gistfile1.rb

require 'paint'

namespace :sass do
  desc "Compile sass."
  task :compile do
    options = {
      :style  => :expanded,
      :cache  => false,
      :syntax => :scss,
      :load_paths => ['.','./scss']
    }    
    scss = File.read("scss/portal.scss")
    css  = Sass::Engine.new(scss, options).render
    compiled_css = "path/to/compiled.css"
    File.open(compiled, "w+") { |f| f.write(css) }
    puts Paint["Compiled", :green] + compiled_css
  end
end