From e8423007cabf0e2267a21bca2f407de340a26611 Mon Sep 17 00:00:00 2001
From: Charles Martin <cpm@charlesmartin.com.au>
Date: Tue, 9 Jan 2018 16:55:18 +0100
Subject: [PATCH] now exits script after discover if in discovery mode

---
 myo_to_osc.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/myo_to_osc.py b/myo_to_osc.py
index 0263ebb..18cfadb 100644
--- a/myo_to_osc.py
+++ b/myo_to_osc.py
@@ -6,6 +6,7 @@
 import math
 import logging
 import argparse
+import sys
 from pythonosc import osc_message_builder
 from pythonosc import udp_client
 
@@ -87,8 +88,11 @@ def proc_battery(battery_level):
 m.add_imu_handler(proc_imu)
 m.add_battery_handler(proc_battery)
 
-if args.discover:  # Discovers Myos and prints addresses.
-    discover_myos(m.bt)
+if args.discover:  # Discovers Myos and prints addresses, then exits script.
+    results = discover_myos(m.bt)
+    if not results:
+        print("No Myos found.")
+    sys.exit()
 
 m.connect(address=args.address)  # connects to specific Myo unless arg.address is none.
 # Setup Myo mode, buzzes when ready.