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Full Discussion: untar
Operating Systems AIX untar Post 302263758 by bakunin on Tuesday 2nd of December 2008 12:17:05 PM
Old 12-02-2008
You can limit what gets extracted from the archive by using a filename. For instance, going with your example, to extract only a.txt you could issue

Code:
tar -xvf samba.tar samba/a.txt

but this would still create a directory "./samba" and put "a.txt there. It would only prevent the other files getting untarred too.

If you do not want this or for some reason cannot mv the files afterwards to different locations you will have to create the tar archive in such a way that allows to extract files to a flat hierarchy. You could pipe a list of filenames to tar like this:

Code:
echo *txt | tar -cvf my.tar

"my.tar" would contain all the *txt files in the current directory and you could extract an arbitrary subset of these with the mechanism sketched above.

I hope this helps.

bakunin
 

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NTDBBACKUP(8)						    System Administration tools 					     NTDBBACKUP(8)

NAME
ntdbbackup - tool for backing up and for validating the integrity of samba .ntdb files SYNOPSIS
ntdbbackup [-s suffix] [-v] [-h] DESCRIPTION
This tool is part of the samba(1) suite. ntdbbackup is a tool that may be used to backup samba .ntdb files. This tool may also be used to verify the integrity of the .ntdb files prior to samba startup or during normal operation. If it finds file damage and it finds a prior backup the backup file will be restored. OPTIONS
-h Get help information. -s suffix The -s option allows the administrator to specify a file backup extension. This way it is possible to keep a history of ntdb backup files by using a new suffix for each backup. -v The -v will check the database for damages (corrupt data) which if detected causes the backup to be restored. COMMANDS
GENERAL INFORMATION The ntdbbackup utility can safely be run at any time. It was designed so that it can be used at any time to validate the integrity of ntdb files, even during Samba operation. Typical usage for the command will be: ntdbbackup [-s suffix] *.ntdb Before restarting samba the following command may be run to validate .ntdb files: ntdbbackup -v [-s suffix] *.ntdb Note that Samba 4 can use .tdb files instead, so you should use tdbbackup on those files. Samba .tdb and .ntdb files are stored in various locations, be sure to run backup all .(n)tdb files on the system. Important files includes: o secrets.(n)tdb - usual location is in the /usr/local/samba/private directory, or on some systems in /etc/samba. o passdb.(n)tdb - usual location is in the /usr/local/samba/private directory, or on some systems in /etc/samba. o *.tdb and *.ntdb located in the /usr/local/samba/var directory or on some systems in the /var/cache or /var/lib/samba directories. VERSION
This man page is correct for version 4 of the Samba suite. SEE ALSO
tdbbackup(8), ntdbrestore(8) AUTHOR
The original Samba software and related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed. The ntdbbackup man page was written by Rusty Russell, based on the tdbbackup man page by John H Terpstra. Samba 4.1 06/17/2014 NTDBBACKUP(8)
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