--- loncom/interface/printout.pl	2007/01/19 20:22:33	1.120
+++ loncom/interface/printout.pl	2007/02/22 01:00:13	1.121
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
 #
-# $Id: printout.pl,v 1.120 2007/01/19 20:22:33 albertel Exp $
+# $Id: printout.pl,v 1.121 2007/02/22 01:00:13 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -188,9 +188,9 @@ END
 print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />";
 
   my $figfile = $texfile;
-  $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
+  $figfile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.dat/;
   my $duefile = $texfile;
-  $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
+  $duefile =~ s/^(.*_printout)_\d+_\d+_\d+\.tex/$1\.due/;
   #do we have figures?
   # print "Figure file: $figfile\n";
   if (-e $figfile) {