Допустим мы запроектировали проект. Вдруг заказчик требует заменить наши слои на определенные им.Чтобы сделать разом на каждом файле а не по слою. Попробовал написать лисп с помощью функций entnext, entget, entmode. Получаю сообщение  Функция entmode не определена. не обращайте внимание на текст - писал быстро.
(defun C:CHLAY_ich () ;(/ SS  i  spl name ceva)
   (setq *ERROR* STOP)
   (princ "\nSelect Objects to be Changed...")
   (initget 1)
  (ustmla "HVAC_CHNL_OAIR" 6)
  (ustmla "HVAC_CHNL_SPLY" 4)
  (ustmla "HVAC_CHNL_EXH" 5)
  (ustmla "HVAC_CHNL_FC" 4)
  (ustmla "HVAC_CHNL_RA" 3)
  (ustmla "HVAC_CHNL_SMOK" 5)
 (ustmla "HVAC_CWS" 4)
 (ustmla "HVAC_CWR" 4)
 (ustmla "HVAC_HWS" 5)
 (ustmla "HVAC_HWR" 5)
 (ustmla "HVAC_CHWS" 3 )
 (ustmla "HVAC_CHWR" 3)
  (setq en (entnext)) 
  (setq ed (entget en) spl ed)
 ; (setq ss (ssadd))
 ; (ssadd e1 ss)
   (setq SS (ssget) lnab (sslength ss))
  ; (if SS
   ;   (progn
   ;      (setq oll (if (= (sslength ss) 1)
   ;            (cdr (assoc 8 (entget(ssname ss 0))))
   ;            "varies"))
  (setq i 0 j 0)
 (while (< i lnab)
 ; (setq spl (entget (ssname ss i))) 
 ; (setq en (entnext))            
  (if ( = (cdr (assoc 8 spl)) "dfa")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHNL_OAIR") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )  
 (if ( = (cdr (assoc 8 spl)) "ds")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHNL_SPLY") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  ) 
 (if ( = (cdr (assoc 8 spl)) "dr")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHNL_RA") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )                   
 (if ( = (cdr (assoc 8 spl)) "dv")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHNL_EXH") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )       
  (if ( = (cdr (assoc 8 spl)) "hws")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHWS") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )       
   (if ( = (cdr (assoc 8 spl)) "hwr")
    (progn
      (setq spl (subst (cons 8  "HVAC_CHWR") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )       
    (if ( = (cdr (assoc 8 spl)) "cws")
    (progn
      (setq spl (subst (cons 8  "HVAC_CWS") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )       
    (if ( = (cdr (assoc 8 spl)) "cwr")
    (progn
      (setq spl (subst (cons 8  "HVAC_CWR") (assoc 8 spl) spl ))
       (entmode spl) 
    )
  )                                                                       
  (setq i (+ 1 i) j (+ 1 j)) 
;      )
   )
 (setq en (entnext)) 
 
    (princ)
;*************************************************
)
(defun ustmla (mla ceva )
 (if (= nil (tblsearch "Layer" mla))
   (progn
     (command "Layer" "m" mla "")
     (command "Layer" "c" ceva "")
     (command "")
   )
   (command "Layer" "s" mla "")
 ) 
)