From c4d713b6bbb1a61f65583de32112756200231d5e Mon Sep 17 00:00:00 2001
From: Jonathan Rudenberg <jonathan@titanous.com>
Date: Thu, 17 Nov 2011 14:08:57 -0500
Subject: [PATCH] Add modulo filter

---
 lib/liquid/standardfilters.rb       | 4 ++++
 test/liquid/standard_filter_test.rb | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/lib/liquid/standardfilters.rb b/lib/liquid/standardfilters.rb
index 46e949d9..99bfa336 100644
--- a/lib/liquid/standardfilters.rb
+++ b/lib/liquid/standardfilters.rb
@@ -218,6 +218,10 @@ module Liquid
       to_number(input) / to_number(operand)
     end
 
+    def modulo(input, operand)
+      to_number(input) % to_number(operand)
+    end
+
     private
 
       def to_number(obj)
diff --git a/test/liquid/standard_filter_test.rb b/test/liquid/standard_filter_test.rb
index 89b43384..2ee7ae8d 100644
--- a/test/liquid/standard_filter_test.rb
+++ b/test/liquid/standard_filter_test.rb
@@ -173,6 +173,10 @@ class StandardFiltersTest < Test::Unit::TestCase
     assert_template_result "Liquid error: divided by 0", "{{ 5 | divided_by:0 }}"
   end
 
+  def test_modulo
+    assert_template_result "1", "{{ 3 | modulo:2 }}"
+  end
+
   def test_append
     assigns = {'a' => 'bc', 'b' => 'd' }
     assert_template_result('bcd',"{{ a | append: 'd'}}",assigns)