diff -Naurp memcg_function_test_old.sh memcg_function_test.sh
--- memcg_function_test_old.sh  2010-03-22 09:50:56.000000000 +0100
+++ memcg_function_test.sh      2010-03-22 09:52:52.000000000 +0100
@@ -30,7 +30,7 @@ export TCID="memcg_function_test"
 export TST_TOTAL=38
 export TST_COUNT=0
 
-if [ ! "grep -w memory /proc/cgroups | cut -f4" == "1" ]
+if [ "$(grep -w memory /proc/cgroups | cut -f4)" != "1" ]
 then
         echo "WARNING:";
         echo "Either Kernel does not support for memory resource controller or feature not enabled";