From 38b214971edf83b963e66daca3b0b016d24f56cb Mon Sep 17 00:00:00 2001
From: Ole Tange <ole@tange.dk>
Date: Sun, 18 Jan 2015 21:54:43 +0100
Subject: [PATCH] parallel: Fixed bug #43967: Error if there exists a bin/zsh
 or bin/bash dir (with zsh or bash).

---
 src/parallel | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/parallel b/src/parallel
index 48da1d3d..5b16b0e4 100755
--- a/src/parallel
+++ b/src/parallel
@@ -3141,7 +3141,8 @@ sub which {
     #   @full_path = full paths to @programs. Nothing if not found
     my @which;
     for my $prg (@_) {
-	push @which, map { $_."/".$prg } grep { -x $_."/".$prg } split(":",$ENV{'PATH'});
+	push @which, grep { not -d $_ and -x $_ } 
+	map { $_."/".$prg } split(":",$ENV{'PATH'});
     }
     return @which;
 }