From 6b8caa232e2c1fa226769fb4afa1408f6fa17db2 Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Sun, 8 Apr 2012 18:54:23 -0500
Subject: [PATCH] only list md files

---
 knit | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/knit b/knit
index fb2294a..6175fdd 100755
--- a/knit
+++ b/knit
@@ -43,7 +43,7 @@ local({
   }
   
   # knit all md files under ./source
-  for (f in list.files('./source/', full.names = TRUE)) {
+  for (f in list.files('./source/', '\\.md$', full.names = TRUE)) {
     unlink(basename(f))
     knit(f, output = basename(f))
     # make sure you do not do stupid things (edit output instead of source)