--- a/rnafold.xml	Tue Feb 03 04:59:51 2015 -0500
+++ b/rnafold.xml	Wed Feb 04 12:01:42 2015 -0500
@@ -68,13 +68,14 @@
     </inputs>
     <outputs>
         <data format="tabular" name="tabular_file"/>
-        <data format="txt" name="structure">
-            <discover_datasets pattern="(?P&lt;designation&gt;.+)_ss\.ps" ext="eps" visible="true"/>
-        </data>
-        <data format="txt" name="dotplot">
+        <collection name="sequence_outputs" type="list" label="rna_eps outputs">
+            <discover_datasets pattern="(?P&lt;designation&gt;.+)_ss\.ps" ext="eps" />
+        </collection>
+        <collection name="matrix_outputs" type="list" label="rna_eps outputs">
             <filter>measelect['pf'] is True</filter>
             <discover_datasets pattern="(?P&lt;designation&gt;.+)_dp\.ps" ext="rna_eps" visible="true"/>
-        </data>
+        </collection>
+          
     </outputs>
     <tests>
     </tests>