From 32b8090ddb9fce168b0056ff042f7b3f73f95afa Mon Sep 17 00:00:00 2001
From: Chris Anderson <jchris@grabb.it>
Date: Sun, 1 Jun 2008 10:08:38 -0700
Subject: [PATCH] word count smaller chunks

---
 examples/word_count/word_count.rb | 50 +++++++++++++++----------------
 1 file changed, 25 insertions(+), 25 deletions(-)

diff --git a/examples/word_count/word_count.rb b/examples/word_count/word_count.rb
index 1ef9175..201f8bd 100644
--- a/examples/word_count/word_count.rb
+++ b/examples/word_count/word_count.rb
@@ -2,10 +2,10 @@ require File.dirname(__FILE__) + '/../../couchrest'
 
 couch = CouchRest.new("http://localhost:5984")
 db = couch.database('word-count-example')
-db.delete! rescue nil
-db = couch.create_db('word-count-example')
+# db.delete! rescue nil
+# db = couch.create_db('word-count-example')
 
-['da-vinci.txt', 'outline-of-science.txt', 'ulysses.txt'].each do |book|
+%w{america.txt da-vinci.txt outline-of-science.txt ulysses.txt}.each do |book|
   title = book.split('.')[0]
   puts title
   File.open(File.join(File.dirname(__FILE__),book),'r') do |file|
@@ -13,7 +13,7 @@ db = couch.create_db('word-count-example')
     chunk = 0
     while line = file.gets
       lines << line
-      if lines.length > 100
+      if lines.length > 10
         db.save({
           :title => title,
           :chunk => chunk, 
@@ -26,27 +26,27 @@ db = couch.create_db('word-count-example')
   end
 end
  
-word_count = {
-  :map => 'function(doc){
-    var words = doc.text.split(/\W/);
-    words.forEach(function(word){
-      if (word.length > 0) emit([word,doc.title],1);
-    });
-  }',
-  :reduce => 'function(key,combine){
-    return sum(combine);
-  }'
-}
-
-db.delete db.get("_design/word_count") rescue nil
-
-db.save({
-  "_id" => "_design/word_count",
-  :views => {
-    :count => word_count,
-    :words => {:map => word_count[:map]}
-  }
-})
+# word_count = {
+#   :map => 'function(doc){
+#     var words = doc.text.split(/\W/);
+#     words.forEach(function(word){
+#       if (word.length > 0) emit([word,doc.title],1);
+#     });
+#   }',
+#   :reduce => 'function(key,combine){
+#     return sum(combine);
+#   }'
+# }
+# 
+# db.delete db.get("_design/word_count") rescue nil
+# 
+# db.save({
+#   "_id" => "_design/word_count",
+#   :views => {
+#     :count => word_count,
+#     :words => {:map => word_count[:map]}
+#   }
+# })
 
 puts "The books have been stored in your CouchDB. To initiate the MapReduce process, visit http://localhost:5984/_utils/ in your browser and click 'word-count-example', then select view 'words' or 'count'. The process could take about 15 minutes on an average MacBook."