On Mon, Aug 24, 2009 at 05:41:40AM -0700, Payal wrote: > On Mon, Aug 24, 2009 at 01:59:46PM +0200, Nicholas Mc Guire wrote: > > On Mon, 24 Aug 2009, Payal wrote: > > > > > Hi all > > > Daily I take backup of a folder like this. > > > tar -czf d-`date +%d%m%y`.tar.gz designs/ > > > The size comes ~ 2Gb of tar ball. > > > > --update (-u) to tar would take care of that - it will only update changed > > files - man tar for details. > > Hmmm no. "-u" keeps "both" the copies. See below. > $ touch test > $ tar -cf d.tar test > $ echo hi > test > $ tar -uf d.tar test > $ tar -tvf d.tar > -rw-r--r-- payal/payal 0 2009-08-24 18:01 test > -rw-r--r-- payal/payal 3 2009-08-24 18:02 test >
Hmm, interesting "-u" option. Another way to do backup can be `git', which manages Linux kernel (300MB+), although far less than 2Gb, but it's fast. Best, Cheng _______________________________________________ Help-make mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-make
