quick hack to pull concepts, keywords or entities out of any url using AlchemyAPI

alc

#!/usr/bin/env ruby

# USAGE:
# 
# ./alc [action] [url]
# ex:
# ./alc keyword http://www.bbc.co.uk/news/magazine-31556802
# ./alc concept http://www.bbc.co.uk/news/magazine-31556802
# ./alc entity http://www.bbc.co.uk/news/magazine-31556802
# 
# Returns the top 10 of each

require 'json'
require 'open-uri'
require 'cgi'

if ARGV[0] == 'concept'
  alc_url = "http://access.alchemyapi.com/calls/url/URLGetRankedConcepts?apikey=a803288dc1c31d49824b2b88b5f9aaa0d438f2e5&url=#{CGI::escape(ARGV[1])}&outputMode=json"
  puts alc_url
  puts JSON.parse(open(alc_url).read)["concepts"].first(10).map{|c| c["text"] }
elsif ARGV[0] == 'keyword'
  alc_url = "http://access.alchemyapi.com/calls/url/URLGetRankedKeywords?apikey=a803288dc1c31d49824b2b88b5f9aaa0d438f2e5&url=#{CGI::escape(ARGV[1])}&outputMode=json"
  puts alc_url
  puts JSON.parse(open(alc_url).read)["keywords"].first(10).map{|c| c["text"] }
elsif ARGV[0] == 'entity'
  alc_url = "http://access.alchemyapi.com/calls/url/URLGetRankedNamedEntities?apikey=a803288dc1c31d49824b2b88b5f9aaa0d438f2e5&url=#{CGI::escape(ARGV[1])}&outputMode=json"
  puts alc_url
  puts JSON.parse(open(alc_url).read)["entities"].first(10).map{|c| "#{c['type']}: #{c['text']}" }
end