Rake tasks to compress CSS/JS through YUI Compressor

Rakefile

require 'nanoc3/tasks'

desc 'Compress CSS files in output/style directory using YUI Compressor'
task :css do
  puts `find output/css -name '*.css' -exec java -jar ./lib/yuicompressor-2.4.2.jar --type css '{}' -o '{}' \\;`
end

desc 'Compress JavaScript files in output/script directory using YUI Compressor'
task :js do
  puts `find output/js -name '*.js' -exec java -jar ./lib/yuicompressor-2.4.2.jar --type js '{}' -o '{}' \\;`
end