NetBSD/etc/powerd/scripts/lid_switch

#!/bin/sh -
#
#	$NetBSD: lid_switch,v 1.4 2006/09/27 01:41:45 jnemeth Exp $
#
# Generic script for lid switch events.  We try to put the system to sleep.
#
# Arguments passed by powerd(8):
#
#	device event

case "${2}" in
pressed)
	if /etc/rc.d/apmd status >/dev/null ; then
		/usr/sbin/apm -S
	else
		/usr/sbin/apm -d -S
	fi
	exit 0
	;;
released)
	;;
*)
	logger -p warning "${0}: unsupported event ${2} on device ${1}" >&1
	exit 1
esac