--- a/rvinterf/etmsync/dispatch.c	Mon Feb 24 07:27:37 2014 +0000
+++ b/rvinterf/etmsync/dispatch.c	Mon Feb 24 07:42:40 2014 +0000
@@ -61,6 +61,29 @@
 	return tp->func(ap - argv, argv);
 }
 
+dispatch_ready_argv(argc, argv)
+	char **argv;
+{
+	struct cmdtab *tp;
+
+	for (tp = cmdtab; tp->cmd; tp++)
+		if (!strcmp(tp->cmd, argv[0]))
+			break;
+	if (!tp->func) {
+		fprintf(stderr, "error: no such command\n");
+		return(ERROR_USAGE);
+	}
+	if (argc - 1 >= tp->maxargs) {
+		fprintf(stderr, "error: too many arguments\n");
+		return(ERROR_USAGE);
+	}
+	if (argc - 1 < tp->minargs) {
+		fprintf(stderr, "error: too few arguments\n");
+		return(ERROR_USAGE);
+	}
+	return tp->func(argc, argv);
+}
+
 cmd_exec(argc, argv)
 	char **argv;
 {

--- a/rvinterf/etmsync/fsiomain.c	Mon Feb 24 07:27:37 2014 +0000
+++ b/rvinterf/etmsync/fsiomain.c	Mon Feb 24 07:42:40 2014 +0000
@@ -62,6 +62,8 @@
 		connect_local_socket();
 	}
 
+	if (argv[optind])
+		return dispatch_ready_argv(argc - optind, argv + optind);
 	for (;;) {
 		if (isatty(0)) {
 			rx_control(0);