1--disable_query_log 2--disable_result_log 3--write_file $MYSQL_TMP_DIR/grep_check 4123 5456 6EOF 7--error 0,1,2,42,127,512 8--exec grep -v -e "123" $MYSQL_TMP_DIR/grep_check 9let $status= $__error; 10--remove_file $MYSQL_TMP_DIR/grep_check 11if ($status) 12{ 13 --skip Test requires gnu grep 14} 15--enable_query_log 16--enable_result_log 17 18