Scott at 19:26, 28 September 2021

2021-09-28T19:26:08Z

← Older revision		Revision as of 19:26, 28 September 2021
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	<pre>		<pre>
	tar cf - my_data \| ssh barney@myserver " ( cd /data/backup; tar xf - ) "		tar cf - my_data \| ssh barney@myserver " ( cd /data/backup; tar xf - ) "
			</pre>

			To see a progress bar (may need to install the <code>pv</code> tool):
			<pre>
			tar cf - /folder-with-big-files \| pv -s $(du -sb /folder-with-big-files \| awk '{print $1}') \| gzip > big-files.tar.gz
	</pre>		</pre>

Scott at 18:31, 4 February 2011

2011-02-04T18:31:10Z

New page

{{lowercase title}}
[options: c=create, x=expand, v=verbose, f=filename, z=zip]

To create a tar archive:
<pre>
tar cvf new-archive.tar directory-to-archive
</pre>

To create a tar archive but exclude a single directory:
<pre>
tar cf new-archive.tar --exclude bad_dir directory-to-archive
</pre>

To create a compressed tar archive:
<pre>
tar czvf new-archive.tar.gz directory-to-archive
</pre>

To decompress a .tar file:
<pre>
tar xvf file.tar
</pre>

To decompress a .tar.Z or .tar.gz file:
<pre>
tar xzvf file.tar.Z
tar xzvf file.tar.gz
</pre>

To append to a tar file:
<pre>
tar rf existing.tar new_dir
</pre>

To list the contents of a tar file:
<pre>
tar tf file.tar
</pre>

To extract a specific file or directory from a tar file:
<pre>
tar xf file.tar file-or-directory-name
</pre>
(<code>file-or-directory-name</code> should exactly match the output of tar t output)

tar under older Unix:
<pre>
zcat file.tar.gz | tar xvf -
</pre>
or
<pre>
gunzip file.tar.gz; tar xf file.tar
</pre>

To move a directory from one host to another (must have full permissions on both ends):
<pre>
tar cf - my_data | ssh barney@myserver " ( cd /data/backup; tar xf - ) "
</pre>

Tar - Revision history

Scott at 19:26, 28 September 2021

Scott at 18:31, 4 February 2011