From e3c3f538470a3ef7df4289f63841b8c9c9571523 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@chiark.greenend.org.uk>
Date: Fri, 11 Apr 2003 15:09:40 +0000
Subject: [PATCH 1/1] pwhich: Cope with zero-length elements in $PATH.

---
 pwhich | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pwhich b/pwhich
index 30d4c67..ebb54c3 100755
--- a/pwhich
+++ b/pwhich
@@ -14,7 +14,10 @@ for PROGRAM in "$@"; do
    ;;
   *)
    for ELEMENT in $PATH; do
-    if [ -x "$ELEMENT/$PROGRAM" ]; then
+    if [ -z "$ELEMENT" ]; then
+     ELEMENT=.
+    fi
+    if [ -f "$ELEMENT/$PROGRAM" ] && [ -x "$ELEMENT/$PROGRAM" ]; then
      printf '%s\n' "$ELEMENT/$PROGRAM"
      RET=0
      break
-- 
2.30.2