From d4fe0f59bda68416fbfd3e38989a5d47d7b26f53 Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Mon, 23 Jun 2014 14:01:38 +0200
Subject: [PATCH] libem.bash: purge modules only if module is available

---
 lib/libem.bash | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/libem.bash b/lib/libem.bash
index 475e24c..26a37f3 100644
--- a/lib/libem.bash
+++ b/lib/libem.bash
@@ -152,7 +152,9 @@ declare -x LIBRARY_PATH
 declare -x LD_LIBRARY_PATH
 declare -x DYLD_LIBRARY_PATH
 
-module purge
+if typeset -f module > /dev/null 2>&1 ; then
+	module purge
+fi
 
 if [[ $DEBUG_ON ]]; then
 	trap 'echo "$BASH_COMMAND"' DEBUG