Re: tar for backup

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Try: http://www.gnu.org/software/tar/manual/html_node/tar_12.html  look
for something about appending the file and compare changed files.  It
will take some reading to find what you need but I think tar may do what
you want.

Tim...

On Fri, 2004-07-09 at 06:49, Andrea Marin wrote:
> Thank you for your information but my problem is different:
> 
> I have a script that make a backup of the folder mail.
> Every day when the script is running the old mail.tar was delete and the
> new mail.tar is create.
> I don't want use the parameter date because I don't want more files
> "mail-date.tar" for every day.
> I need only one file but 
> I would like that the old file that is in the old .tar file are
> confronts whit the new .tar file and only the difference are write in
> the old .tar file.
> 
> On Fri, 2004-07-09 at 15:35, Timothy Payne wrote:
> > Do you want just one file with just the changed files added?  Or do you
> > want a new file to be saved?  I've used Linux for years but I'm still a
> > newbie, I wrote a script to save 3 very important files and send them to
> > my ISP disk space, if we had a fire the backup tape would be useless.  I
> > used the system date when I name the backup file so I have a separate
> > copy of the files, they are encrypted also, then sent by ftp.  I spent
> > hours and hours on a simple script because I didn't know how to get it
> > to do the things I needed and had to look everything up.  If you want a
> > copy of the script send an email to my office: sales@xxxxxxxxx and I
> > will forward it to you.
> > 
> > In fact I just got an email from my ISP: Hello Your disk usage on the
> > server is over its limit.  So now it's time to clean out my old files.
> > 
> > Tim...
> 
> 



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