Toggle IBM TrackPoint in Ubuntu

toggle-trackpoint.sh

#!/usr/bin/env bash
# toggle-trackpoint.sh

set -uoe pipefail

# xinput list

# ⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
# ⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
# ⎜   ↳ SynPS/2 Synaptics TouchPad              	id=14	[slave  pointer  (2)]
# ⎜   ↳ Logitech G500                           	id=9	[slave  pointer  (2)]
# ⎜   ↳ Logitech G500                           	id=10	[slave  pointer  (2)]
# ⎜   ↳ Lenovo ThinkPad Compact USB Keyboard with TrackPoint	id=11	[slave  pointer  (2)]
# ⎜   ↳ TPPS/2 IBM TrackPoint                   	id=15	[slave  pointer  (2)]
# ⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
#     ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
#     ↳ Power Button                            	id=6	[slave  keyboard (3)]
#     ↳ Video Bus                               	id=7	[slave  keyboard (3)]
#     ↳ Sleep Button                            	id=8	[slave  keyboard (3)]
#     ↳ AT Translated Set 2 keyboard            	id=13	[slave  keyboard (3)]
#     ↳ ThinkPad Extra Buttons                  	id=16	[slave  keyboard (3)]
#     ↳ Lenovo ThinkPad Compact USB Keyboard with TrackPoint	id=12	[slave  keyboard (3)]

dev=$(xinput list | grep 'IBM TrackPoint')
[[ $dev  =~ id=([0-9]+) ]]
id=${BASH_REMATCH[1]}

if xinput list-props 15 | grep 'Device Enabled' | grep '1$' > /dev/null; then
    xinput disable $id && echo Disabled $id
else
    xinput enable $id && echo Enabled $id
fi