Ruby function for accessing the Viralheat sentiment API

get_sentiment.rb

require 'rubygems'
require 'sentiment_analysis'

def get_sentiment(text)
	sa = SentimentAnalysis::Client.new(:api_key => 'YOUR_API_KEY')
	sentiment = sa.review(:text => text, :format => :json) 
	# The limit on the text is 360 characters.

	return sentiment
end