UTF-weather.rb

#!/usr/bin/env ruby
# This file is on GitHub as a gist, at http://gist.github.com/293054.

WEATHER_STATION = "Glostrup" # Edit this, obviously.

begin
  require 'open-uri'
  require 'hpricot'
rescue LoadError
  # To ensure the ability to use rubygems without specifying it, while still
  # avoid stinks. Also, this line rocks.
  require 'rubygems' and retry or raise
end

# This could be spruced up with some moon stuff. If your prompt suddenly
# starts spewing English at you instead of pretty 8×16 pictograms, add the
# relevant missing symbol here. Oh yeah, and add them on GitHub :D
Symbols = {
                  "" => "‽",
               "Fog" => "☕",
              "Rain" => "☔",
              "Snow" => "☃",
             "Clear" => "☉",
            "Cloudy" => "☁",
           "Drizzle" => "☂",
          "Overcast" => "☁",
        "Heavy Rain" => "☔",
        "Heavy Snow" => "☃",
        "Light Rain" => "☂",
        "Light Snow" => "☃",
      "Rain Showers" => "☔",
      "Mostly Sunny" => "☀",
      "Partly Sunny" => "☼",
      "Thunderstorm" => "☇",
     "Mostly Cloudy" => "☁",
     "Partly Cloudy" => "☁",
    "Chance of Rain" => "☂",
  "Freezing drizzle" => "☃"
}
Symbols.replace Hash[*Symbols.map{ |k,v| [k.downcase, v] }.flatten]

destination = $stdout
destination = File.open ARGV[0], 'w' if ARGV[0] and File.writable? ARGV[0]
begin
  data = Hpricot open('http://www.google.co.uk/ig/api?weather=' + WEATHER_STATION)
  weather = data.at('current_conditions/condition')[:data].downcase
  destination.write Symbols[weather] || weather
rescue Exception
  destination.write "☹" # Sadface is sad ☹
end