From c4d5afeb579cfcc52c7e1fa7345d1856d6cf4a70 Mon Sep 17 00:00:00 2001
From: Kang-min Liu <gugod@gugod.org>
Date: Fri, 5 Sep 2014 20:55:08 +0200
Subject: [PATCH] make it sh friendly. fix GH #407

---
 perlbrew-install | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/perlbrew-install b/perlbrew-install
index 4d74db41..624f229a 100755
--- a/perlbrew-install
+++ b/perlbrew-install
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-if [ "${PERLBREWURL}" == "" ]; then
+if [ "x${PERLBREWURL}" == "x" ]; then
     PERLBREWURL=http://gugod.github.io/App-perlbrew/perlbrew
 fi