--- loncom/homework/externalresponse.pm	2014/12/07 02:48:55	1.30
+++ loncom/homework/externalresponse.pm	2014/12/07 19:45:08	1.31
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # external style responses
 #
-# $Id: externalresponse.pm,v 1.30 2014/12/07 02:48:55 raeburn Exp $
+# $Id: externalresponse.pm,v 1.31 2014/12/07 19:45:08 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -261,12 +261,18 @@ sub end_externalresponse {
 		&Apache::lonhomework::showhash(%form);
                 my $udom = &Apache::lonnet::EXT('user.domain');
                 my $uname = &Apache::lonnet::EXT('user.name');
-                my $symb = $env{'resource.symb'};
+                my $symb = &Apache::lonnet::symbread();
                 my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},$udom,$uname);
 		my $ua = LWP::UserAgent->new;
 		my $res = $ua->request(POST $url, \%form);
                 my @delaccess = keys(%currently_turned_in);
                 &Apache::lonnet::automated_portfile_access('ip',undef,\@delaccess,\%info);
+                my @submitted_portfiles = split(/,/,$Apache::lonhomework::results{"resource.$part.$id.portfiles"}); 
+                my @versioned_portfiles;
+                &Apache::lonnet::portfiles_versioning($symb,$udom,$uname,\@submitted_portfiles,
+                                                      \@versioned_portfiles);
+                $Apache::lonhomework::results{"resource.$part.$id.portfiles"} =
+                    join(',',@versioned_portfiles); 
 		%Apache::loncapagrade::results=();
 		$Apache::lonhomework::results{"resource.$part.$id.submission"}=$response;
 		if ($res->is_error()) {