gistfile1.rb

  # The following responds to:
  #   /locations/nearby/45.513906/-122.645548
  #   /locations/nearby/45.513906/-122.645548/100
  #   /locations/nearby/45.513906/-122.645548/100/5
  #   /locations/nearby/45.513906/-122.645548/100/5.xml
  # The following urls work now:
  #   /locations/nearby/45.513906/-122.645548.xml
  #   /locations/nearby/45.513906/-122.645548/100.xml
  #
  # :range and :limit are intended to be optional

  map.with_options(
      :controller => 'locations', 
      :action => 'nearby', 
      :requirements => {
          :lat => /-?\d+\.\d+/,
          :lng => /-?\d+\.\d+/,
          :range => /\d*/,
          :limit => /\d*/
      },
      :range => 10,
      :limit => 10
    ) do |nearby|
      nearby.connect '/locations/nearby/:lat/:lng.:format'
      nearby.connect '/locations/nearby/:lat/:lng/:range.:format'
      nearby.connect '/locations/nearby/:lat/:lng/:range/:limit.:format'
  end