SAMPLE BLOCK UPDATE PROGRAM TO CHANGE THE ATTRIBUTE INSIDE BLOCK AUTOMATICALLY

;; UPDATE BLOCK "SPECIFY BLOCK NAME" DATA ATTRIBUTE BY SELECTING BLOCK -ATUPDATA
;;
;; UPDATE ALL THE BLOCK "ANY BLOCK NAME" AUTOMATICALLY WHICH CONTAIN THE ATTRIBUTE THAT TO BE CHANGED - ATUPDATALL
;;
;;
;; UPDATE BLOCK "SPECIFY BLOCK NAME" ATTRIBUTE VALUE SAME BLOCKNAME BY SELECTION OF BLOCKIN DRAWING TO UPGRADE   - ATUPDATAS
;;
;; UPDATE ALL THE BLOCK "ANY BLOCK NAME" BUT WITH SAME ATTRIBUTE NAME TO NEW VALUE BY SELECTION OF BLOCK IN DRAWING -ATUPDATALLS
;;
BLOCKUPDATE LISP


Enjoy.

Sim
+6019-4125950
Sim@acadsystems.com
https://acadsystems.com