--- a/rvinterf/etmsync/fsiomain.c	Sun Feb 23 20:27:15 2014 +0000
+++ b/rvinterf/etmsync/fsiomain.c	Sun Feb 23 21:31:30 2014 +0000
@@ -4,6 +4,8 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
+#include "exitcodes.h"
 
 char *socket_pathname = "/tmp/rvinterf_socket";
 int sock;
@@ -16,6 +18,7 @@
 	extern int optind;
 	extern char *optarg;
 	int c, sopt = 0;
+	char command[512];
 
 	while ((c = getopt(argc, argv, "B:l:p:s:w:")) != EOF)
 		switch (c) {
@@ -39,14 +42,14 @@
 		default:
 usage:			fprintf(stderr,
 				"usage: %s [options] [command]\n", argv[0]);
-			exit(1);
+			exit(ERROR_USAGE);
 		}
 	if (rvinterf_ttyport) {
 		if (sopt) {
 			fprintf(stderr,
 			"%s error: -p and -s options are mutually exclusive\n",
 				argv[0]);
-			exit(1);
+			exit(ERROR_USAGE);
 		}
 		launch_rvinterf();
 	} else {
@@ -54,10 +57,18 @@
 			fprintf(stderr,
 "%s error: -B, -l and -w options are meaningful only when launching rvinterf\n",
 				argv[0]);
-			exit(1);
+			exit(ERROR_USAGE);
 		}
 		connect_local_socket();
 	}
 
-
+	for (;;) {
+		if (isatty(0)) {
+			fputs("fsio> ", stdout);
+			fflush(stdout);
+		}
+		if (!fgets(command, sizeof command, stdin))
+			exit(0);
+		parse_and_dispatch_cmd(command, 0);
+	}
 }