scripts/match in rvm-0.0.96 vs scripts/match in rvm-0.0.97

@@ -6,10 +6,10 @@
 
 if [[ ! -z "$BASH_VERSION" ]] && [[ ${BASH_VERSION:0:1} -gt 2 ]] ; then
   [[ "$1" =~ $2 ]]
   exit $?
 else
-  if [ ! -z "$(echo "$1" | awk "/${2}/")" ] ; then
+  if echo "$1" | grep -q "${2}" ; then
     exit 0
   else
     exit 1
   fi
 fi