Disable the Touchpad in Archlinux (on an T450s)

#!/bin/bash

device=`xinput | grep TouchPad | grep -o "id=.." | grep -o "[0-9]*"`
state=`xinput list-props "$device" | grep "Device Enabled" | grep -o "[01]$"`

if [ $state == '1' ];then
  xinput --disable $device
else
  xinput --enable $device
fi