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Number   :  8855
Date     :  2004-09-29
Author   :  Ray McCormick
Subject  :  Re: A very newbie question
Size(KB) :  2


--- In xxcopy@yahoogroups.com, "grim_judge"  wrote:
> --- In xxcopy@yahoogroups.com, "Carlos Fonseca"  wrote:
> > Hi!
> > Well, my knowledge on batching files are null. So based on the 
help
> > file I did these lines to synchronize two directories:
> > 
> > @ECHO OFF
> > xxcopy h:\src\ l:\dest\ /E /BN /ZY /V2 /VE /PB
> > 
> > It works! But I have some doubts.
> > First one is. Is this line well implemented to the job? 
> > Second
> > 
> 
> Greetings! Just put in a PAUSE command... Bat will wait for 
keypress 
> to close.
> 
> Enjoy!
> 
> Grim

Hi

I too use a terminating PAUSE command even though I usually run batch 
files from a cmd window. But back to you command line.

The /ve will override the /v2 so making the /v2 superfluous. [Try 
xxcopy /v2/ve/?]. 

Do you wish to include hidden and read-only files in the clone 
operation? They are not specified in your command line.

For incremental backups I use /bu/bn plus more switches (these two 
switches must be in the order given here; bu is short for backup; try 
xxcopy /bu/bn/? to see a list of the switches set).

However you wish to delete files no longer on the source so, unless 
you have a particular reason not to, why not use the /clone switch 
plus any added switches that you might want, such as /pb or for 
others for log creation. Also if you want to override the /v1 of 
the /clone switch you can add /ve, but in that case make sure you put 
it after the /clone. 

However, if you want to SYNCHRONISE the two volumes then /bn is 
inappropriate as this specifies only newer files, rather than 
different files. If this is what you really want then /bn can also be 
added after /clone to override the /bi contained therein. 
Possibly /clone/pb/ve possibly with the /bn also.

One more thing to remember is that the byte-by-byte comparison (/v2) 
is likely to be comparing something in a buffer rather that the data 
in the two volumes on the hard drive. I believe many people do not 
use it for that reason.

I have found that because of the multitude of switches available it 
is sometimes more difficult to decide EXACTLY what one wants to do 
than it is to implement it.

Have fun

Ray



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