#!/bin/sh
Echo() {
	printf '%s\n' "${*}"
}
Die() {
	Echo "${0##*/}: ${*}" >&2
	exit 1
}
EchoExec() {
	Echo "# ${*}"
	exec "${@}"
	Die "failed to exec ${1}"
}
mediaclient=`PATH="${PATH}${PATH:+:}/bin:/opt/bin" command -v mediaclient` \
	&& [ -n "${mediaclient}" ] || Die 'cannot find mediaclient executable'
case ${0} in
*video*)
	regexp='video[0-9]*'
	text='video';;
*radio)
	regexp='radio[0-9]*'
	text='radio';;
*)
	regexp='dvb\/adapter[0-9]*\/frontend[0-9]*'
	text='adapter';;
esac
regexp='\/dev\/'${regexp}
sedx='/'${regexp}'/{s/^.*\('${regexp}'\).*$/\1/p;q}'
device=`"${mediaclient}" -e | sed -n -e "${sedx}"`
[ -n "${device}" ] || Die "${mediaclient} -e returned no ${text} device"
EchoExec "${mediaclient}" -d "${device}" "${@}"