Rename command echo

Using this code:(defun c:rtest () (setvar "CMDECHO" 0) (command "_-rename" "_B" "QAZ001" "QAZ002") (setvar "CMDECHO" 1) (prin1)) Bricscad print this message: Block 'QAZ001' was renamed to 'QAZ002'.Someone knows a way to avoid this echo ??Thanks Lnz