Alternate code for ruby tapas #131

Rakefile

source_files = Rake::FileList.new("**/*.md", "**/*.markdown") do |fl|
  fl.exclude("~*")
  fl.exclude(/^scratch\//)
  fl.exclude do |f|
    `git ls-files #{f}`.empty?
  end
end

task :default => :html
task :html => source_files.ext(".html")

source_for_html = ->(html_file) do
  source_files.detect{|f| f.ext('') == html_file.ext('')}
end

rule ".html" => source_for_html do |t|
  sh "pandoc -o #{t.name} #{t.source}"
end