Example of a Guardfile

Guardfile

guard 'coffeescript', :input => 'app', :output => 'public/javascripts/app', :cli => ''
guard 'coffeescript', :input => 'spec/coffeescripts', :output => 'spec/javascripts'

guard 'compass' do
  watch(/app\/stylesheets\/(.*)\.s[ac]ss/)
end

spec_location = "spec/coffeescripts/%s_spec"
guard 'jasmine-headless-webkit' do
  watch(%r{^spec/coffeescripts/(.*)_spec\..*}) { |m| newest_js_file(spec_location % m[1]) }
  watch(%r{^app/(.*)\..*}) { |m| newest_js_file(spec_location % m[1]) }
end

guard 'jammit' do
  watch(%r{^public/.+\.js})
  watch(%r{^public/.+\.css})
end

guard 'livereload', :apply_js_live => false do
  watch(%r{^public/.+\.js})
  watch(%r{^public/.+\.css})
end