5 if [ $# != 4 ]; then cat >&2 <<END; exit 1; fi
7 ./program-cv /dev/ttyS0 DECODER-ADDR CV VALUE
8 where DECODER-ADDR, CV, VALUE are all decimal unless prefixed by 0x or 0.
15 ./hostside-old "$@" -s"$port" -i100 -w10000 cvwrite "$addr" "$cv" "$value"