#!/bin/sh apply_settings () { sleep 2 xinput set-prop pointer:"Logitech USB Trackball" "libinput Natural Scrolling Enabled" 1 xinput set-prop pointer:"Logitech USB Trackball" "libinput Accel Speed" 1.000000 xinput set-prop pointer:"SteelSeries SteelSeries Rival 310 eSports Mouse" "libinput Accel Speed" 0.300000 xinput set-prop pointer:"ELECOM ELECOM TrackBall Mouse" "libinput Accel Speed" 0.300000 xinput set-prop pointer:"Logitech M705" "libinput Accel Speed" 1.000000 } apply_settings while true; do state=$(lsusb) && sleep 2 && [ "$state" != "$(lsusb)" ] && apply_settings; done