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#!/bin/bash
# You can call this script like this:
# volumecontrol up
# volumecontrol down
# volumecontrol mute
function get_volume {
# amixer get Master | grep '%' | head -n 1 | cut -d '[' -f 2 | cut -d '%' -f 1
# pactl get-sink-volume @DEFAULT_SINK@ | grep -Po '\d+(?=%)' | head -n 1
pactl get-sink-volume @DEFAULT_SINK@ | grep '%' | cut -d '%' -f 1 | cut -d ' ' -f 6
}
function is_mute {
# amixer get Master | grep '%' | grep -oE '[^ ]+$' | grep off > /dev/null
pactl get-sink-mute @DEFAULT_SINK@ | grep 'Mute: yes' >> /dev/null
}
function send_notification {
volume=$(get_volume)
# Make the bar with the special character ─ (it's not dash -)
# https://en.wikipedia.org/wiki/Box-drawing_character
if [[ $volume == "100" ]]; then
icon=""
elif [[ $volume -ge "89" && $volume -le "100" ]]; then
icon=""
elif [[ $volume -ge "79" && $volume -le "90" ]]; then
icon=""
elif [[ $volume -ge "69" && $volume -le "80" ]]; then
icon=""
elif [[ $volume -ge "59" && $volume -le "70" ]]; then
icon=""
elif [[ $volume -ge "49" && $volume -le "60" ]]; then
icon=""
elif [[ $volume -ge "39" && $volume -le "50" ]]; then
icon=""
elif [[ $volume -ge "29" && $volume -le "40" ]]; then
icon=""
elif [[ $volume -ge "19" && $volume -le "30" ]]; then
icon=""
elif [[ $volume -ge "9" && $volume -le "20" ]]; then
icon=""
elif [[ $volume -gt "0" && $volume -le "10" ]]; then
icon=""
elif [[ $volume -eq "0" ]]; then
icon=""
# volume="M "
fi
bar=$(seq -s "─" $(($volume/5)) | sed 's/[0-9]//g')
# Send the notification
notify-send --hint=string:x-canonical-private-synchronous:volumecontrol -u normal "$icon $bar $volume"
}
case $1 in
up)
# Set the volume on (if it was muted)
# amixer set Master on > /dev/null
pactl set-sink-mute @DEFAULT_SINK@ 0
# Up the volume (+ 2%)
# amixer sset Master 2%+ > /dev/null
pactl set-sink-volume @DEFAULT_SINK@ +2%
send_notification
# canberra-gtk-play -i audio-volume-change
;;
down)
# amixer set Master on > /dev/null
pactl set-sink-mute @DEFAULT_SINK@ 0
# amixer sset Master 2%- > /dev/null
pactl set-sink-volume @DEFAULT_SINK@ -2%
send_notification
# canberra-gtk-play -i audio-volume-change
;;
mute)
# Toggle mute
# amixer set Master 1+ toggle > /dev/null
pactl set-sink-mute @DEFAULT_SINK@ toggle
if is_mute ; then
icon=""
notify-send --hint=string:x-canonical-private-synchronous:volumecontrol -u normal "$icon Audio Muted"
else
send_notification
# canberra-gtk-play -i audio-volume-change
fi
;;
*)
volume="$(get_volume)"
if [[ $volume == "100" ]]; then
icon=""
elif [[ $volume -ge "89" && $volume -le "100" ]]; then
icon=""
elif [[ $volume -ge "79" && $volume -le "90" ]]; then
icon=""
elif [[ $volume -ge "69" && $volume -le "80" ]]; then
icon=""
elif [[ $volume -ge "59" && $volume -le "70" ]]; then
icon=""
elif [[ $volume -ge "49" && $volume -le "60" ]]; then
icon=""
elif [[ $volume -ge "39" && $volume -le "50" ]]; then
icon=""
elif [[ $volume -ge "29" && $volume -le "40" ]]; then
icon=""
elif [[ $volume -ge "19" && $volume -le "30" ]]; then
icon=""
elif [[ $volume -ge "9" && $volume -le "20" ]]; then
icon=""
elif [[ $volume -gt "0" && $volume -le "10" ]]; then
icon=""
elif [[ $volume -eq "0" ]]; then
icon=""
volume="M "
fi
if is_mute; then
icon=""
volume="M "
fi
printf "%s" "$icon $volume%"
;;
esac
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