Generate html pages from Slim templates

Rakefile

require 'fileutils'

task :default => [:generate]

# put Slim templates under templates/ directory. run `rake generate` to generate html pages into public/ directory.

desc 'Generate html pages from Slim templates'
task :generate do
  base_path = File.dirname(__FILE__)
  templates_path = File.join(base_path, 'templates')
  public_dir = File.join(base_path, 'public')
  
  Dir.glob("#{templates_path}/**/*.slim").each do |path|
    output_path = File.join(public_dir, path[templates_path.length..-6])
    FileUtils.mkdir_p(File.dirname(output_path))
    
    File.open(output_path, 'w') do |file|                                 
      file.puts(Slim::Template.new(path,
                        :pretty => true,
                        :sections => true) { File.open(path, 'r').read }.render)
                            
    end
  end
end