Index: /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/args.c
===================================================================
--- /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/args.c	(revision 35596)
+++ /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/args.c	(revision 35597)
@@ -21,4 +21,11 @@
   if ((N = get_argument (*argc, argv, "-check-only"))) {
     VERIFY = TRUE;
+    remove_argument (N, argc, argv);
+  }
+
+  /* extra error messages */
+  IMAGES_ONLY = FALSE;
+  if ((N = get_argument (*argc, argv, "-images-only"))) {
+    IMAGES_ONLY = TRUE;
     remove_argument (N, argc, argv);
   }
@@ -102,4 +109,5 @@
   PARALLEL_MANUAL = FALSE;
   PARALLEL_SERIAL = FALSE;
+  IMAGES_ONLY = FALSE;
 
   HOST_ID = 0;
Index: /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomerge.c
===================================================================
--- /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomerge.c	(revision 35596)
+++ /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomerge.c	(revision 35597)
@@ -14,4 +14,8 @@
 	exit (3);
       }
+      if (IMAGES_ONLY) {
+	fprintf (stderr, "ERROR : dvomerge (input1) and (input2) into (output) : not compatible with '-images-only'\n");
+	exit (5);
+      }
       dvomergeCreate (argc, argv);
     } else {
@@ -19,4 +23,8 @@
 	fprintf (stderr, "WARNING / ERROR : dvomerge (input) into (output) from (list) : VERIFY mode not implemented\n");
 	exit (3);
+      }
+      if (IMAGES_ONLY) {
+	fprintf (stderr, "ERROR : dvomerge (input) input (output) from (list) : not compatible with '-images-only'\n");
+	exit (5);
       }
       dvomergeFromList (argc, argv);
Index: /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate.c
===================================================================
--- /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate.c	(revision 35596)
+++ /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate.c	(revision 35597)
@@ -22,4 +22,8 @@
     if (strcasecmp (argv[4], "continue")) dvomerge_usage();
     CONTINUE = TRUE;
+    if (IMAGES_ONLY) {
+      fprintf (stderr, "-images-only is not compatible with the 'continue' option\n");
+      exit (5);
+    }
   }
   if (VERIFY) CONTINUE = TRUE;
Index: /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate_threaded.c
===================================================================
--- /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate_threaded.c	(revision 35596)
+++ /branches/eam_branches/ipp-20130509/Ohana/src/dvomerge/src/dvomergeUpdate_threaded.c	(revision 35597)
@@ -124,4 +124,8 @@
     if (strcasecmp (argv[4], "continue")) dvomerge_usage();
     CONTINUE = TRUE;
+    if (IMAGES_ONLY) {
+      fprintf (stderr, "-images-only is not compatible with the 'continue' option\n");
+      exit (5);
+    }
   }
 
@@ -183,4 +187,5 @@
   } else {
     dvomergeImagesUpdate (&IDmap, input, output);
+    if (IMAGES_ONLY) exit (0);
   }