An archive file format (and the program that reads it) commonly used on Unix and Linux.

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how do I use tar -C on Snow Leopard when creating an archive?

The man page states -C directory In c and r mode, this changes the directory before adding the following files. However, tar does not change to the directory I specify, but instead reports ...
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2answers
3k views

Tar: How to ignore the archive itself

I was planning to do a quick backup of my website. So I tried to run the following command in my webroot: tar cvfz backup.tar.gz . That seemed to be working nicely for a while. Until I discovered ...
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1answer
705 views

Why is tar|tar so much faster than cp?

For recursively copying a directory, using tar to pack up a directory and then piping the output to another tar to unpack seems to be much faster than using cp -r (or cp -a). Why is this? And why ...
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132 views

Archive (.tar.gz) Corruption

I've got a .tar.gz archive that has definitely suffered some kind of corruption. The data inside the archive is obviously very precious to me and I'd really like to get my hands on as much as ...
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1answer
100 views

Tar using progress bar and handling multi-volumes

I'm trying to create a tar of a large LVM volume onto multiple external drives. That part is solved. Now, because it is a LONG process, I'd like a progress bar. From the excellent articles here, ...
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197 views

What is the etymology behind “-j” indicating bzip2 for tar? [closed]

What is the etymology behind "-j" indicating bzip2 for tar?
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3answers
571 views

Weird bug in 'tar' not including files named .__init__.py

Does anyone know why tar is not including files named .__init__.py (note the dot)? $ mkdir /tmp/work && cd /tmp/work $ mkdir foo $ touch foo/.__init__.py $ touch foo/.namespace__init__.py $ ...
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2answers
303 views

is it plausible that Ubuntu's wildcard * with tar is somehow failing to restore some files?

In this command line sequence I use a *.sh wildcard to restore some files. I got three hits. Knowing that there must be more, I typed in the whole name. For example: goFindRanges.sh. I was able to ...
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492 views

Opening up a .tar file on Windows

What Windows tool or program can I use to open a .tar file? I also have .tar.gz files that I would like to open.
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tar - exclude does not work

I've supposed to archive a directory with tar and exclude some files. I have a directory $HOME/java which includes some .java and .class files. What I want to do is exclude all .class files using the ...
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2answers
9k views

How can I compress a large file into smaller parts?

I'm looking for a way to compress a large file (~10GB) into several files that wont exceed 150MB each. Any thoughts?
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16k views

How can I run the “tar -czf” command in Windows?

I am currently running a computer which has access to only Windows. I have to submit a folder after running tar -czf on it. How can I do this in Windows, do I have any options?
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305 views

Why does tar with -z option create archive with different hash everytime

Can you tell me why tar czf archive.tar dir creates archive with different hash everytime (I check with 'md5sum') Without compression parameter -z or with parameter -j instead all works fine. ...
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1answer
311 views

tar file extraction, why file size reduced

We commonly know that compression is the reduction in size of data in order to save space or transmission time, I should expect bigger size when I extract compressed file. I have downloaded a file in ...
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3answers
308 views

tar: million of files

I have to pack circa 7,000,000 small files. I'm looking for an efficient way to do this. Is tar the best way? What about benchmark tests or any other suggestion?
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3answers
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Extracting a *.tar.bz2 file?

I always used to use this command to extract files from a bzip2 tar ball: tar xjvf file.tar.bz2 But right now on Ubuntu 14.04, I get this error: tar: Conflicting compression options Try 'tar ...
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778 views

Display deflation percentage of tar command (like zip command)

This question may sound weird but I would like to know if there is a possibility to display the deflation percentage of the files processed in the tar command. I use this command tar -cjvf ...
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1answer
212 views

UNIX shell command to expand files of any compressed type

Is there any UNIX shell command to expand a compressed file which type is not known in advance? I should be able to use this command to expand at least any of the following types of files, though the ...
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3answers
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linux tar -T - does not work on the fly

I found some problem with linux gnu tar. wheh I use option -T - (for file list from stdin) or -T named_pipe_file , this desn't work on the fly. for example, simple interactive script: while ...
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How to extract tar.gz on windows xp

Can anyone suggest me ways to extract tar.gz file on windows xp ? Is there any built-in tool ? Or may be a script that can be written ? PS: Please note I can't install new software on my computer (do ...
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1k views

List full timestamps of files in a tarball

I have a large tar archive and want to see the exact (nanosecond) timestamps that are stored for each file in the archive. In case it's relevant, the tarball is in POSIX-2001 format (tar ...
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4answers
1k views

Browsable compressed filesystem archive with full attributes?

Maybe a variation of the whole question would be: Are there any other archiving tools than tar that preserve Linux file permissions and user/group flags? I want to create archives of a directory tree ...
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2answers
909 views

Tar archive won't unpack – “Path contains '..'”

The name of the file 2014-12-12 04-00-01.tar. I executed the command: tar xvf 2014-12-12\ 04-00-01.tar The output is many lines of the form: x ../server/: Path contains '..' And then a few of ...
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1answer
1k views

tar - exclude certain files

I wish to tar all files in a directory and its subdirectories that do NOT end in .jpg, .bmp, .gif, or png. So, given the following folders and files: foo/file.txt foo/file.gif foo/bar/file ...
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1answer
729 views

Importing to mysql from a .gz via shell - how to do it without extracting to a file? [duplicate]

Possible Duplicate: Pipe gunzip and mysql to gunzip a dump and import it i have a .gz file of an sql dump. at the moment i extract it to its own file (ie dump.sql.gz extracted to dump.sql) ...
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920 views

How to make a local tar file of a remote directory

This link describes how to copy tarred files to minimise the amount of date sent over the network. I am trying to do something slightly different. I have a number of remote files on different ...
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1answer
927 views

Given that tar ignored my 2 sockets, how do I backup and then restore my login folder?

I did a network backup of my login area in preparation for reformatting the volume in which it resides to make it bootable on my old Power Mac G5 running the very latest release of Leopard. Though ...
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1answer
769 views

Rename directory with tar

I have some directories, I want to pack into a tgz archive: /home/stofl/myproject/migrations/ /home/stofl/myproject/source/ /path/to/my/migration/tool/source/ The archive should have the following ...
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1answer
14k views

How to extract .tar.bz2 directly? (avoiding a folder creation)

I always extract this kind of files using on the route where I want those files: # tar -xvf file.tar.bz2 But it always creates a folder called "file" (for this example) and stores all inside it. ...
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2answers
3k views

Find out the size of a .tar.gz archive in the terminal without unpacking

I have a 32GB .tar.gz archive and I'd like to know the size of the files if I unpack this compressed archive. I'd like to avoid unpacking the archive first and than use e.g. du. Is it also possible ...
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1answer
703 views

merge all tar files on mac

I have a bunch of tar files such as a.tar b.tar. I use the following command to merge two tar files : tar --concatenate --file=a.tar b.tar However, --concatenate is not support on mac terminal ...
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1answer
4k views

Tar backup with progress bar

I would like to add a progress bar to my tar backup command. I found out that the bar shell script should be able to do this, but I am unable to figure out the correct command. sudo tar pzcf - ...
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How can I extract only some specific folders from a tar.gz archive?

Let's say I have the archive website.tar.gz, inside is the following folder structure : home -mike -www -coolwebsite file1 file2 file3 etc. When I ...
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1answer
188 views

gunzip -c equivalent for tar.gz files?

What is the equivalent of gunzip -c to pipe the content of a bunch of tar.gz files without having to permanently "tar xzf" them and "tar czf" them back? Something like: tar xzf "-c" *.tar.gz | xargs ...
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3answers
753 views

Control gzip compression rates while archiving files with tar?

I have a script which periodically backs up a directory using the command "tar -czvf [name] [directory]" but my problem is that the script has recently been putting a lot of stress on the server ...
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2answers
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Installing Subversion on Unix machine

I'm new to unix and trying to create a guide for users to install subversion. I've found a tutorial about how to build from a tarball. I'm ready to try it out, but I don't know how to download the ...
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1answer
268 views

Cygwin creating multiple links to files inside tar?

I'm trying to create a .tar file in Cygwin: find . > tmpfilelist tar -cf tmp.tar -T tmpfilelist but when I open tmp.tar in Windows with 7-Zip there are four instances of each file: Name ...
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2answers
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Use all CPUs when creating archives on Linux

Today I wanted to create a backup from a folder on a server with 16 CPUs. I started looking for an option that can utilize my hardware to archive a folder better than how tar does it. Something with ...
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1answer
559 views

Why /home folder is missing from my backup archive created by tar?

So I'm doing full backup of my VPS using the following command (as root, of course): tar czvf 20120604.tar.gz / Everything seems to be fine, all files seem to appear in the list. The size of ...
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Why is “tar” trying to create an empty archive?

I'm trying to use tar to tar files before transfer, so I can keep the entire file path rather than losing it along the way. However, when I try to tar an empty folder, it tells me that it is cowardly ...
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5answers
348 views

Migrate 80 GB worth of files from one NTFS drive to another with metadata and error correction

I want to copy all my files from my NTFS Windows XP drive to a folder on my new NTFS Windows 7 drive, including Program Files, etc. just in case I need them. I have an external drive I can use as an ...
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0answers
49 views

Compressed file with a header containing all files within it, at the beginning of the file

I have noticed that most files resulting from a compression / archive process do not have a list of the files contained at the beginning of the resulting file, but rather at the end of it. For ...
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1answer
1k views

Estimating compressed file size using a list parameter

I am currently compressing a list of files from a directory in the following format: tar -cvjf test_1.tar.gz -T test_1.lst --no-recursion The above command will compress only those files ...
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2answers
855 views

One-liner Linux for scp'ing thousands of files as a tar

I have a folder with tens of thousands of files that I need to scp to another box. As doing one file at a time is very timeconsuming, and as I don't have harddrive space to make a compressed tar ...
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1answer
4k views

tar: extract myfile.tar.gz archive to a directory named myfile

Can it be done with tar? Do I have to write a bash script?
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1answer
914 views

How to convert a file of format tar.gz to tar.bz2?

Like the title says, how do I do this conversion from the Linux console?
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Install VLC 2.0.7 in CentOS 6.4?

I am keep failing in the installation process I have tried. I have started process as follows. yum install gcc dbus-glib-devel* lua-devel* libcddb wget ...
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1answer
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tar shows “is not a bzip2 file” error when uncompressing a .tar.bz file

I've a data_or.tar.bz file I tried to extract it with $ tar xjvf data_or.tar.bz Output is bzip2: (stdin) is not a bzip2 file. tar: Child returned status 2 tar: Error is not recoverable: exiting ...
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1answer
2k views

.tgz not extracting properly

I've just received some files file(s).tgz... I've tried tar -xvzf file.tgz... However I'm getting error "Attempt to write to an empty file"... Am I missing something... The folder directory system has ...
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1answer
568 views

Is there any limit on number of file name we can pass in tar

I am creating a tar and untar it at other location using: $ tar -C sourcedir -cf - . | tar -C targetdir -xpf - but it fails like thisError I am getting is :Argument list too long - tar, when I am ...