weather.rb

#!/usr/bin/env ruby
# original to : https://gist.github.com/yuhkikame/d2adf493c0308f247682
#
# // show all main weather data
# $ ruby weather.rb
# temp 32.39
# pressure 1006
# ...
#
# // show temp data only
# $ ruby weather.rb | grep -E "^temp\s+" | cut -d " " -f 2
# 32.39
#
require 'open-uri'
require 'json'

country  = ARGV[0] || "jp"
location = ARGV[1] || "tokyo"

uri = "http://api.openweathermap.org/data/2.5/weather?q=#{location},#{country}&units=metric"
weather = JSON.parse(open(uri).read)["main"]
%w(temp pressure humidity temp_min temp_max).each do |t|
  puts "#{t} #{weather[t]}"
end