Kill trailing whitespace in ruby files

app/models/comment.rb

@@ -10,62 +10,62 @@ class Comment < ActiveRecord::Base
   after_destroy :update_last_commented_at
   attr_accessible :body, :post_id, :do_not_bump_post
   attr_accessor :do_not_bump_post
-  
+
   module SearchMethods
     def recent
       reorder("comments.id desc").limit(6)
     end
-    
+
     def body_matches(query)
       where("body_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split).order("comments.id DESC")
     end
-    
+
     def hidden(user)
       where("score < ?", user.comment_threshold)
     end
-    
+
     def visible(user)
       where("score >= ?", user.comment_threshold)
     end
-    
+
     def post_tags_match(query)
       joins(:post).where("posts.tag_index @@ to_tsquery('danbooru', ?)", query.to_escaped_for_tsquery_split)
     end
-    
+
     def for_creator(user_id)
       where("creator_id = ?", user_id)
     end
-    
+
     def for_creator_name(user_name)
       where("creator_id = (select _.id from users _ where lower(_.name) = lower(?))", user_name.downcase)
     end
-    
+
     def search(params)
       q = scoped
       return q if params.blank?
-      
+
       if params[:body_matches].present?
         q = q.body_matches(params[:body_matches])
       end
-      
+
       if params[:post_tags_match].present?
         q = q.post_tags_match(params[:post_tags_match])
       end
-      
+
       if params[:creator_name].present?
         q = q.for_creator_name(params[:creator_name])
       end
-      
+
       if params[:creator_id].present?
         q = q.for_creator(params[:creator_id].to_i)
       end
-      
+
       q
     end
   end
-  
+
   extend SearchMethods
-  
+
   def initialize_creator
     self.creator_id = CurrentUser.user.id
     self.ip_addr = CurrentUser.ip_addr
@@ -79,7 +79,7 @@ class Comment < ActiveRecord::Base
   def creator_name
     User.id_to_name(creator_id)
   end
-  
+
   def updater_name
     User.id_to_name(updater_id)
   end
@@ -100,15 +100,15 @@ class Comment < ActiveRecord::Base
       Post.update_all(["last_commented_at = ?", created_at], ["id = ?", post_id])
     end
   end
-  
+
   def do_not_bump_post?
     do_not_bump_post == "1"
   end
-  
+
   def vote!(val)
     numerical_score = val == "up" ? 1 : -1
     vote = votes.create(:score => numerical_score)
-    
+
     if vote.errors.empty?
       if vote.is_positive?
         update_column(:score, score + 1)
@@ -119,7 +119,7 @@ class Comment < ActiveRecord::Base
 
     return vote
   end
-  
+
   def editable_by?(user)
     creator_id == user.id || user.is_janitor?
   end