#!/bin/bash

if grep -q "\[on\]" <(amixer get Master); then
    current="$(amixer get Master | sed -n '/%/s/.*\[\(.*\)%\].*/\1/p' | head -1)"
    if (( current <= 25 )); then
        echo "none"
    elif (( current <= 50 )); then
        echo "low"
    elif (( current <= 75 )); then
        echo "medium"
    else
        echo "high"
    fi
else
    echo "mute"
fi