Actually add the files for the new except scope.

lib/utility_scopes/except.rb

@@ -0,0 +1,21 @@
+module UtilityScopes
+  module Except
+
+    def self.included(within)
+
+      within.class_eval do
+
+        # Allow easy rejection of items. 
+        # Can take an a single id or ActiveRecord object, or an array of them
+        # Example: 
+        #   before   Article.all.reject{|a| a == @bad_article }
+        #   after    Article.except(@bad_article)
+        named_scope :except, lambda { |item_or_list|
+          # nil or empty array causes issues here with mysql
+          item_or_list.blank? ? {} : {:conditions => ["#{quoted_table_name}.#{primary_key} NOT IN (?)", item_or_list]}
+        }
+
+      end
+    end
+  end
+end

spec/except_spec.rb

@@ -0,0 +1,25 @@
+require File.join(File.dirname(__FILE__), *%w[abstract_spec])
+
+describe "except scope" do
+
+  before do
+    uses_fixture(:article)
+    # Stub these so it doesn't try to hit the (non-existant) database
+    ActiveRecord::Base.stub!(:quoted_table_name).and_return('articles')
+    ActiveRecord::Base.stub!(:primary_key).and_return('id')
+  end
+
+  it "should not change the scope with nil" do
+    Article.except(nil).proxy_options.should == {}
+  end
+
+  it "should return all items except the one specified" do
+    item = 123
+    Article.except(item).proxy_options.should == {:conditions => ['articles.id NOT IN (?)', item]}
+  end
+
+  it "should return all items except ones in the list specified" do
+    list = [123, 456, 7]
+    Article.except(list).proxy_options.should == {:conditions => ['articles.id NOT IN (?)', list]}
+  end
+end