From fe9caf4a43f385c9fa25ccf946fba4aa68dd5b2c Mon Sep 17 00:00:00 2001
From: Jacob Harris <jharris@nytimes.com>
Date: Tue, 23 Jul 2013 14:41:31 -0400
Subject: [PATCH] Make the check that the Markov is not repeating existing
 sentence look at just letters (not punctuation)

---
 ebook.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ebook.rb b/ebook.rb
index 317c63c..0bd6209 100644
--- a/ebook.rb
+++ b/ebook.rb
@@ -76,7 +76,8 @@ else
       puts "MARKOV: #{tweet}"
     end
 
-    break if !tweet.nil? && tweet.length < 110 && !source_tweets.any? {|t| t =~ /#{tweet}/ }
+    tweet_letters = tweet.gsub(/\W/, '')
+    break if !tweet.nil? && tweet.length < 110 && !source_tweets.any? {|t| t.gsub(/\W/, '') =~ /#{tweet_letters}/ }
   end
   
   if params["tweet"]