# Email:
# ["m", "o", "c", ".", "l", "i", "a", "m", "g", "2", "+", "T", "F", "I", "H", "S", "o", "u", "l", ".", "m", "o", "t"].reverse.join

# 2010/03/12

1. Install ruby if you have not done so.
$sudo apt-get install ruby

2. Save the following scripts as rrrss.rb
 
#!/usr/bin/ruby 
# 2010/03/07
# Oscar night

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

def rss(rss_url)
80.times.to_a.each {print '^'}
puts
open(rss_url) do |http|
  response = http.read
  result = RSS::Parser.parse(response, false)
  puts result.channel.title.reverse
  80.times.to_a.each {print '^'}
  puts 
  result.items.each_with_index do |item,i|
    if i<=15 then
    # puts ". #{item.title.split(/ /).reverse.join(" ")}"  
    puts ". #{item.title}"  
    puts "    #{item.description}"
    puts 
    end
  end
end
end

urls =[]
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/front_page/rss.xml'
urls << 'http://rss.cbc.ca/lineup/topstories.xml'
urls << 'http://rss.cbc.ca/lineup/canada.xml'
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/technology/rss.xml'
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/health/rss.xml'
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/business/rss.xml'
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/asia-pacific/rss.xml'
urls << 'http://newsrss.bbc.co.uk/rss/newsonline_world_edition/uk_news/magazine/rss.xml'
urls << 'http://rss.cbc.ca/lineup/canada-calgary.xml'
# Add your favorite rss feeds

version = (RUBY_VERSION.split(/\./))[1].to_i
if version == 8 then
   u = urls.choice  # random choice in 1.8.7
elsif version == 9 then
  u = urls.sample  # random choice in 1.9 
end

rss(u) unless u.nil?
# urls.each {|u| rss(u) }

3. Add the following lines into ~/.vimrc
:imap <F6> <Esc>gg dG<CR>
:nmap <F6> <Esc>gg dG<CR>
:nmap <F5> <Esc>:r! /home/oracle/my_ruby/news/rrrss.rb<CR> 
:nmap <F4> <Esc>:set rl!<CR>

4. vi

5. Press F5 to load a RSS news

6. Press F6 to clean the screen

7. Press F5 to load anoterh RSS new 

8. Press F4 to rotate the text when your boss is coming to your desk.

Enjoy

Tom Luo