volume_wrapper.sh

#!/bin/bash
# print volume (for dwm)
volume_file=/tmp/.dwm/volume

# Create directory if non-existing
mkdir -p $(dirname $volume_file)

case $1 in
    up)
        amixer -q sset Master 1+ unmute
        volume=$(amixer get Master | awk -F'[]%[]' '/%/ {if ($7 == "off") { print " M" } else { print $2 }}' )
        echo "$volume" > $volume_file
        ;;
    down)
        amixer -q sset Master 1- unmute
        volume=$(amixer get Master | awk -F'[]%[]' '/%/ {if ($7 == "off") { print " M" } else { print $2 }}' )
        echo "$volume" > $volume_file
        ;;
    mute)
        amixer -q sset Master toggle
        volume=$(amixer get Master | awk -F'[]%[]' '/%/ {if ($7 == "off") { print " M" } else { print $2 }}' )
        echo "$volume" > $volume_file
        ;;
esac

# Change volume in statusbar
xsetroot -name "$(echo -e "$(cat /tmp/.dwm/ssid) $(cat /tmp/.dwm/wlan)\x03 | \x01B:$(cat /tmp/.dwm/battery)\x03 | \x01V:\x04$(cat /tmp/.dwm/volume)\x03 | \x04$(date +"%H:%M") ")"

exit 0