Switch virtual desktop on three finger touchpad swipe with this bash script

three_finger_touchpad_desktop_switch.sh

#!/bin/bash

# ----------------------------------------------------------------------------
# Script Name: three_finger_touchpad_desktop_switch.sh
# Description: Switch desktops using a 3-finger swipe gesture
# Author: github.com/pipelinedave
# Version: 1.1
# Usage: sudo sh three_finger_touchpad_desktop_switch.sh
# Note: Update the "device" variable to point to your actual input device.
# ----------------------------------------------------------------------------

# Check if wmctrl is installed
if ! command -v wmctrl &> /dev/null; then
  echo "Hey, playa! wmctrl ain't installed. Get it via your package manager."
  exit 1
fi

# Your touchpad device (change to your actual device)
device="/dev/input/event6"

# Start the loop and capture libinput events
echo "Looping..."

libinput debug-events --device $device | while read -r line
do
  # Looking for 3-finger swipes
  gesture=$(echo "$line" | grep 'GESTURE_SWIPE_UPDATE' | awk '{ print $4 }')
  
  if [ "$gesture" = "3" ]; then
    # Get the vertical direction of the swipe
    direction=$(echo "$line" | grep 'GESTURE_SWIPE_UPDATE' | awk '{ print $7 }')
    
    # If swipe is up
    if [ -n "$direction" ] && (( $(echo "$direction > 0" | bc -l) )); then
      echo "Direction: up"
      wmctrl -s 0  # Switch to desktop 0
    # If swipe is down
    elif [ -n "$direction" ] && (( $(echo "$direction < 0" | bc -l) )); then
      echo "Direction: down"
      wmctrl -s 1  # Switch to desktop 1
    fi
  fi
done