Bash script to configure scrolling with xinput

natural_scrolling.sh

#!/bin/bash

# Enable "natural scrolling" (reverse mouse wheel) in Linux

# to debug
# set -x

# get the mouseid by filtering output of xinput --list
# matches id of first device with word "mouse"
mouseid=$(xinput --list | sed -E '/mouse/I!d;s/.*?mouse.*?id=([0-9]+).*/\1/i;q')
touchpadid=$(xinput list --id-only 'SYNA2393:00 06CB:7A13 Touchpad')

echo $mouseid
echo $touchpadid

# set natural scrolling property to given mouseid
xinput --set-prop $mouseid 'libinput Natural Scrolling Enabled' 0
xinput --set-prop $touchpadid 'libinput Natural Scrolling Enabled' 1