r10r/book.html.erb

## book.html.erb
<html>
  <body>
    <p><%= @options[:title] %></p>
    <%= import("chapter.html.erb") %>
  </body>
</html>

## chapter.html.erb
<p><%= @options[:chapter] %></p>

## erb_template.rb
require "erb"
# require '../../config/application'

class ErbTemplate
  attr_accessor :options

  def initialize(template)
    @template = template
  end

  def render(output)
    write(import(@template), output)
  end

  def import(file)
    ERB.new(File.read(file)).result(binding)
  end

  def write(erb, output)
    File.open(output, 'w+') do |f|
      f << erb
    end
  end
end

## render_template.rb
require './erb_template'

ErbTemplate.new('book.html.erb').tap do |template|
  template.options = {
      :chapter => 'Chapter One',
      :title => 'The Neverending Story'
  }
  template.render('book.html')
end
	<html>
	<body>
	<p><%= @options[:title] %></p>
	<%= import("chapter.html.erb") %>
	</body>
	</html>
	require "erb"
	# require '../../config/application'

	class ErbTemplate
	attr_accessor :options

	def initialize(template)
	@template = template
	end

	def render(output)
	write(import(@template), output)
	end

	def import(file)
	ERB.new(File.read(file)).result(binding)
	end

	def write(erb, output)
	File.open(output, 'w+') do \|f\|
	f << erb
	end
	end
	end
	require './erb_template'

	ErbTemplate.new('book.html.erb').tap do \|template\|
	template.options = {
	:chapter => 'Chapter One',
	:title => 'The Neverending Story'
	}
	template.render('book.html')
	end