NerdTool RSS Script

#!/usr/bin/env ruby -rjcode -Ku

require 'rss/2.0'
require 'open-uri'
require 'time'

class RSSFetcher
  RED = "\033[1;31m"
  GREEN = "\033[32m"
  YELLOW = "\033[33m"
  BLUE = "\033[34m"
  MAGENTA = "\033[35m"
  CYAN = "\033[36m"
  WHITE = "\033[37m"
  DKGRAY="\033[0;30m"
  GRAY="\033[0;37m"
  DEFAULT="\033[0;39m"
  
  def parseFeed (url,length)
    res = nil
    open(url) do |http|
      response = http.read
      res = RSS::Parser.parse(response, false)
    end
    output = "#{GRAY}#{res.channel.title}\n"
    res.items.each_with_index {|item, i|
      if i < length.to_i
        pd = Time.parse("#{item.pubDate}")
        t = Time.now.strftime("%a") == pd.strftime("%a") ? GREEN : BLUE
        t += pd.strftime("%a %I:%M%p").gsub(/0(\d):/," \\1:").gsub /([AP]M)/ do 
          |w| w.downcase
        end
        output += "#{t} #{GRAY}#{item.title}\n"
      else
        break
      end
    }
    return output
  end

end

url = ARGV[0] ? ARGV[0] : "http://www.tuaw.com/rss.xml"
limit = ARGV[1] ? ARGV[1] : 10
print RSSFetcher.new.parseFeed(url,limit)