Index: trunk/ippTasks/diff.pro
===================================================================
--- trunk/ippTasks/diff.pro	(revision 27015)
+++ trunk/ippTasks/diff.pro	(revision 27020)
@@ -182,4 +182,5 @@
     book getword diffSkyfile $pageName dbname -var DBNAME
     book getword diffSkyfile $pageName reduction -var REDUCTION
+    book getword diffSkyfile $pageName diff_mode -var DIFF_MODE
 
     # set the host and workdir based on the skycell hash
@@ -191,6 +192,17 @@
     # $WORKDIR = $WORKDIR_TEMPLATE
 
+    if ($DIFF_MODE == 2)
+	$DIFF_TAG = "WS."
+    else if ($DIFF_MODE == 3)
+	$DIFF_TAG = "SW."
+    else if ($DIFF_MODE == 4)
+	$DIFF_TAG = "SS."
+    else 
+# if (($DIFF_MODE == 1)||("$DIFF_MODE" == "NULL")) 
+	$DIFF_TAG = ""
+    end
+
     basename $TESS_DIR -var TESS_ID
-    sprintf outroot "%s/%s/%s/%s.%s.dif.%s" $WORKDIR $TESS_ID $SKYCELL_ID $TESS_ID $SKYCELL_ID $DIFF_ID
+    sprintf outroot "%s/%s/%s/%s.%s.%sdif.%s" $WORKDIR $TESS_ID $SKYCELL_ID $TESS_ID $SKYCELL_ID $DIFF_TAG $DIFF_ID
 
     stdout $LOGDIR/diff.skycell.log