Index: trunk/Ohana/src/opihi/cmd.data/init.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/init.c	(revision 29938)
+++ trunk/Ohana/src/opihi/cmd.data/init.c	(revision 31450)
@@ -130,4 +130,5 @@
 int vstats           PROTO((int, char **));
 int vroll            PROTO((int, char **));
+int vshift           PROTO((int, char **));
 int vpop             PROTO((int, char **));
 int vsmooth          PROTO((int, char **));
@@ -274,5 +275,6 @@
   {1, "vmaxwell",     vmaxwell,         "fit a Maxwellian to a vector"},
   {1, "vpop",         vpop,             "remove first element of a vector"},
-  {1, "vroll",        vroll,            "roll vector elements"},
+  {1, "vroll",        vroll,            "roll vector elements by 1 entry"},
+  {1, "vshift",       vshift,           "shift vector elements by arbitrary amount"},
   {1, "vsmooth",      vsmooth,          "Gaussian smooth of a vector"},
   {1, "vstats",       vstats,           "statistics on a vector"},