enable/disable VNC on Mac OSX (testing with OSX 10.9)

README.md

% vnc start
% vnc stop

vnc

#!/usr/bin/env ruby
## enable/disable VNC on Mac OSX (testing with OSX 10.9)

def show_current_status
  if system "sudo launchctl list | grep com.apple.screensharing > /dev/null" and
  system "sudo defaults read /var/db/launchd.db/com.apple.launchd/overrides.plist com.apple.screensharing -dict Disabled | grep 'Disabled = 0' > /dev/null"
    puts "VNC: enabled"
  else
    puts "VNC: disabled"
  end
end

def show_help
  app_name = File.basename $0
  STDERR.puts "% #{app_name} start  # enable VNC"
  STDERR.puts "% #{app_name} stop   # disable VNC"
  show_current_status
end

if ARGV.empty?
  show_help
  exit 1
end

enable = case ARGV.shift
         when "start" then true
         when "stop" then false
         else
           show_help
           exit 1
         end

system "sudo defaults write /var/db/launchd.db/com.apple.launchd/overrides.plist com.apple.screensharing -dict Disabled -bool #{!enable}"

if enable
  system "sudo launchctl load /System/Library/LaunchDaemons/com.apple.screensharing.plist"
else
  system "sudo launchctl unload /System/Library/LaunchDaemons/com.apple.screensharing.plist"
end

show_current_status