Get weather from Openweathermap

temperature.rb

require "rubygems"
require "json"
require "net/http"
require "uri"

location = ARGV.join("%20")
location = "Helsinki,Finland" if location.nil? || location.empty?
uri = URI.parse("http://api.openweathermap.org/data/2.5/weather?q=" + location)

http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Get.new(uri.request_uri)

response = http.request(request)

if response.code == "200"
	result = JSON.parse(response.body)
	name = result["name"]
	temperature = result["main"]["temp"] - 273.15
	temperature_max = result["main"]["temp_max"]
	temperature_min = result["main"]["temp_min"]
	pressure = result["main"]["pressure"]
	humidity = result["main"]["humidity"]
else
	puts "ERROR!!!"
end


print("Weather at ", name, ":\n")
print("Temperature \t", temperature, " °C\n")
print("Pressure \t", pressure, " hPa\n")
print("Humidity \t", humidity, " %\n")