Use variable for usb device to make it configurable more easily

diff --git a/munin/usb-wde1-log-last.sh b/munin/usb-wde1-log-last.sh
index 9603dce5e893822860a86f03bd8eb0e1cbc933f3..0b702de5a8a7ca8c3bba09c91464577ff5b09c46 100755 (executable)
--- a/munin/usb-wde1-log-last.sh
+++ b/munin/usb-wde1-log-last.sh
@@ -11,19 +11,21 @@
 #
 # FIXME: send RESET or INIT and M2
 
+device=/dev/ttyUSB0
+
 curdir="$(dirname "$0")"
 if [ "$1" = "--dummy-data" ]; then
     $curdir/../dummy-data-generator.php\
      | $curdir/log-single-line.sh /tmp/usb-wde1-last
 else
-    if [ ! -r /dev/ttyUSB0 ]; then
-        echo "Device /dev/ttyUSB0 is not readable"
+    if [ ! -r $device ]; then
+        echo "Device $device is not readable"
         exit 1
     fi
 
     #socat breaks something that leads to
     # WRONG VAL, WRONG CMD and FullBuff->Reset
     # errors
-    socat /dev/ttyUSB0,b9600,min=1,time=1,brkint=0,icrnl=0,ixoff=1,imaxbel=0,opost=0,isig=0,icanon=0,iexten=0,echo=0,echoe=0,echok=0 STDOUT\
+    socat $device,b9600,min=1,time=1,brkint=0,icrnl=0,ixoff=1,imaxbel=0,opost=0,isig=0,icanon=0,iexten=0,echo=0,echoe=0,echok=0 STDOUT\
      | $curdir/log-single-line.sh /tmp/usb-wde1-last
 fi