dwmblocks/dwmblocks_scripts/dwm_volume

#!/bin/sh

vol="$(amixer get Master | tail -n1 | sed -r 's/.*\[(.*)%\].*/\1/')"

## if any argument
if [ $# -gt 0 ]; then
    stat="$(amixer get Master | tail -n1 | sed -r 's/.*\[(.*)].*/\1/')"
    if [[ $(echo $stat) == "on" ]]; then
    	echo "VOL $vol%"
    	exit
    fi
    echo "MUT $vol%"
    exit
fi


## just returns volume %
vol="$(amixer get Master | tail -n1 | sed -r 's/.*\[(.*)%\].*/\1/')"
echo -e "$vol"