amx_set-volume

# ====================================================
# AMX_Manager Copyright(C) 2018 Furkan Türkal
# This program comes with ABSOLUTELY NO WARRANTY; This is free software,
# and you are welcome to redistribute it under certain conditions; See
# file LICENSE, which is part of this source code package, for details.
# ====================================================

#!/bin/sh

change_volume() {
    killall dunst
    amixer -D pulse set Master "$1"
    notify-send -a 'AMX_Volume' -t 1000 -i notification-audio-volume-medium `amixer -D pulse get Master|tail -n1|sed -E 's/.*\[([0-9]+)\%\].*/\1/'`
}

main() {
  case "$1" in
    up)
      change_volume 5%+
      ;;
    down)
      change_volume 5%-
      ;;
    toggle)
      amixer -D pulse set Master 1+ toggle 
      notify-send -a 'AMX_Volume' -t 1000 -i notification-audio-volume-medium `amixer -D pulse get Master | tail -n1 | sed -E 's/.*\[([a-z]+)].*/\1/'`
      ;;
    *)
      printf "volume <command>\n"
      printf "          up \n"
      printf "         down\n"
	    printf "         toggle\n"
    esac
}

main "$@"