You can find reliable versions of this script from the following sources:
: For those who want more advanced options (like exporting lengths to a table), Lee Mac’s Total Length & Area is widely considered the gold standard for AutoLISP routines. How to Install and Run TLEN.lsp Loading the script takes less than a minute: autocad tlenlsp download best
The native MEASUREGEOM or LIST commands in AutoCAD are powerful, but they fail at one simple task: You can find reliable versions of this script
(defun c:Tlen (/ ss len total ent obj) (vl-load-com) (setq total 0.0) (prompt "\nSelect linear objects (Lines, Polylines, Arcs, Circles): ") (if (setq ss (ssget '((0 . "LINE,ARC,CIRCLE,POLYLINE,LWPOLYLINE,SPLINE")))) (progn (setq len 0) (while (< len (sslength ss)) (setq ent (ssname ss len)) (setq obj (vlax-ename->vla-object ent)) (setq total (+ total (vlax-get-property obj 'Length))) (setq len (1+ len)) ) (prompt (strcat "\nTotal Length: " (rtos total))) ;; Option to insert text (if (setq pt (getpoint "\nPick point to insert text (or press Enter to exit): ")) (progn (setq txt (rtos total 2 2)) ;; 2 decimal places (entmake (list '(0 . "TEXT") (cons 1 txt) (cons 10 pt) (cons 40 (getvar "TEXTSIZE")) ) ) (prompt (strcat "\nInserted text: " txt)) ) ) ) (prompt "\nNo objects selected.") ) (princ) ) "TEXT") (cons 1 txt) (cons 10 pt) (cons
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