jack detect card from aplay and start

jack_start

#!/bin/sh

timeout=6
#card=3,0
# query card number from aplay
card=`aplay -l | sed -n '/Komplete/s/card\ \([0-9]\).*device \([0-9]\).*/hw:\1,\2/p'`
if [ -z $card ]
then
    echo "Komplete card not found"  
    exit
fi

echo ">>> Komplete audio card detected: $card"

# start clean
killall -9 jackd jackdbus

# start jack
# start through dbus interface
# use configuration in /home/recencyeffect/.config/jack/conf.xml
echo ">>> starting jack"
jack_control dps device $card
jack_control dpr capture
jack_control dpr playback
jack_control start
sleep $timeout