Volume

#!/bin/sh
amixer sset -c 0 Master $1
channels=`amixer get Master | grep channels: | awk '{printf $3}'`

if [ $channels = "Front" ]
then
#	mute=`amixer get Master | grep "Front Left:" | awk '{printf $7}' | cut -b2-4`	##Alsa
	mute=`amixer get Master | grep "Front Left:" | awk '{printf $6}' | cut -b2-4`	##Pulse
	volume=`amixer get Master | grep "Front Left:" | awk '{print ""$4""}'` 		##Alsa

elif [ $channels = "Mono" ]
then
	mute=`amixer get Master | grep Mono: | awk '{printf $6}' | cut -b2-4`
	volume=`amixer get Master | grep Mono: | awk '{print ""$3""}'`
fi

limits=`amixer get Master | grep Limits | awk '{print ""$5""}'`
volume_level=`expr $volume "*" 100 "/" $limits`

if [ $mute = "off" ]
then
	notify-send " " -i notification-audio-volume-muted -h int:value:0 -h string:x-canonical-private-synchronous:volume
else
if [ $volume_level -gt 70 ]
then
	notify-send " " -i notification-audio-volume-high -h int:value:$volume_level -h string:x-canonical-private-synchronous:volume &
elif [ $volume_level -gt 30 ]
then
	notify-send " " -i notification-audio-volume-medium -h int:value:$volume_level -h string:x-canonical-private-synchronous:volume &
elif [ $volume_level -gt 0 ]
then
	notify-send " " -i notification-audio-volume-low -h int:value:$volume_level -h string:x-canonical-private-synchronous:volume &
elif [ $volume_level = "0" ]
then
	notify-send " " -i notification-audio-volume-muted -h int:value:$volume_level -h string:x-canonical-private-synchronous:volume &
fi
fi