What Cinderella did - sorting the bytes Post: 302148389

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Top Forums Shell Programming and Scripting What Cinderella did - sorting the bytes Post 302148389 by fedusr on Saturday 1st of December 2007 11:17:57 AM

12-01-2007

Registered User

I'm using:
# tar --version
tar (GNU tar) 1.17
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by John Gilmore and Jay Fenlason.

and I can replicate that error:

# tar -cvzf /dev/stdout /etc | split -d -b 10m - etc.tgz.messy
tar: Entferne f�hrende „/“ von Elementnamen
tar: Entferne f�hrende „/“ von Zielen harter Verkn�pfungen
# head -2 etc.tgz.messy00
/etc/
/etc/redhat-lsb/
# tar -czf /dev/stdout /etc | split -d -b 10m - etc.tgz.clean
tar: Entferne f�hrende „/“ von Elementnamen
tar: Entferne f�hrende „/“ von Zielen harter Verkn�pfungen
# xxd etc.tgz.clean00 |head -2
0000000: 1f8b 0800 ac84 5147 0003 ec5c 7b73 dbb6 ......QG...\{s..
0000010: 96ef bfd6 a740 e4ec c876 2459 a41e 769c .....@...v$Y..v.
#

It seems to be tar's using <stdout> in stead of <stderr> for verbose output streaming. Tar's error messages (Entferne == German: 'remove') is <stderr> but didn't copy to the produced split (messed up) tarball.

Is there a utility for easy removing the file listings from the corrupted gzip'ed tarball?

Thank you.

Last edited by fedusr; 12-01-2007 at 01:20 PM..

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virt-tar-out

virt-tar-out(1) 					      Virtualization Support						   virt-tar-out(1)

NAME

       virt-tar-out - Pack a virtual machine disk image directory into a tarball.

SYNOPSIS

	virt-tar-out -a disk.img /dir files.tar

	virt-tar-out -d domain /dir files.tar

	virt-tar-out -d domain /dir - | gzip --best > files.tar.gz

DESCRIPTION

       "virt-tar-out" packs a virtual machine disk image directory into a tarball.

       The first parameter is the absolute path of the virtual machine directory.  The second parameter is the tar file to write.  Use "-" to
       write to standard output.

EXAMPLES

       Download the home directories from a guest:

	virt-tar-out -d MyGuest /home - | gzip --best > homes.tar.gz

JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH

       This command is just a simple shell script wrapper around the guestfish(1) "tar-out" command.  For anything more complex than a trivial
       copy, you are probably better off using guestfish directly.

OPTIONS

       Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options.

SEE ALSO

       guestfish(1), virt-cat(1), virt-copy-in(1), virt-copy-out(1), virt-edit(1), virt-tar-in(1), <http://libguestfs.org/>.

AUTHORS

       Richard W.M. Jones ("rjones at redhat dot com")

COPYRIGHT

       Copyright (C) 2011 Red Hat Inc.	<http://libguestfs.org/>

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

libguestfs-1.18.1						    2013-12-07							   virt-tar-out(1)