pm-utils not working

view story

https://bbs.archlinux.org – I have pm-utils installed and upower and acpid services up and running.I have am example script like this:/etc/pm/power.d/00-brightness#!/bin/bash case $1 in true) echo "Enable screen power saving" echo 1 > /sys/class/backlight/acpi_video*/brightness ;; false) echo "Disable screen power saving" echo 15 > /sys/class/backlight/acpi_video*/brightness ;; esacand permissions are set to executable by everyone.If I run  "echo 1 > /sys/class/backlight/acpi_video*/brightness" from within su, it works just fine.Yet, nothing hap (HowTos)