Script cleanup, fix if no xref found

revitDwgImportCleaner.lsp

@@ -16,42 +16,25 @@
 ; ---------------------------------------------------------------------------- ;
 
 ; ------------------------ XREFS: bind and detach all ------------------------ ;
-(defun bindXrefs (/ really blk blklist xrefpath xreflist)
+(defun bindXrefs (/ ss really blk blklist xrefpath xreflist)
   (vl-load-com)
   (graphscr)
   
-  ;; Select all blocks and xrefs in model space
-  (foreach x
-    (mapcar 'cadr (ssnamex (ssget "_X" '((0 . "INSERT") (410 . "MODEL")))))      
-    (setq blk (cdr (assoc 2 (entget x))))
-    (setq blklist (append blklist (list blk)))
-  )
+  ;; Check if there are inserts at all
+  (setq ss (ssget "_A" '((0 . "INSERT") (410 . "MODEL"))))
 
-  ;; Clean duplicates   
-  (setq blklist (LM:Unique blklist))
+  (if ss
+    (progn
+      ;; Select all blocks and xrefs in model space
+      (foreach x
+        (mapcar 'cadr (ssnamex (ssget "_X" '((0 . "INSERT") (410 . "MODEL")))))
+        (setq blk (cdr (assoc 2 (entget x))))
+        (setq blklist (append blklist (list blk)))    
+      )
 
-  ;; Create a list of found xrefs
-  ;; Removed this part, because it fails if the xrefs name differs from the filename:
-  ;; (setq i 0);counter to zero
-  ;; (setq imax 1);while variable
-  ;; (while imax 
+      ;; Clean duplicates   
+      (setq blklist (LM:Unique blklist))
           
-
-  ;;   (setq xrefpath (findfile (strcat (nth i blklist))))
-  ;;   (if xrefpath
-  ;;     (progn
-  ;;       (setq xreflist (append xreflist (list (nth i blklist))))
-  ;;       (princ (strcat "Xref found: " (nth i blklist) ".dwg\n"))
-  ;;     )
-  ;;   )
-        
-  ;;   (setq i (1+ i));increments i
-  ;;   (if (= i (length blklist)) (setq imax nil));finish function if i equals il
-  ;; )
-
-  ;; Show prompt only if there are xrefs in the file:
-  ;; (if xreflist
-    ;; (progn
       (initget 1 "Yes No")
       (setq really (getkword "Bind xrefs? [Yes/No]"))
       (if 
@@ -70,9 +53,8 @@
           )
         )
       )
-    ;; )
-    ;; (princ "No xref found in model space.")
-  ;; )
+    )
+  )
 )
 
 (defun LM:Unique ( l )