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Number   :  5446
Date     :  2003-08-31
Author   :  J. Merrill
Subject  :  Re: Update To V.2.84.9 Question.
Size(KB) :  1


The new version of XXCOPY warns you when it sees that the source and destination drives use different timestamp formats. The old version didn't do that.

Your batch file had been working just as you wanted, but had probably been doing more work than was really needed. No doubt it was often re-copying files that existed on both disks, even though they had not actually been changed on the source since they were last copied. Why? Because, with the timestamps being stored differently on your two drives, they only sometimes appeared to XXCOPY to have timestamps that matched.

Using /FF is indeed the fix you want. You should notice the backups taking less time when you've added that option, because unchanged files won't be re-copied any more.

At 01:59 PM 8/30/2003 +0000, kjack_98 wrote
>Below is my Batch file I have been using for awhile with success.
> -----------------
>@ECHO OFF
>ECHO (Written by John Doe)
>ECHO This will Back Up Files To My [F] Drive(WDC USB Hard Drive)
>Incrementally
>
>xxcopy /EC/WS/NX0/BU "C:\Documents and Settings\John Doe\My 
>Documents\" F:\MYDOCs\ /BU 
>xxcopy /CE/WS/NX0/BU "C:\Documents and Settings\John 
>Doe\Download\" F:\SETUPS\ /BU 
>xxcopy /CE/WS/NX0/BU "G:\" 
> F:\G_DRIVE\ /BU 
> --------------------- 
>The question is: When I updated to version 2.84.9 I receved a popup 
>telling me I had to add the "/FF" switch to make it work. I did 
>that and the batch file works again. WHY? 
>
>Thanks,
>
>Jack
>
>Running WinXP SP1


J. Merrill / Analytical Software Corp



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