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Autolisp for time spend on editing particular drawing

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Any autolisp code to record exact time spend on particular drawing even when drawing is created by coping old drawing or using saveas function?


Time command gives very complecated results.

In my current drawing "time" command immediately after "saveas" old dwg, gives below results-


Current time: Sunday, June 12, 2011 2:55:40:706 PM

Times for this drawing:

Created: Tuesday, December 15, 2009 1:36:34:131 PM

Last updated: Sunday, June 12, 2011 2:55:25:420 PM

Total editing time: 7 days 14:33:15:459

Elapsed timer (on): 7 days 14:33:15:457


Command "edittime" adds old time after saveas function.

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David Bethel

In short 'No"


The time command use sysvars to calculate the display that you see:


A U T O C A D ®

Copyright © 1982-96 Autodesk, Inc. All Rights Reserved.

Release 13_c4 (1/2/96) Microsoft Windows NT Version 6.1 (x86)


Command: setvar

Variable name or ?: ?


Variable(s) to list : td*


TDCREATE 2455725.35886188 (read only)

TDINDWG 0.00009929 (read only)

TDUPDATE 2455725.35886188 (read only)

TDUSRTIMER 0.00009938 (read only)


These are in julean time if I remember correctly


The diesel function (edtime) is the easiest way to convert then into readable format.



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