gistfile1.txt

#!/usr/bin/env bash

# You can call this script like this:
# $ ./volumeControl.sh up
# $ ./volumeControl.sh down
# $ ./volumeControl.sh mute

# Script modified from these wonderful people:
# https://github.com/dastorm/volume-notification-dunst/blob/master/volume.sh
# https://gist.github.com/sebastiencs/5d7227f388d93374cebdf72e783fbd6a

id=2593

function get_volume {
  amixer get Master | grep '%' | head -n 1 | cut -d '[' -f 2 | cut -d '%' -f 1
}

function is_audio_mute {
  amixer get Master | grep '%' | grep -oE '[^ ]+$' | grep off > /dev/null
}

function is_mic_mute {
  amixer get Capture | grep off > /dev/null
}

function send_notification {
  iconSound="audio-volume-high"
  iconMuted="audio-volume-muted"
  if is_audio_mute ; then
    dunstify -t 1000 -i $iconMuted -r $id -u normal "AUDIO: MUTE"
  else
    volume=$(get_volume)
    # Make the bar with the special character ─ (it's not dash -)
    # https://en.wikipedia.org/wiki/Box-drawing_character
    #bar=$(seq --separator="█" 0 "$((volume / 5))" | sed 's/[0-9]//g')
    # Send the notification
    dunstify -t 1000 -i $iconSound -r $id -u normal "VOLUME: $volume%  "
  fi
}

function send_mic_notification {
  icon="audio-input-microphone"
  if is_mic_mute ; then
    dunstify -t 1000 -i $icon -r $id -u normal "MICROPHONE: MUTE  "
  else
    dunstify -t 1000 -i $icon -r $id -u normal "MICROPHONE: ON  "
  fi
}

case $1 in
  up)
    # set the volume on (if it was muted)
    amixer -D pulse set Master on > /dev/null
    # up the volume (+ 5%)
    amixer -D pulse sset Master 5%+ > /dev/null
    send_notification
    ;;
  down)
    amixer -D pulse set Master on > /dev/null
    amixer -D pulse sset Master 5%- > /dev/null
    send_notification
    ;;
  toggle)
    # toggle audio
    amixer -D pulse set Master toggle > /dev/null
    send_notification
    ;;
  mic)
    # toggle mic
    amixer -D pulse set Capture toggle > /dev/null
    send_mic_notification
    ;;
esac