acpi tests v6

#!/bin/sh
# From http://hybrid-graphics-linux.tuxfamily.org/index.php?title=ACPI_calls
# Do not forget the backslash before
 ON='\_SB.PCI0.PEG0.PEGP._ON'
OFF='\_SB.PCI0.PEG0.PEGP._OFF'

if ! lsmod | grep -q acpi_call; then
    if ! sudo modprobe acpi_call; then
        echo "Failed to load acpi-call"
        [ "${0##/bin}" = "$0" ] && exit || return
    fi
fi

load()  { sudo modprobe nvidia-current;}
unload(){ sudo rmmod nvidia;}
on()  { echo "$ON"  | sudo tee /proc/acpi/call >/dev/null;sudo cat /proc/acpi/call;}
off() { echo "$OFF" | sudo tee /proc/acpi/call >/dev/null;sudo cat /proc/acpi/call;}

# only run when not sourced
if [ "${0##/bin}" = "$0" ]; then
ran=false
run() { $ran&&echo "Press Enter"&&read&&sleep 2;echo "Running test $1";ran=true;}

run 1
on;load;unload;off

run 2
on;load;on;unload;off

run 3
on;load;off;unload

run 4
on;on;load;unload;off

run 5
off;on;load;unload;off

run 6
load;on;unload;off

run 7
load;on;load;unload;off

run 8
load;on;load;off;unload

on
fi