#!/bin/bash if ! hash lxpanelctl 2> /dev/null; then exit 0 fi CMD="lxpanelctl command volumealsabt stop >/dev/null" for PID in $(pgrep -x lxpanel); do eval "$(grep -z "DISPLAY=" "/proc/$PID/environ" | tr -d '\0')" user="$(ps -p "$PID" -o uname=)" su "$user" -c "$CMD" done