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Top Forums Shell Programming and Scripting compress directories with .tar extension Post 302299434 by zaxxon on Friday 20th of March 2009 05:51:10 AM
Old 03-20-2009
tar is no compression utility - it is an archiving tool. Some tars have the option -z for compression but they use gzip/gunzip to do this.

An detailed example for your case:
Code:
## What we have at start
root@somehost:/data/tmp/testfeld> ll myFolder
insgesamt 24
drwxr-xr-x 6 root root  4096 2009-03-20 10:40 .
drwxr-xr-x 4 isau users 4096 2009-03-20 10:37 ..
drwxr-xr-x 2 root root  4096 2009-03-20 10:38 myFolder1
drwxr-xr-x 2 root root  4096 2009-03-20 10:40 myFolder142
drwxr-xr-x 2 root root  4096 2009-03-20 10:38 myFolder2
-rw-r--r-- 1 root root     0 2009-03-20 10:39 myFolder3.tar
drwxr-xr-x 2 root root  4096 2009-03-20 10:38 myFolder4

## Find directories in myFolder since an already tar'ed directory is a file now
root@somehost:/data/tmp/testfeld/myFolder> find . -type d -name "myFolder*" -print
./myFolder2
./myFolder142
./myFolder4
./myFolder1

## Now tar all we have found
root@somehost:/data/tmp/testfeld/myFolder> find . -type d -name "myFolder*" -exec tar cvf {}.tar {} \;
./myFolder2/
./myFolder142/
./myFolder4/
./myFolder1/

## Let's check what has happened
root@somehost:/data/tmp/testfeld/myFolder> ll
insgesamt 72
drwxr-xr-x 6 root root   4096 2009-03-20 10:44 .
drwxr-xr-x 4 isau users  4096 2009-03-20 10:37 ..
drwxr-xr-x 2 root root   4096 2009-03-20 10:38 myFolder1
drwxr-xr-x 2 root root   4096 2009-03-20 10:40 myFolder142
-rw-r--r-- 1 root root  10240 2009-03-20 10:44 myFolder142.tar
-rw-r--r-- 1 root root  10240 2009-03-20 10:44 myFolder1.tar
drwxr-xr-x 2 root root   4096 2009-03-20 10:38 myFolder2
-rw-r--r-- 1 root root  10240 2009-03-20 10:44 myFolder2.tar
-rw-r--r-- 1 root root      0 2009-03-20 10:39 myFolder3.tar
drwxr-xr-x 2 root root   4096 2009-03-20 10:38 myFolder4
-rw-r--r-- 1 root root  10240 2009-03-20 10:44 myFolder4.tar

 

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

NAME
virt-tar-in - Unpack a tarball into a virtual machine disk image. SYNOPSIS
virt-tar-in -a disk.img data.tar /destination virt-tar-in -d domain data.tar /destination zcat data.tar.gz | virt-tar-in -d domain - /destination WARNING
Using "virt-tar-in" on live virtual machines can be dangerous, potentially causing disk corruption. The virtual machine must be shut down before you use this command. DESCRIPTION
"virt-tar-in" unpacks an uncompressed tarball into a virtual machine disk image or named libvirt domain. The first parameter is the tar file. Use "-" to read the tar file from standard input. The second parameter is the absolute target directory to unpack into. EXAMPLES
Upload a home directory to a guest: virt-tar-in -d MyGuest homes.tar /home JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "tar-in" 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-make-fs(1), virt-tar-out(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-in(1)
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