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Number   :  4943
Date     :  2003-07-04
Author   :  Garry Deane
Subject  :  Re: how to subdivide one large dir to many small dirs prior to cd burn
Size(KB) :  3


--- In xxcopy@yahoogroups.com, "beckwithdw"  wrote:
> using xxcopy 2.82.9 on win2k-pro. have a 5gb dir tree with
> many sub dirs and files. need to copy to several 650mb cdr
> discs using ezcd creator, not directcd packet writing.
> haven't figured the combination of switches in xxcopy to
> do this. also unaware of any other utils for this. thanks
> in advance for your ideas.

As Kan and others have noted, you can't use xxcopy to write
directly to the CD unless using packet writing. However,
provided you have ample disk capacity, you can use Xxcopy
to copy your existing data into 'volume' sets which will fit
onto 1 CD. You then use your CD software to copy each volume
set. The idea is similar to that explained in Tech Bulletin
#20 Item 3 for copying to multiple media.

First, create an exclusion file similar to the following and
add anything additional that you don't want copied. The batch
file assumes this is called xxcopyex.txt and is located in the
%temp% directory. You can call it whatever you like provided
the batch file is amended to suit.

:: xxcopy exclusion list
*.bak
*.bk*
*.chk
*.tmp
*.wbk
*\*ie5\
*\recycle*\
*\temp\

Now create the following batch file. Call it whatever you want
(with a .bat or .cmd extension) and place it in C:\ or C:\Winnt
or somewhere convenient. Adjust the paths and file names as
necessary.

@echo off
:: CDvols.cmd
:: Creates a series of sub-directories called C:\cds\vol1,
:: C:\cds\vol2 ... C:\cds\voln suitable for copying to a CD.
:: Each subdirectory contains no more than 600 Mb of data
setlocal
set src=c:\
set dst=c:\cds\
set exc=%temp%.\xxcopyx.txt
set log=%temp%.\xxcopy.log
set max=600m
set n=0
echo Setting archive bit on all files in %src%
xxcopy %src% /aa/h/s > nul
:loop
set /a n=n+1
:: Note the next line has wrapped - it should end with /oa%log%
:: The critical switches are /bu to carry out a normal backup
:: /m to copy files with the archive bit set and clear after copy
:: /qbL:600m to stop copying when bytes copied will exceed 600 Mb
xxcopy %src% %dst%vol%n%\ /bu/m/qbL:%max%/e0/pz0/ex%exc%/x%dst%/oa%
log%
if %errorlevel% EQU 0 goto :loop
if %errorlevel% GTR 100 goto :loop
echo Deleting extra empty directory
xxcopy %dst% /rsy/s/x*/pd0 > nul
goto :eof

Now open up a cmd prompt and type the path and name of the batch file 
which should continue copying your source into as many individual 
subdirectories as needed.

Note that you will get some errors due to some files being unable to 
be copied because they are in use by the OS. If you want to copy 
these files as well, note their names in the log file then use a DOS 
boot disk to copy them to a c:\CDs\Voln directory with sufficient 
space to fit them (the last Voln directory will probably use well 
under 600 Mb).

You should now have 9 or 10 c:\cds\ subdirectories which you can copy 
to your CDs one at a time using ezcd. When complete, delete the 
c:\cds directory.

If you have limited free space, you can create a CD volume one at a 
time using a similar scheme but without the need to create numbered 
directories. After each 600Mb copy operation, copy the data to a CD, 
delete the data in c:\cds and repeat until done.

Garry



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