From 41ceaa5552199afc759dcf282a582ad0aee824e4 Mon Sep 17 00:00:00 2001
From: Matt Post <post@cs.jhu.edu>
Date: Thu, 6 Sep 2012 11:31:21 -0400
Subject: [PATCH] Hadoop CDPATH bugfix submitted by Lane Schwartz.

---
 scripts/training/pipeline.pl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/training/pipeline.pl b/scripts/training/pipeline.pl
index 10903b3de..f22d836af 100755
--- a/scripts/training/pipeline.pl
+++ b/scripts/training/pipeline.pl
@@ -32,6 +32,11 @@ BEGIN
 use CachePipe;
 # use Thread::Pool;
 
+# Hadoop uses a stupid hacker trick to change directories, but (per Lane Schwartz) if CDPATH
+# contains ".", it triggers the printing of the directory, which kills the stupid hacker trick.
+# Thus we undefine CDPATH to ensure this doesn't happen.
+delete $ENV{CDPATH};
+
 my $HADOOP = $ENV{HADOOP};
 
 my $THRAX = "$JOSHUA/thrax";