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Timestamp does not change

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by mehlmanr

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I work with autocad lite 98 on a NT4 workstation. The drawing files are on a Nt4 server NTFS partition. After changing and saving drawings the timestamp does not change. The changes in the drawing are OK. Saving on the local disk the timestamp is OK. saving a little textfile on the server in the drawing folder ist OK too. I think its a windows problem or combination of workstation/server/autocad. Some days ago everything was OK. I need timestamps to make icremental backups with xcopy.

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by systhine from tampabay.rr.com

Just as a run down, under NTFS, Windows stores 3 timestamp values, Created, Modified and Last Accessed (these can be viewed under NT4 by right clicking the file and selecting Properties from the pop-up menu, and in the General tab).

Be sure you're using the "Modified" timestamp to determine the last time the file was changed. You can also view those timestamps individually with dir /TW *.dwg

Xcopy /seemed/ to be using the modified value when I checked it. It may benefit you to do some fancy batch coding to make sure you get the right files instead of relying on xcopy to check for you.

Is AutoCAD the only application that exhibits this behavior? If it is, then you should contact AutoDesk and ask about this behavior. It may be a feature of their code.

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