Index: trunk/Ohana/src/dvosplit/src/dvosplit.c
===================================================================
--- trunk/Ohana/src/dvosplit/src/dvosplit.c	(revision 33656)
+++ trunk/Ohana/src/dvosplit/src/dvosplit.c	(revision 33963)
@@ -140,5 +140,9 @@
     char line[2048];
     snprintf (line, 2048, "cp %s/Images.dat %s/Images.dat", CATDIR, OUTDIR);
-    system (line);
+    int status = system (line);
+    if (status) {
+      fprintf (stderr, "ERROR: failed to copy Images.dat\n");
+      exit (1);
+    }
   }