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Full Discussion: Not correct processing of “\ “ in names of dirs inside shell script (tar command - system backup scr
Top Forums Shell Programming and Scripting Not correct processing of “\ “ in names of dirs inside shell script (tar command - system backup scr Post 302528360 by ilnar on Tuesday 7th of June 2011 04:01:22 AM
Old 06-07-2011
Not correct processing of “\ “ in names of dirs inside shell script (tar command - system backup scr
Hello,

Recently, I've started with shell scripting, and decided to write a script for my system backup using tar. When I was dealing with tar execution inside shell script I found this, inside shell we have the following code:

Code:
tar $TAR_PARAMS $ARCHIVE_FILE $EXCLUDE $BACKUP_START

with reflection

Code:
tar -cvpzf /home/ilnar/Doenloads/laptop_backup_2011_06_04_125909.tar.gz  --exclude=/home/ilnar/Downloads/laptop_backup_2011_06_04_125909.tar.gz 
--exclude=/proc 
--exclude=/dev
(etc... further home dirs)
--exclude=/home/ilnar/Desktop
--exclude=/home/ilnar/Pictures
(etc..AND MAIN QUESTION)
--exclude=/home/ilnar/Documents
--exclude=/home/dasha/my\ songs
(start from...)
/

So, command should exclude “my songs” from gzip archive, bit it doesn't. If I execute this command directly in shell, everything is ok, but when the same is in shell script it doesn't work! I've tested with:
Code:
echo tar $TAR_PARAMS $ARCHIVE_FILE $EXCLUDE $BACKUP_START

I'm using ubuntu 11.04

(Please note: with my backup and restore scripts I want to exclude all users folders with files like heavy video and audio etc., but not users settings (like .hidden_files))

I'm writing about “spaces” because”, my wife Dasha may create such directories. If you want to look on my scripts, see the attachments.

Will be appreciate for any answers and comments, why this happens.

P.S I live in Russia, so sorry if I have language mistakes, I'm studding English with passion in deed...
Last edited by ilnar; 06-07-2011 at 05:08 AM..
 

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LEARN ABOUT SUSE

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)
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