gistfile1.rb

require 'nokogiri'

if ARGV.size < 1
	puts "please enter the file to use"
	exit 1
end

storyboard = Nokogiri::XML(IO.read(ARGV[0]), &:noblanks).root
labels = storyboard.xpath("//label")
labels.each do |label|
	width = label.at_xpath("//rect")[:width].to_f
	label[:preferredMaxLayoutWidth] = width.to_s
end
puts storyboard.to_s