Disable Touchpad

#!/usr/bin/env bash

SAVED_IFS=$IFS
IFS=$(echo -en "\n\b")

TOUCHPAD='ETPS/2 Elantech Touchpad'

for line in $(xinput list)
do
    if [[ "${line}" =~ "$TOUCHPAD" ]]
    then
        device_id=$(echo "${line#*id=}" | cut -f 1)
        xinput set-prop $device_id "Device Enabled" 0
    fi
done

IFS=$SAVED_IFS