Execute script in OSX when WiFi connects

README.md

Ported to ruby from https://github.com/rocco/osx-wifi-location-changer

####Install:

• Place script somewhere, make executable
• Adjust SSID -> Location map in script
• Update LocationChanger.plist with script path

####Register with OSX:

launchctl load LocationChanger.plist

location_update.rb

#!/usr/bin/env ruby

nl_map = {
  'default' => 'Automatic',
  'wintermute' => 'Home',
  'mosaik' => 'Work'
}

network = `networksetup -getairportnetwork en0`.chomp.strip.split(': ')[1].downcase

location = nl_map[network] || nl_map['default']

`scselect #{location}`

`say Connected to #{network}`

LocationChanger.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>

    <key>Label</key>
    <string>locationchanger</string>

    <key>ProgramArguments</key>
    <array>
        <string>/foo/bar/location_update.rb</string>
    </array>

    <key>WatchPaths</key>
    <array>
        <string>/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist</string>
    </array>

</dict>
</plist>