From 73b801a60cb6aa35dadd081292289a75e703112e Mon Sep 17 00:00:00 2001
From: "Michael G. Schwern" <schwern@pobox.com>
Date: Sun, 13 Jan 2002 16:00:07 -0500
Subject: [PATCH] Re: [ID 20020113.006] Cwd.pm uses uninitialized $ENV{PATH}   
 Message-Id: <20020114020007.GB2877@blackrider>

p4raw-id: //depot/perl@14253
---
 lib/Cwd.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Cwd.pm b/lib/Cwd.pm
index 63a14fd..0db9410 100644
--- a/lib/Cwd.pm
+++ b/lib/Cwd.pm
@@ -200,7 +200,9 @@ sub _backtick_pwd {
 
 unless(defined &cwd) {
     # The pwd command is not available in some chroot(2)'ed environments
-    if($^O eq 'MacOS' || grep { -x "$_/pwd" } split(':', $ENV{PATH})) {
+    if( $^O eq 'MacOS' || (defined $ENV{PATH} && 
+                           grep { -x "$_/pwd" } split(':', $ENV{PATH})) ) 
+    {
 	*cwd = \&_backtick_pwd;
     }
     else {
-- 
2.7.4