From e644e2f9b18308797a1645b24ffb4326354cc74c Mon Sep 17 00:00:00 2001
From: Simon John <git@the-jedi.co.uk>
Date: Thu, 13 Jun 2013 14:55:40 +0200
Subject: [PATCH] fix for issue #52 - serial monitor baudrate detection

new regex tested on debian and mountain lion
---
 arduino-mk/Arduino.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arduino-mk/Arduino.mk b/arduino-mk/Arduino.mk
index efa3bd6..6577563 100644
--- a/arduino-mk/Arduino.mk
+++ b/arduino-mk/Arduino.mk
@@ -561,7 +561,7 @@ endif
 ifndef MONITOR_BAUDRATE
     # This works only in linux. TODO: Port it to MAC OS also
     # https://github.com/sudar/Arduino-Makefile/issues/52
-    SPEED = $(shell grep --max-count=1 --regexp="Serial.begin" $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS) | sed -e 's/\t//g' -e 's/\/\/.*$$//g' -e 's/(/\t/' -e 's/)/\t/' | awk -F '\t' '{print $$2}' )
+    SPEED = $(shell egrep -h 'Serial.begin\([0-9]+\)' $(LOCAL_PDE_SRCS) $(LOCAL_INO_SRCS) | sed -e 's/[^0-9]//g'| head -n1)
     MONITOR_BAUDRATE = $(findstring $(SPEED),300 1200 2400 4800 9600 14400 19200 28800 38400 57600 115200)
 
     ifeq ($(MONITOR_BAUDRATE),)