shell script to start jackd and jack_umidi for available devices

startjackd

#!/bin/sh

# my machine seems to not work with jack -- realtime
# some audio progs allow specifying realtime but don't 
# set --no-realtime without it
# so we start jack specifically with --no-realtime


if [ ! `pgrep -u $USER jackd | head -1` ]
then
    echo "Starting Jackd..."
    jackd --no-realtime -d oss &
    sleep 5
fi

getopts "qk" OPT

# stop any existing jack_umidi if requested
case ${OPT} in
    q) # quit nicely
        pkill -QUIT jack_umidi
        ;;
    k) # force quit
        pkill -9 jack_umidi
        ;;
esac

DEVLIST=`ls /dev | grep ^umidi | grep "\.0" | cut -c 6-9`

for DEV in ${DEVLIST}
do
    if [ ! `ps aux | grep jack_umidi | grep "umidi${DEV}" | awk '{print $2}'` ]
    then
        jack_umidi -C /dev/umidi${DEV} -B
    fi
done