[KLUG Members] tar oddities

[bill]

A ha, I found it: verify is the W option (don't know what W stands for).  W
doesn't work if you use compression, though.

So, a verified tar would be tar -cWvf filename.tar [directory to archive]



bill wrote:

> Is there a command to immediately confirm that all the file data is identical?
>
> That way, instead of looking for errors while the tar is making the archive, I
> could just look at the output on the file compare.
>
> Jamie McCarthy wrote:
>
> > bill@billtron.com (bill) writes:
> >
> > > file changed as we read it
> >
> > The just means its modification date changed between the time tar
> > opened it and closed it.
> >
> > > I can confirm the file hasn't changed on the system.  And
> > > extracting the file and comparing it with the original shows no
> > > difference.
> >
> > That's exactly what you should do, and if diff says there's no
> > difference, you're fine.
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