From 70e9e2b9a6f567f184f41cd426e224dbe14b4d0d Mon Sep 17 00:00:00 2001
From: Arturo Castro <arturo.castrop@live.com>
Date: Mon, 3 Jul 2017 15:14:40 +0000
Subject: [PATCH] POSIX compatibility, for bash alternatives (eg. dash, mksh,
 etc), may be related to commit b89095930f3b56c61395589aa389080f82a839d4

---
 bd | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/bd b/bd
index 2a9093e..d0876a7 100755
--- a/bd
+++ b/bd
@@ -1,4 +1,4 @@
-#! /bin/bash
+#! /bin/sh
 usage_error () {
   cat << EOF
 ------------------------------------------------------------------
@@ -33,10 +33,12 @@ newpwd() {
   esac
 }
 
+for last; do true; done
+
 if [ $# -eq 0 ]
 then
   usage_error
-elif [ "${@: -1}" = -v ]
+elif [ $last = -v ]
 then
   usage_error
 else
@@ -53,3 +55,6 @@ else
   fi
   unset NEWPWD
 fi
+
+unset last
+