#!/bin/rc

what=audio
if(~ $1 audio synth cd line mic speaker treb bass speed) {
	what=$1
	shift
}

old=`{cat '#A'/volume |grep '^'$what | sed 's/.* //'}
new=0
if(~ $#* 1) {
	if(~ $1 +* -*)
		new=`{echo $old $1 | hoc}
	if not
		new=$1
}

if(~ $what audio)
	echo mu $old
if not
	echo mu $what $old

echo $what' '$new >'#A'/volume