linux.gentoo.user

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On Sunday 24 February 2008, =BBQ=AB wrote:
> Stroller wrote:
> > I'm thinking of something like md5sum for directories.
>
> I think you may have gotten better solutions for your situation, but
> md5deep (in portage) is like md5sum but with directory recursion.

I'm probably not suggesting anything you don't already know, but just in ca=
se:

Notwithstanding that rsync is a superior tool just made for the job, I more=
=20
often use tar instead of either rsync or cp. This is because when I back u=
p=20
a complete fs I use whichever LiveCD I have at hand (usually Knoppix) which=
=20
doesn't always have rsync on it. Anyway, the tar command has the option -d=
=20
which diffs the contents of the archive and the original fs, if you want to=
=20
see what happened after the archive was written, or want to decide if it is=
=20
time/worth making a fresher back up. Alternatively and more appropriately=
=20
if you run this as part of a back up process, there is the -W option. From=
=20
the man page:

=2DW, --verify
attempt to verify the archive after writing it

HTH.
=2D-=20
Regards,
Mick

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