preparation*: |

    def untabify(str, width=8)
      list = str.split(/\t/)
      last = list.pop
      sb = ''
      list.each do |s|
        column = (n = s.rindex(?\n)) ? s.length - n - 1 : s.length
        n = width - (column % width)
        sb << s << (' ' * n)
      end
      sb << last
      return sb
    end


recipes:

  - product:	notext.txt
    ingreds:	[ test-notext.yaml, Rookbook.yaml ]
    desc:       create 'notext.txt' from 'test-notext.yaml'
    method*: |
	require 'yaml'
	s = untabify(File.read(@ingred))
	list = []
	YAML.load_documents(s) { |ydoc| list << ydoc }
	list.flatten!
	entry = list.first
	ydoc = {}
	list.each do |hash|
	  %w[input output].each do |key|
	    hash[key].gsub!(/^\./, '') if hash.key?(key)
	  end
	  ydoc[hash['name']] = hash
	end
	text = entry['document']
	require 'erubis'
	eruby = Erubis::Eruby.new(text, :pattern=>'\[% %\]')
	#p ydoc.keys
	#puts eruby.src
	result = eruby.result(binding())
	File.open(@product, 'w') { |f| f.write(result) }