Perimeter ?

Hi, in a Dwg of a store with many many shelfs, I need to have the linear meters of this shelfs. They are rectangles, but I need the sum of one of sides (I have more 200
rectangles = shelfs). Is possible to have this sum (see image, I need the sum of sides marked with '+')? I try with AREA but Autocad "closes" if I mark only 2 sides. Many thanks!
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Are they all the same length, or of a few different lengths? Are they continuous (touching each other on both sides) or free-standing?
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MichaelB
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Different leghts. They are continuos.
Thanks to all M.

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You can use Paul's lisp, but 200 is a lot of things to pick...
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snipped-for-privacy@toglitogli.it (mino) wrote:

Perhaps this lisp will help? After loading it and running it, just click on each line and it will total their lengths.
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TLEN.LSP - Total LENgth of selected objects (c) 1998 Tee Square Graphics
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(defun C:TLEN (/ ss tl n ent itm obj l) (setq ss (ssget) tl 0 n (1- (sslength ss))) (while (>= n 0) (setq ent (entget (setq itm (ssname ss n))) obj (cdr (assoc 0 ent)) l (cond ((= obj "LINE") (distance (cdr (assoc 10 ent))(cdr (assoc 11 ent)))) ((= obj "ARC") (* (cdr (assoc 40 ent)) (if (minusp (setq l (- (cdr (assoc 51 ent)) (cdr (assoc 50 ent))))) (+ pi pi l) l))) ((or (= obj "CIRCLE")(= obj "SPLINE")(= obj "POLYLINE") (= obj "LWPOLYLINE")(= obj "ELLIPSE")) (command "_.area" "_o" itm) (getvar "perimeter")) (T 0)) tl (+ tl l) n (1- n))) (alert (strcat "Total length of selected objects is " (rtos tl))) (princ) )
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message

He says they are 'rectangles'.
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MichaelB
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He says he can select each side, probably lines.
bob
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Yeah, you're right. They are 'closed'. My bad. Tlen will do it
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I meant *aren't* closed...
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