Script for disabling touchscreen on linux (by kidnapping the input with evtest)

disable-touchscreen

#! /bin/env bash

device=$( cat /proc/bus/input/devices |
  awk '
  /"ELAN Touchscreen"/{ inside = 1 }
  /Handlers=/  { if(match($0,"event([0-9]+)",group))event = group[1] }
  /^$/         { if(inside && event!="")print "/dev/input/event" event
                 inside = 0; event = ""
  }')

if [ -n "$device" ]; then
  evtest --grab "$device" > /dev/null &
fi