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(defun c:fixblock (/ objects counter height changed subcounter attcount object attent attint objinf blockinfo attcount)
(command "undo" "begin")
(princ "Objects to fix height: ")
(setq objects (ssget) counter 0 height 2.5 changed 0 subcounter 0 attcount 0)
(if (< 0 (sslength objects))
	(progn
	(while (< counter (sslength objects))
		(setq object (ssname objects counter))
		(setq objinf (entget object))
		(if (= (cdr (assoc 0 objinf)) "INSERT")
			(progn
				(ale_getattribs object)
				(while (< subcounter (length blockinfo))
					(setq attent (nth 2 (nth subcounter blockinfo)))
					(setq attinf (entget attent))
					(entmod (subst (cons 40 height) (assoc 40 attinf) attinf))
					(setq subcounter (1+ subcounter) attcount (1+ attcount))
				)
			(setq counter (1+ counter) changed (1+ changed) subcounter 0)
			)
			(setq counter (1+ counter))
		)
	)
	)
	(princ "Invalid Selection!")
)
(command "undo" "end" "regen")
(princ (strcat (itoa changed) " of " (itoa (sslength objects)) " changed."))
(princ (strcat (itoa attcount) " attributes total."))
(princ)
)