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Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the
From: |
Ralph Corderoy |
Subject: |
Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive |
Date: |
Sat, 27 Aug 2016 15:54:06 +0100 |
Hi Steffen,
> So it collects a list of files in a textfile, and then either
> $tarxcmd = "tar -c -f - | $COMPRESSOR > $ar";
> or
> $tarxcmd = "tar -r -f $ar >/dev/null";
With the second of these, $ar isn't a compressed file name, like
foo.tar.gz? Which was used for the problem tar file?
> and then
> unless (open XARGS, "| xargs -0 $tarxcmd 2>>$MFFN") {
So xargs may run tar more than once, and if $#{$listref} has been
growing then perhaps it's tipped over from one invocation to two
recently?
> They are however part of the archive content, e.g.:
>
> address@hidden x]$ tar -tf monthly-backup.tar | grep 'mail/2013.track'
> address@hidden x]$ grep 'mail/2013.track' monthly-backup.tar
> Binary file monthly-backup.tar matches
Is monthly-backup.tar the value of $ar above? Or have you manually
decompressed it?
Are you aware of this behaviour?
$ (tar cf - foo; tar cf - bar) | tar tf -
foo
$ (tar cf - foo; tar cf - bar) | (tar tf -; tar tf -)
foo
bar
$ (tar cf - foo; tar cf - bar) | gzip | tar tzf -
foo
$
Cheers, Ralph.
- [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Steffen Nurpmeso, 2016/08/27
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Steffen Nurpmeso, 2016/08/27
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive,
Ralph Corderoy <=
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Joerg Schilling, 2016/08/29
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Ralph Corderoy, 2016/08/29
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Steffen Nurpmeso, 2016/08/29
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Joerg Schilling, 2016/08/29
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Steffen Nurpmeso, 2016/08/29
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Joerg Schilling, 2016/08/30
- Re: [Bug-tar] Monthly backup doesn't expand files, but which are in the archive, Steffen Nurpmeso, 2016/08/30