lua-hammerspoon-switch-wifi-shortcut

author: [email protected]

Wi-Fi Auto Switcher with Retry Logic for Hammerspoon

This script automatically switches between predefined Wi-Fi networks with retry logic in case of connection failure. It is designed for use with Hammerspoon, a powerful automation tool for macOS.

Features

• Automatically switches between predefined Wi-Fi networks.
• Supports retrying the connection up to 3 times if the connection fails.
• Provides notifications to inform the user of the connection status.
• Simple hotkey (Cmd + Alt + Ctrl + W) to switch between Wi-Fi networks.

Prerequisites

• macOS
• Hammerspoon installed: Download Hammerspoon

Setup

1. Install Hammerspoon: If you haven't installed Hammerspoon yet, download it from here and follow the installation instructions.

2. Clone or download the script: Save the Lua script from this repository to your computer.

3. Add the script to Hammerspoon:

   • Open Hammerspoon and click the Hammerspoon icon in the top menu bar, then click Open Config.
   • Replace the contents of init.lua with the provided Lua code in this repository or add the code to your existing config file.

4. Define your Wi-Fi networks:

   • Update the wifi_networks table in the script to include your SSIDs and passwords:

   local wifi_networks = {
       { ssid = "Your_SSID_1", password = "Your_Password_1" },
       { ssid = "Your_SSID_2", password = "Your_Password_2" }
   }

5. Reload Hammerspoon Configuration:

   • After saving the script in init.lua, click the Hammerspoon icon in the top menu bar and choose Reload Config.
   • You can also reload the configuration by opening the Hammerspoon Console (Cmd + Alt + Ctrl + R) and typing:

     hs.reload()

Usage

• Press the hotkey combination Cmd + Alt + Ctrl + W to switch between the predefined Wi-Fi networks.
• The script will attempt to connect to the next Wi-Fi network in the list.
• If the connection fails, the script will retry up to 3 times, waiting 2 seconds between each attempt.

Hammerspoon Console

To check the output or debug the script, you can open the Hammerspoon Console with the following steps:

1. Open Hammerspoon Console:

   • Click on the Hammerspoon icon in the macOS menu bar and choose Console from the dropdown menu.
   • Alternatively, use the hotkey Cmd + Alt + Ctrl + R to open the console.

2. View logs:

   • The script logs the current Wi-Fi network, the target Wi-Fi network, and the result of the connection attempts in the console.

Example Log Output

Current WiFi Network: None
Switching to WiFi Network: Your_SSID_1
Successfully switched to Your_SSID_1