itunesSearch.rb

#!/usr/bin/env ruby
# coding: utf-8
#
# http://www.apple.com/itunes/affiliates/resources/documentation/itunes-store-web-service-search-api.html
#
require 'rubygems'
require 'json'
require 'open-uri'
require 'uri'

if ARGV.size < 1 then
	puts "Usage: #{$0} <Search Word>"
	exit 255
end
search_word = ARGV[0]

# smaple request
##  https://itunes.apple.com/search?term=game&country=JP
country='JP'
media='music'
attribute='songTerm'
limit=5
uri = URI.parse(
	"http://itunes.apple.com/search?"\
	"country=#{country}"\
	"&term=#{search_word}"\
	"&media=#{media}"\
	"&attribute=#{attribute}"\
	"&limit=#{limit}"
)

puts "Request: #{uri}"

doc = uri.read
resObj = JSON.parse(doc)
count = resObj['resultCount']
puts "取得件数: #{count}"
resObj['results'].each { |con|
	puts "============"
	puts "TrackName: #{con['trackName']}"
	puts "Artist: #{con['artistName']}"
	puts "Preview: #{con['previewUrl']}"
}