Use pamixer and dunst to create a volume indicator for DE-less setups

dunstMixer.sh

#!/bin/bash
# dunstMixer

msgId="3378423"

pamixer "$@" > /dev/null

volume="$(pamixer --get-volume)"
mute="$(pamixer --get-mute)"

if [[ $volume == 0 || "$mute" == "true" ]]; then
	dunstify -a "changeVolume" -u low -i audio-volume-muted -r "$msgId" "Volume muted" 
else
	dunstify -a "changeVolume" -u low -i audio-volume-high -r "$msgId" \
	-h int:value:"$volume" "Volume: ${volume}%"
fi

canberra-gtk-play -i audio-volume-change -d "changeVolume"