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Full Discussion: Find & tar execution problem
Top Forums Shell Programming and Scripting Find & tar execution problem Post 21753 by Perderabo on Wednesday 22nd of May 2002 09:53:03 AM
Old 05-22-2002
There are a few problems here. First -atime is access time. You want -mtime which is modification time. Next the +0 is going to exclude all the files you want and pick up the rest. "find /home/bob -mtime -1" will give you alist of files modified less than a day ago. But you will also get directories as well as files. "-type f" will take care of that. And finally, you don't want a seperate run of tar for each file...you want to run tar just once.

tar cvf /home/bob/files.tar `find /home/bob -mtime -1 -type f`

will do it. But this assumes that you have enought space on your command line to handle all of the files in question. If you "cd /home/bob" first and use "." instead of "/home/bob" in the find command, you will shorten the length of the list and defer the problem. And having the output file in your home directory is dangerous. If you remove yesterday's before you run the new command you should be ok. But if files.tar gets added to the list, you're in trouble. Putting it in /tmp or /var/tmp while the command is running might be safer.

So my final answer...
cd /home/bob
tar cvf /var/tmp/files.tar `find . -mtime -1 -type f`
mv /var/tmp/files.tar .
 

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LEARN ABOUT CENTOS

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) 2011-2012 Red Hat Inc.

LICENSE

       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.

BUGS

       To get a list of bugs against libguestfs, use this link:
       https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools

       To report a new bug against libguestfs, use this link:
       https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools

       When reporting a bug, please supply:

       o   The version of libguestfs.

       o   Where you got libguestfs (eg. which Linux distro, compiled from source, etc)

       o   Describe the bug accurately and give a way to reproduce it.

       o   Run libguestfs-test-tool(1) and paste the complete, unedited output into the bug report.

libguestfs-1.22.6						    2013-08-24							   virt-tar-out(1)
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