Easy disable and enable touch pad from Bash

touchpad_manger.sh

#!/bin/bash
showUsage() {
        echo -e "Usage is /scripts/tochpad.sh [OPTIONS]\n\t-e To enable touch pad\n\t-d For Disable touch pad\n\t-h for this Help"
}

if [ "$#" -eq 0 ]
then
        showUsage
        exit 1
fi


while getopts "de" OPTION; do
        case $OPTION in
           e)
              echo "Enabling Touch Pad"
              xinput set-prop `xinput list | grep -i touchpad | cut -d'=' -f2 | awk '{print $1}'` 'Device Enabled' 1
              ;;
           d)
              echo "Disabling Touch Pad"
              xinput set-prop `xinput list | grep -i touchpad | cut -d'=' -f2 | awk '{print $1}'` 'Device Enabled' 0
              ;;

            *)
              showUsage
              exit 1
        esac
done