1#!/bin/bash 2 3v=$1 4 5echo "Set HPOUT volume, range 0->33" 6 7if [ ! -n "$v" ] ; then 8 echo "please enter a volume" 9else 10 echo "set volume: $v" 11 amixer set "Output 2" $v 12 amixer get "Output 2" 13fi 14