Turns instance parameters from xml into bash variables (for use on scalr instances)

scalr-xml2bash.sh

#!/bin/bash
source /usr/local/aws/lib/lib.sh

export $(
	ruby <<RUBY
	require 'rexml/document'

	doc = REXML::Document.new('`ec2_get_option_query_env list-role-params`')
	doc.elements.each('//param') do |ele|
		puts ele.attributes["name"].upcase + "=" + ele.elements[1].text
	end
RUBY
)