generate an inline sprite.

inline_example.scss

@include "icon/*.png";

#{$icon-sprite-base-class} {
  background-image: inline-sprite($icon-sprites);
}

inline_sprites.rb

# copy this to your compass config.

module Sass::Script::Functions
  def sprite_path(map)
    Sass::Script::String.new("#{map.path}-s#{map.uniqueness_hash}.png")
  end
  declare :sprite_path, [:map]

  def inline_sprite(map)
    verify_map(map, "sprite-url")
    map.generate
    inline_image(sprite_path(map))
  end
  declare :inline_sprite, [:map]
end