script to enable/disable touchpad, can be attached to keyboard shortcut

toggleTrouchPad.sh

#!/bin/sh
# disable/enable touchpad
# working for Ubuntu 14.04 on Dell 3000/Lenovo G50-80
# @author Engit

status=$(synclient -l | grep TouchpadOff | awk '{print $3}')

#if synclient returns nothing use xinput
synclient=1
if [ -z $status ]; then
	synclient=0
	echo 'Working with xinput...'
	id=$(xinput | grep -i touchpad | awk '{print $6}' | sed 's/.*id=\([0-9]*\).*/\1/');
	status=$(xinput list-props $id | grep Enabled | awk '{print $4}');
fi

message=''
if [ $status -eq 1 ];then
	status=0
	message="Disabled"
	if [ $synclient -eq 1 ];then
		message="Enabled"
	fi
else
	status=1
	message="Enabled"
	if [ $synclient -eq 1 ];then
		message="Disabled"
	fi
fi

killall notify-osd
if [ $synclient -eq 1 ];then
	synclient TouchpadOff=$status
else
	xinput set-prop $id "Device Enabled" $status
fi
notify-send -u critical -t 50 "Trackpad" $message
exit