From 442ef1e8f0bfd4b19a403ac82de7b54892683ded Mon Sep 17 00:00:00 2001
From: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date: Mon, 2 Jun 2008 15:00:51 -0500
Subject: [PATCH] Add file-extension word

---
 core/io/files/files.factor | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/io/files/files.factor b/core/io/files/files.factor
index 87e927304b..ff265e43b1 100755
--- a/core/io/files/files.factor
+++ b/core/io/files/files.factor
@@ -147,6 +147,9 @@ PRIVATE>
         ] if
     ] unless ;
 
+: file-extension ( filename -- extension )
+    "." last-split1 nip ;
+
 ! File info
 TUPLE: file-info type size permissions modified ;