mouse_sensitivity.sh

#!/bin/bash

# check for xinput
command -v xinput >/dev/null 2>&1 || { echo "install xinput" >&2; exit 1; }

# list pointers
list=`xinput list | grep "slave *pointer" | grep -vi "virtual core" | grep -vi "keyboard"`
count=`echo "$list" | wc -l`

echo "$list"

# get id
if [ "$count" -eq 1 ]; then
	id=`echo "$list" | grep "id=[0-9]\+" -o | sed 's/id=//' `
	echo "Using id=$id"
else
	echo "Enter a valid pointer id"
	read id
fi

echo 

# set sensitivity
while :; do
	curval=$(xinput list-props $id | grep "libinput Accel Speed" | cut -f 2 -d ':' | tr -d '[[:space:]]')
	echo "Current value is ${curval}. Enter a new sensitivity value (ctrl+c to quit):"
	read value
	xinput set-prop $id 'libinput Accel Speed' $value
done