From 8a3c8d936d52621720f8d4c086a91fe3f25b36fd Mon Sep 17 00:00:00 2001
From: Markus Hitter <mah@jump-ing.de>
Date: Fri, 30 Sep 2011 15:10:48 +0200
Subject: [PATCH] sender-mac.sh: strip unwanted characters.

This apparently removes some confusion with line endings.
---
 sender-mac.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sender-mac.sh b/sender-mac.sh
index 9f0fd66..d15bbed 100755
--- a/sender-mac.sh
+++ b/sender-mac.sh
@@ -54,6 +54,16 @@
 DEV=$(echo /dev/tty.usbserial*)
 BAUD=115200
 
+
+function strip_text {
+  STRIP_TEXT=$(echo $1 | tr -d '\r\n')
+  STRIP_TEXT="${STRIP_TEXT## }"
+  STRIP_TEXT="${STRIP_TEXT%% }"
+  STRIP_TEXT="${STRIP_TEXT##\t}"
+  STRIP_TEXT="${STRIP_TEXT%%\t}"
+}
+
+
 if [ "${STY}" = "" ]; then
   # we're not inside a screen session, so
   # create one and restart our selfs
@@ -86,11 +96,14 @@ else
     # send line by line and wait for "ok" each time
     exec 3<> "$1"
     while read <&3 LINE; do
+      strip_text "$LINE" && LINE="$STRIP_TEXT"
       echo -n "$LINE" >&2
       echo $LINE
       OK=""
       while true; do
         read OK MESSAGE
+        strip_text "$OK" && OK="$STRIP_TEXT"
+        strip_text "$MESSAGE" && MESSAGE="$STRIP_TEXT"
         if [ $? -ne 0 ]; then
           # probably a disconnection from screen
           exit