command: $command");
 	$command =~ s/ 8000/ 600/g;    # dpi directives.
@@ -988,7 +994,7 @@ sub create_missing_fonts {
 	$command = join(" ", (@cmdarray));
 
 	#print("<br />Creating fonts via command: $command");
-	&busy_wait_command("$command 1>dev/null 2>/dev/null",
+	&busy_wait_command("$command 1>/dev/null 2>/dev/null",
 			   "Creating missing font",
 			   $state, $command);