From 49ddd12cc2583bc4781ac29bc1019e3ff810abd5 Mon Sep 17 00:00:00 2001
From: Robert Pankowecki <robert.pankowecki@gmail.com>
Date: Fri, 2 Mar 2012 00:39:02 +0100
Subject: [PATCH] Updated "Events" section in README to include example of hook
 for skipping post processing.

---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index f5d252671..2a972d908 100644
--- a/README.md
+++ b/README.md
@@ -259,6 +259,16 @@ _NOTE: Post processing will not even *start* if the attachment is not valid
 according to the validations. Your callbacks and processors will *only* be
 called with valid attachments._
 
+    class Message < ActiveRecord::Base
+      has_attached_file :asset, styles: {thumb: "100x100#"}
+      
+      before_post_process :skip_for_audio
+      
+      def skip_for_audio
+        return false if %w(audio/ogg application/ogg).include?(asset_content_type)
+      end
+    end
+
 URI Obfuscation
 ---------------