#!/bin/sh status=`sed "s/state: *//" /proc/acpi/ac_adapter/ACAD/state` case $status in "on-line") echo "AC Adapter Online" /usr/bin/spicctrl -b 255 beep -f 500 -n -f 1000 exit 0 ;; "off-line") echo "AC Adapter Offline" /usr/bin/spicctrl -b 64 beep -f 1000 -n -f 500 exit 0 ;; esac