Use basic regular expressions for sed portability

scripts/rabbitmq-env

@@ -103,15 +103,11 @@ fi
 
 ##--- Set environment vars RABBITMQ_<var_name> to defaults if not set
 
-SED_OPT="-E"
-if [ $(uname -s) = "Linux" ]; then
-    SED_OPT="-r"
-fi
-
 rmq_normalize_path() {
     local path=$1
 
-    echo "$path" | sed $SED_OPT -e 's,//+,/,g' -e 's,(.)/$,\1,'
+    # Remove redundant slashes and strip a trailing slash
+    echo "$path" | sed -e 's#/\{2,\}#/#g' -e 's#/$##'
 }
 
 rmq_normalize_path_var() {

scripts/rabbitmq-script-wrapper

@@ -15,14 +15,9 @@
 ##  Copyright (c) 2007-2015 Pivotal Software, Inc.  All rights reserved.
 ##
 
-SED_OPT="-E"
-if [ $(uname -s) = "Linux" ]; then
-    SED_OPT="-r"
-fi
-
 for arg in "$@" ; do
     # Wrap each arg in single quotes and wrap single quotes in double quotes, so that they're passed through cleanly.
-    arg=`printf %s "$arg" | sed $SED_OPT -e "s/'/'\"'\"'/g"`
+    arg=`printf %s "$arg" | sed -e "s#'#'\"'\"'#g"`
     CMDLINE="${CMDLINE} '${arg}'"
 done