now supports checks for exit codes and check for memory even when curl

    my $res = system("$CMDLINE");

    $res /= 256;

    my $ERRORCODE = "$TESTDIR/error$NUMBER.txt";

    if ($res != 0) {

        # the invoked command return an error code

        my $expectederror=0;

        if(-f $ERRORCODE) {

            open(ERRO, "<$ERRORCODE");

            $expectederror = <ERRO>;

            close(ERRO);

            # strip non-digits

            $expectederror =~ s/[^0-9]//g;

        }

        if($expectederror != $res) {

            print "*** Failed to invoke curl for test $NUMBER ***\n",

            "*** [$DESC] ***\n",

        "*** The command line was: ***\n $CMDLINE\n";

            "*** The command returned $res for: ***\n $CMDLINE\n";

            return 1;

        }

        elsif(!$short) {

            print " error OK";

        }

    }

    else {

        if(-f $ERRORCODE) {

            # this command was meant to fail, it didn't and thats WRONG

            if(!$short) {

                print " error FAILED";

            }

            return 1;

        }

        if ( -r "$VALIDOUT" ) {

            # verify redirected stdout

            $res = compare($STDOUT, $VALIDOUT, "data");

        unlink($STDOUT);

        unlink($STDERR);

    }

    if($memory_debug) {

        if(! -f $memdump) {

            print "\n** ALERT! memory debuggin without any output file?\n";

            }

        }

    }

    }

    if($short) {

        print "OK";

    }