mouse wheel direction toggle script for Linux

wheel_reverse.sh

#!/bin/bash

device_name="Logitech M705"
prop_name="Natural Scrolling Enabled"

device_number=$( xinput | grep "${device_name}" | awk -F '\t' '{ print $2 }' | awk -F '=' '{ print $2 }' | tr -d '[:blank:]' )

echo "device number is $device_number"

prop_number=$( xinput list-props $device_number | grep "${prop_name}" | head -n 1 | sed 's/.*(\(.*\)).*/\1/' )
echo "prop number is $prop_number"

prop_value=$( xinput list-props $device_number | grep "${prop_name}" | head -n 1 | sed 's/.*:\(.*\)/\1/' | tr -d '[:blank:]' )
echo "prop value is $prop_value"


if [ $prop_value = "0" ]; then
    new_value=1
    message="자연스러운 휠 방향으로 설정되었습니다."
else
    new_value=0
    message="자연스러운 휠 방향이 해제되었습니다."
fi

xinput set-prop $device_number $prop_number $new_value

zenity --info --title="Change Property" --text="$message" --width=400 --height=200