wakeup-script-example

#!/bin/bash

# $ brew install sleepwatcher
# $ launchctl load ~/Library/LaunchAgents/de.bernhard-baehr.sleepwatcher-20compatibility-localuser.plist
# move this script to $HOME/.wakeup

SSID=$(/System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Resources/airport -I\
        | grep ' SSID:' | cut -d ':' -f 2 | tr -d ' ')

home_ssid='YOURHOME_SSID'
office_ssid='YOUROFFICE_SSID'

case $SSID in
    $office_ssid*  ) state="on";;
    $home_ssid*    ) state="off";;
esac

# set network proxystate with *man networksetup*
# eg. sudo networksetup -setautoproxystate Wi-Fi $state

awesome work!