gistfile1.rb

# epub sample API
#
epub = EeePub.generate do
  title "sample"
  creaetor "jugyo", :role => 'aut'
  publisher 'jugyo.org'
  date '2010-05-07', :event=> "publication"
  uid 'http://example.com/book/foo', :scheme => "URL"

  item 'foo.html', :label => '1. foo'
  item 'bar.html', :label => '2. bar'
  assets 'css/foo.css'
  assets 'images/foo.jpg', 'images/bar.jpg'
end
epub.save('sample.epub')

gistfile2.rb

# epub sample API
#
epub = EeePub.generate do |e|
  e.title "sample"
  e.creaetor "jugyo", :role => 'aut'
  e.publisher 'jugyo.org'
  e.date '2010-05-07', :event=> "publication"
  e.uid 'http://example.com/book/foo', :scheme => "URL"

  e.item 'foo.html', :label => '1. foo' do |e2|
    e2.item 'foo2.html', :label => '1-1. foo aaa'
    e2.item 'foo3.html', :label => '1-2. foo bbb'
  end
  e.item 'bar.html', :label => '2. bar'

  e.assets 'css/foo.css'
  e.assets 'images/foo.jpg', 'images/bar.jpg'
end
epub.save('sample.epub')