The tar archive format and/or the command-line utility for working with tar files.

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4
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1answer
51 views

Output file from Archive

Given that I have this archive my_archive.tar.gz which has this file in it: README. How can I output the content of README without having to extract the archive? OS: Debian 7
4
votes
1answer
123 views

Packaging with tar

I am trying to package the files: file1 folder2/hello folder2/world file3 into a tar file so they are encapsulated in a custom defined folder, so the tar -tvf archive.tar appears as: ...
4
votes
1answer
4k views

Extract single file from tar to other folder

I've searched for multiple forums for this questions and have seen different answers but so far, nothing have worked yet even from the ones I've seen here. I want to extract a single file from a tar ...
4
votes
2answers
5k views

How to make tar save the archive on a remote machine using sftp or ftp?

I would like to backup some of my very important data on a remote machine. Currently I'm just saving it to my local machine by using this command: tar -cvjf ~/backups/Backup.tar.bz2 ~/importantfiles/* ...
4
votes
2answers
122 views

Where can I find updated TAR.rpm for Oracle VM Server?

I'm using tar for my incremental backup script on Oracle VM Server 3.2.2 and it comes with tar 1.15.1 I need this command: tar -cf drive-C.full.tar --no-check-device \ ...
4
votes
3answers
15k views

How to copy between two remote hosts using tar piped into SSH from remote server when behind a firewall?

I'd like to transfer a directory between two servers, but compress the directory on the remote host before transfer, and then uncompress to another host. I'm sure it's possible to pipe everything all ...
4
votes
1answer
151 views

Midnight Commander, using date in User menu

I would like to use MC (midnight commander) to compress the selected dir with date in its name, e.g: dirname_20131231.tar.gz The command in the User menu is : tar -czf dirname_`date ...
4
votes
2answers
10k views

Compress old log file into single zip-linux

I have a folder /home/testuser/log which contain log files of one day old *.log. I wish to compress all the log files older than one day to a single zip(gzip or tar.gz) and delete the older files. I ...
4
votes
1answer
5k views

Will tar -cvzf packed.tar.gz mydir take hidden files into account?

I need to create a tarball of a given directory. However, I need to make sure hidden files are included too (such as those beginning with .). Will the following command automatically take the hidden ...
4
votes
4answers
338 views

Generating sets of files that fit on a given media size for tar -T

Can anyone suggest a script that will take as input the name of one or more directories and a media size, and output lists of files for input to tar using -T (assuming no compression)? ...
4
votes
2answers
883 views

tar list files only

Fun fact: If you use Archive Manager and extract a .tar.gz so that you have "Keep directory structure" unticked, you will get a tarbomb. tar -ztf lists all the files and directories in a tar file. Is ...
4
votes
2answers
953 views

Find recursively all archive files of diverse archive formats and search them for file name patterns

At best I would like to have a call like this: $searchtool /path/to/search/ -contained-file-name "*vacation*jpg" ... so that this tool does a recursive scan of the given path takes all files with ...
4
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0answers
57 views

How to display progress bar for tar incremental archives?

While creating a level-0 archive I can do this: tar -cf - . | pv -s $(du -sb . | awk '{print $1}') | gzip > out.tgz But in case of a level-1 (incremental) archive, I don't know beforehand what ...
4
votes
1answer
282 views

GNU `tar` runs `stat` on an excluded directory. Is it normal?

I'm running tar as root like this: cd / tar --create \ --verify \ --exclude-backups \ --exclude-caches \ --auto-compress ...
3
votes
8answers
3k views

Triple compression and I only save 1% in space?

I've been trying to save space on my linux server, and I had a folder containting, in subfolders, 22GB of images. So I decided to compress them. First I used tar: tar -zcf folder.tar folder Then ...
3
votes
3answers
453 views

Why does the specific sequence of options matter for tar command?

I was trying out tar command to make archive with .tar extension. please have a look at the following series of commands I tried: $ ls abc.jpg hello.jpg xjf.jpg $ tar -cfv test.tar *.jpg tar: ...
3
votes
4answers
1k views

Why is my tar file bigger than the directory backed up

This question did not help me (despite having the same title). So I post this even though this is a duplicate question. As far as I can tell, the total in du -k includes all the subdirectories and ...
3
votes
3answers
616 views

Tar a file with a different name

To make my environment deployable, I occasionally tar up some handy files and scripts: tar -czvf env.tgz .vimrc .vim/ bin/lsl bin/s I would like to add .bashrc to the mix, but I have some sensitive ...
3
votes
1answer
4k views

Compress a directory using tar/gz over SSH to local computer?

I'd like to essentially tar/gz a directory on a remote machine and save the file to my local computer without having to connect back into my local machine from the remote one. Is there a way to do ...
3
votes
3answers
1k views

untar a directory of *.tgz files using a wildcard

I've got a directory that looks like $ ls Broad_hapmap3_r2_Affy6_cels_excluded.tgz DINGO.tgz GIGAS.tgz index.html IONIC.tgz passing_cels_sample_map.txt ...
3
votes
1answer
532 views

“tar --exclude-backups” does not exclude files with tilde at end

If I have the following directory: $ ls -a foo . .. a #a# a~ b b.bkp c .git .hg .svn and call: $ tar zcf foo-no-bkp.tar.gz --exclude-backups foo/ The resulting archive still has backup ...
3
votes
1answer
517 views

tar: exclude gzip file, and don't try to gunzip it

I would like to skip a large gzip file when I extract a tar file, but everytime tar starts to gunzip it to look inside it seems. Even when I just try to peek inside tar seems to start gunzipping it, ...
3
votes
2answers
4k views

Test tar file integrity in bash

I have a bash script that creates a '.tar' file. Once the file is created, I would like to test its integrity and send an email to the root user if the integrity is bad. I know I would need to use ...
3
votes
2answers
78 views

In what situation would a tarball (.tgz) be almost the same size as the original

I just tarballed a dump of some websites (configs, image directory, css directory, and site content (html files etc)) using tar czf sitedump.tgz backup_folder/. The original "backup_folder" was about ...
3
votes
2answers
1k views

tar compression without directory structure

Under my current directory, I have two sub-directories: dir_1/ - file1.png - file2.png ... - fileN.png dir_2/ - fileA.txt - ... - fileZ.txt When I tar compress the two ...
3
votes
2answers
1k views

Making tar split archives as it compresses?

I want to compress a file with tar but I'd like to know if its possible to do it while splitting the files. I know that in windows is possible to do this with winrar, I also know I can use split but ...
3
votes
2answers
747 views

how to include or add /dev with tar --one-file-system

I'm running tar on a complete remote filesystem using ssh -n <hostname> 'sudo tar -cpvzf - --one-file-system /' | cat > Bak.tar.gz This gave me a tarball. I tried importing this tarball ...
3
votes
3answers
628 views

Different count for compressed file listing vs directory listing

I was taking a backup of a folder, where I used the following command : sudo tar -zcvf www.tar.gz /var/www/ It successfully compressed, just for verifying the number of files in the compressed ...
3
votes
1answer
2k views

Extrat tar “Cannot open: File name too long”

I made a tar with a directory on a remote machine with: tar -czvf I scp it to my local machine, where I wanted to untar it: tar -xzvf But I get : Cannot open: File name too long On my local ...
3
votes
2answers
2k views

Tar overwrites read only files

I created directory test, created file 1.txt in test, wrote 'Before' in this file. Then I went cd .. and used the command: tar -cvzf ./test.tgz ./test Then I entered the test dir again. Opened ...
3
votes
1answer
695 views

Copy just permissions and ownership from one tar file to another

I have two tar files which are basically backups of my /data folder on android. The problem is the permissions and ownership of the files inside latest back-up is messed up. However the permissions in ...
3
votes
1answer
233 views

Estimate the size of the extracted files before extraction a `tar.gz` archive?

Before using tar to extract a .tar.gz archive, it is possible to get an estimate of how large the extracted files are in total?
3
votes
2answers
4k views

Search for a file inside a tar.gz file without extracting it and copy the result to another folder

I need to search for a file inside a tar.gz file without extracting it. After that, I need to copy the file that was searched (if ever there is) to another folder. So far I have this, but the copy ...
3
votes
1answer
172 views

How to create a folder which will change its contents’ ownership to what the folder has?

In a GNU/Linux OS there is no way to change ownership of a file until you are root. But what if I want to hide my system’s username e.g. before sending a file to someone, because some things like tar ...
3
votes
1answer
467 views

Extract directory from wget's stdout

I am trying to wget a tarball from github.com and, without creating a temporary file, extract a subdirectory from it: wget -qO- https://github.com/django-nonrel/django-nonrel/tarball/develop | tar ...
3
votes
2answers
1k views

Find files with same name but different extensions, send to tgz

I have a large archive of edited images from my camera, each image is actually a pair of files - *.nef & *.xmp. I would like to go through all the folders and then zip these pairs into single tgz ...
3
votes
2answers
67 views

Tell gzip/bzip2/7z/etc not to compress already-compressed files?

I'm tarring up /home, and piping it through bzip2. However, I've got lots of already-compressed files out there (.jpg, .mp4, .mkv, .webm, etc) which bzip2 shouldn't try to compress. Are there any ...
3
votes
1answer
109 views

Is it possible to get file list, byte range from the head of a tar+bzip2 file?

Essentially, I'm hoping someone with an advanced knowledge of tar/bz2 can answer whether this is possible. The situation is that we have a periodic 24GB feed of data from a vendor, as a .tbz file. ...
3
votes
2answers
11k views

Wait for process to finish before going to the next line in shell script

I have a script I made to create a backup. I need to make sure the backup is ready before it runs the /home/ftp.sh command. How can I do so? I use CentOS 5.6 #!/bin/bash tar -Pcf ...
3
votes
1answer
129 views

How to create a deterministic tar.gz using git-archive?

Creating a git repository for testing. ~ $ mkdir somefolder ~ $ cd somefolder/ ~/somefolder $ git init Initialized empty Git repository in /home/user/somefolder/.git/ ~/somefolder $ echo test > ...
3
votes
2answers
138 views

TAR: better to skip directory or use split

I've got a file.tar.gz that I create and backup to Amazon S3. It's gotten bigger than Amazon's limits and thus has not been backing up. This is my current command: tar -cpzf file.tar.gz directory/ ...
3
votes
1answer
261 views

How can I copy a file between server using bsdtar?

I'm looking for the fastest way of copying a file between 2 linux servers using bsdtar. With normal tar, I would do something like: ssh root@remote 'tar -cz -C /my/path/ big_file.txt' | tar -zxv ...
3
votes
2answers
5k views

Remove files from tar archive

I have a large file foo.tar.xz that contains a lot (say 200000) of files. I figured out that this archive contains some (around 5000) files I don't want. I don't have sufficient disk space to ...
3
votes
1answer
608 views

HP-UX 9: Backup filesystem using tar

So I've got an HP-UX 9 box that I'm trying to backup, first to a tape with fbackup, to no avail, and now to a folder shared over NFS. I'm using the command "tar -cvf /nfs/Results/backup.tar /" where ...
3
votes
0answers
45 views

Is it safe to use tar even if there are some characters other than ASCII in filenames and paths?

Is it safe to use tar even if there are some characters other than ASCII printable characters? For example, Japanese characters, Chinese characters, newline character etc. Are there any known ...
3
votes
1answer
50 views

Is it possible to add error correction codes (BCH, RS or etc.) to a single file?

As far as I know, WinRAR archives may contain ECC (error correction codes), so if the archive is slightly damaged, then it can be fixed by itself. For example, I can first encode archives.tar to ...
3
votes
2answers
298 views

tar exits with bzip2: (stdin): trailing garbage after EOF ignored after extract

I have extracted a large (3.9GB) tar.bz2 file using the following command: tar -xjvf archive.tar.bz2 The extract proceeds fines but exits printing: bzip2: (stdin): trailing garbage after EOF ...
3
votes
0answers
606 views

tar: /dev/st0: Cannot write: Input/output error

When we attempt to use tar to write data to an LTO-5 tape, we get the following error. The device starts to write, and then fails. See the tar command and output, followed by the dmesg output. I ...
3
votes
1answer
168 views

Compose and pipe a gzipped tar archive in one go

I'm trying to come up with an effective way to create a gzipped archive of various system partitions on Android, piping everything out to stdout so as to be able to encrypt it as it comes across via ...
3
votes
0answers
177 views

debootstrap terminates partway through with “stdin: not in compressed format”

I'm on an Arch GNU/Linux system, fully up-to-date (both official repositories and from the AUR). I'm attempting to install a copy of Debian Wheezy so that I can chroot into it and work with the ...