Kill trailing whitespace in ruby files

app/logical/post_sets/post.rb

@@ -1,22 +1,22 @@
 module PostSets
   class Post < Base
     attr_reader :tag_array, :page, :per_page
-    
+
     def initialize(tags, page = 1, per_page = nil)
       @tag_array = Tag.scan_query(tags)
       @page = page
       @per_page = (per_page || Danbooru.config.posts_per_page).to_i
       @per_page = 200 if @per_page > 200
     end
-    
+
     def tag_string
       @tag_string ||= tag_array.uniq.join(" ")
     end
-    
+
     def humanized_tag_string
       tag_array.slice(0, 25).join(" ").tr("_", " ")
     end
-    
+
     def has_wiki?
       tag_array.size == 1 && ::WikiPage.titled(tag_string).exists?
     end
@@ -28,15 +28,15 @@ module PostSets
         nil
       end
     end
-    
+
     def has_deleted?
       CurrentUser.is_privileged? && tag_string !~ /status/ && ::Post.tag_match("#{tag_string} status:deleted").exists?
     end
-    
+
     def has_explicit?
       posts.any? {|x| x.rating == "e"}
     end
-    
+
     def posts
       if tag_array.size > 2 && !CurrentUser.is_privileged?
         raise SearchError.new("Upgrade your account to search more than two tags at once")
@@ -45,50 +45,50 @@ module PostSets
       if tag_array.any? {|x| x =~ /^source:.*\*.*pixiv/} && !CurrentUser.user.is_builder?
         raise SearchError.new("Your search took too long to execute and was canceled")
       end
-      
+
       @posts ||= begin
         temp = ::Post.tag_match(tag_string).paginate(page, :count => ::Post.fast_count(tag_string), :limit => per_page)
         temp.all
         temp
       end
     end
-    
+
     def has_artist?
       tag_array.any? && ::Artist.name_equals(tag_string).exists?
     end
-    
+
     def artist
       ::Artist.name_matches(tag_string).first
     end
-    
+
     def is_single_tag?
       tag_array.size == 1
     end
-    
+
     def is_empty_tag?
       tag_array.size == 0
     end
-    
+
     def is_pattern_search?
       tag_string =~ /\*/
     end
-    
+
     def current_page
       [page.to_i, 1].max
     end
-    
+
     def is_tag_subscription?
       tag_subscription.present?
     end
-    
+
     def tag_subscription
       @tag_subscription ||= tag_array.select {|x| x =~ /^sub:/}.map {|x| x.sub(/^sub:/, "")}.first
     end
-    
+
     def tag_subscription_tags
       @tag_subscription_tags ||= TagSubscription.find_tags(tag_subscription)
     end
-    
+
     def presenter
       @presenter ||= ::PostSetPresenters::Post.new(self)
     end