look-for-tweet.rb

#!/usr/bin/ruby

# Search a users previous 3200 for a keyword.

unless ARGV.size == 2
  puts "USAGE: look-for-tweet.rb username terms"
  Process.exit
end

username = ARGV.first
terms = ARGV.last

require 'rexml/document'
for i in (1..1000) do
  xml = `curl -s "http://twitter.com/statuses/user_timeline/#{username}.xml?count=200&page=#{i}"`
  doc = REXML::Document.new(xml)
  num_tweets = 0
  doc.elements.each('statuses/status') do |e|
    puts e.elements["text"].text if e.elements["text"].text[term]
    ++num_tweets
  end
  Process.exit unless num_tweets
end