List Variables.tmCommand

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>beforeRunningCommand</key>
	<string>nop</string>
	<key>command</key>
	<string>#!/usr/bin/env ruby

require ENV['TM_SUPPORT_PATH'] + "/lib/ui"
require ENV['TM_SUPPORT_PATH'] + "/lib/exit_codes"

class Object
  def pass
    yield self if block_given?
  end
end

v = /^(\$[a-zA-Z0-9\-]+): ?(.*)/

STDIN.readlines[ 0, ENV[ 'TM_LINE_NUMBER' ].to_i ].select { |line| 
  line[ v ] 
}.map { |m|
  { 'title' =&gt; m[ v, 1 ], 'data' =&gt; m[ v, 2 ] }
}.pass do |s|
  case s.size
  when 0
    TextMate.exit_show_tool_tip "No variables declared before cursor in document."
  when 1
    print s[ 0 ][ 'title' ]
  else
    TextMate::UI.menu( s ).pass do |choice|
      unless choice.nil?
        print choice[ 'title' ]
      end
    end
  end
end</string>
	<key>input</key>
	<string>document</string>
	<key>name</key>
	<string>List Variables</string>
	<key>output</key>
	<string>afterSelectedText</string>
	<key>scope</key>
	<string>source.sass4as</string>
	<key>tabTrigger</key>
	<string>$</string>
	<key>uuid</key>
	<string>7E854E2B-6BC2-4C57-9FE5-8C91B74B0300</string>
</dict>
</plist>