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... > >
