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

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3
votes
2answers
12k 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 ...
5
votes
1answer
225 views

How do I hook into Tar with BASH?

Long Story Short I'm working with Tar archives that contain PNG images in base64 encoding. I would like to use BASH (or whatever else works) to hook into the extraction function of Tar to decode PNG ...
8
votes
4answers
313 views

Virtual write-only file system for storing files in archive

I have an embarrassingly parallel process that creates a huge amount of nearly (but not completely) identical files. Is there a way to archive the files "on the fly", so that the data does not consume ...
13
votes
2answers
1k views

Is that possible to integrate zip and tar.gz files as directory into the file system

I wonder if there is a way to integrate (it's a bit different from mounting, I think) compressed files as directories into the file system? E.g., one could download a compressed-file.tar.gz to his ...
6
votes
2answers
5k views

modify file ownership for files inside tar archive

I am working as user, and I would like to create a tar archive, which when unpacked (by root) will extract its files with root ownership (otherwise root would have to change the ownership manually for ...
1
vote
1answer
140 views

Un-archiving single file hanging

I am trying to unarchive a very large directory. Here is what works to untar the entire thing: $ sudo tar -xjf itunes20140618.tbz --verbose x itunes20140618/ x itunes20140618/genre_artist x ...
6
votes
3answers
743 views

Multiple tar processes writing to the same archive file at once

I am running many tasks on a Linux cluster. Each task creates many output files. When all tasks are finished, I run something like tar cf foo.tar output_files/to create a tar archive. This is a very ...
2
votes
1answer
299 views

Create animated WebP file from WebP files?

I have converted a sequence of images to WebP, and I want to compile them into an animation. I downloaded libwebp, but it's a tar.gz archive and I don't know how to install those. Is there another ...
9
votes
2answers
809 views

How to convince tar (etc.) to archive block device contents?

I have six Linux logical volumes that together back a virtual machine. The VM is currently shutdown, so its easy to take consistent images of them. I'd like to pack all six images together in an ...
8
votes
1answer
990 views

How should I combine many compressed files into one archive?

I have a few hundred .tar.xz files which are almost identical (they are daily database dumps, and the database changes slowly). I believe that due to the similarities in the uncompressed files, they ...
3
votes
1answer
563 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
1answer
2k 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?
2
votes
1answer
983 views

cpio VS tar - what the best archive solution in order to compress hundred of directories to one file

I have hundreds of directories under /var/Recording, and each directory there will have subdirectories, including files, hard links and soft links. I want to compress all directories under ...
2
votes
2answers
191 views

How to specify a different “top level” name for tar?

I would like to tar root (/) and let it appear as /abc in the tar archive. Is there a tar flag for specifying a custom top-level name?
1
vote
3answers
166 views

TAR Files: Move Files From Subdirectories to Main Directory

I've been trying to use this code: find documents -maxdepth 1 -type f -print0 | xargs -0 tar cvf documents.tar.gz to create a backup of the directory documents. The directory has the structure: ...
7
votes
3answers
5k views

Unpack file compressed in .txz and .tar with one command

I have a file compressed in *.txz. After unpacking it I received a *.tar file. Is there any way to unpack it twice with one command? I mean unpack file (*.tar).txz with one command? For know I'm do ...
1
vote
3answers
38 views

Should I put old projects in tarballs

I never really used tarballs/archived much, except for uploads (with compression). Now I've accumulated a huge list of software projects coding experiments -- basically directories with lots and lots ...
3
votes
2answers
150 views

Help checking the integrity of TAR files for backup

I want make a backup of my Home directory and I've read a good method is to use the tar tool, and I think it suits me well since all I need to do is create a .tar of every folder in the Home directory ...
4
votes
1answer
223 views

How to get tar to hardlink identical content on-the-fly during archive creation?

How can I get tar (or any other program that is commonly available on Linux, e.g. pax) to hardlink duplicate content on-the-fly during archive creation? That is, I'd like to avoid hardlinking upfront ...
1
vote
1answer
120 views

How to transfer a rootfs folder?

I just created a rootfs with debootstrap in a Debian Jessie VirtualBox VM. Now I would like to transfer this to the host, by first compressing the directory to a tar archive, so I can upload it and ...
0
votes
0answers
57 views

Backup server with tar, encrypt and directly transfer the result, AFTER BUFFERING IT

So I've been investigative how to make full backups with tar, and I found that tar is a good tool if the backup is to be made once, and if the server has enough disk space to handle the output file. ...
2
votes
1answer
4k views

Unarchiving a downloaded tarball with Ansible

I'm trying to get WordPress downloaded and installed via Ansible and I can't seem to figure out what I'm doing wrong here. First I download via the get_url module then I attempt to use the unarchive ...
1
vote
1answer
137 views

Copy a rolling “last 2 months” of files

I have a friend who is a photographer and she has a lot of large files as a result. Our current solution is where some files are delivered to my house. I don't have the storage capability to store all ...
3
votes
1answer
85 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 ...
0
votes
2answers
4k views

tgz file give invalid compressed data--format violated [closed]

I have download this file http://download.icu-project.org/files/icu4c/55.1/icu4c-55_1-HPUX11iv3-aCC.tgz https://ssl.icu-project.org/files/icu4c/55.1/icu4c-bin-55_1.md5 md5sum ok But on linux and ...
0
votes
1answer
1k views

How to show a progress bar while tar a folder recursively?

In bash-script execution of taring not shown a progress bar, how to show a progress bar while taring a directory?
11
votes
3answers
7k views

How do I compress files in-place?

I have a machine with 90% hard-disk usage. I want to compress its 500+ log files into a smaller new file. However, the hard disk is too small to keep both the original files and the compressed ones. ...
1
vote
3answers
149 views

how to add files from a folder to archive instead of the folders itself

this is not a duplicate of creating a tar archive without including parent directory If I do tar -czf archive directory, directory will be added to the archive. I want to add the files of the folder ...
1
vote
2answers
403 views

busybox tar or split large file to multiple smaller files

I am running Linux version 3.4.8 on an at91sam9g20. I want to take a large record and split it into multiple files. I have tried a number of methods, but none appear to function correctly, e.g. ...
1
vote
1answer
341 views

Tar and download in one step over ssh / scp [duplicate]

(This seems like an obvious / common question, but I couldn't find it when searching - maybe I wasn't using the correct terminology...) I want to login over ssh to a remote machine, tar a directory, ...
3
votes
1answer
94 views

use tar to extract and immediately compress files from tarball

I have a compressed tarball (eg foo.tar.gz) that I wish to extract all the files from, but the files within the tarball are not compressed. That is to say, the contents of foo.tar.gz are ...
2
votes
2answers
945 views

how to create multi tar archives for a huge folder

I have a large folder with 30M small files. I hope to backup the folder into 30 archives, each tar.gz file will have 1M files. The reason to split into multi archives is that to untar one single large ...
6
votes
4answers
3k views

tar extract into directory with same base name?

I have a ziped file like myArchive123.tar.gz. Inside it contains a folder like helloWorld If I extract it: tar -xf myArchive123.tar.gz I get the helloWorld folder: ls myArchive123.tar.gz helloWorld ...
0
votes
1answer
101 views

make `tar` archive from NTFS with non-ascii file names

Loaded a live disk into a Windows based machine with NTFS files. Being a Linux user for some years, using tar came to my mind instantly and made some backup archives from partitions and stored them ...
2
votes
3answers
147 views

Extracting archive by piping contents of archive into the tar command

I am creating a self-extracting archive and I have got the basic thing going. However I want to set the command that extracts the archive contents tail -n+$ARCHIVE_START_LINE $0 into a variable. I ...
0
votes
0answers
112 views

shell script prompting for password but not taking it while doing tar

In my shell script, I have following lines: function tarIt() { FILE_OWNER=$1 TAR_FILE_NAME=$2 FILE_NAME=$3 su - $FILE_OWNER -c "tar -czf $TAR_FILE_NAME $FILE_NAME 2>&1" if [ ${?} ...
-1
votes
1answer
101 views

Generate a tarball or (.tar.gz) of the recently modified files in the directory

As the title says, I need help creating a linux script that generates a tarball or (.tar.gz) of all the files in the directory passed in as an argument to the script and have been modified in the past ...
4
votes
2answers
4k views

I want to tar X directory not including its parents

tar cvf /var/lib/backup/sample.tar /home/user/.project However, when I extract, I get its parents as well /backup/ - /home/ - /user/ - .project/ This tar commands does it job ...
0
votes
2answers
221 views

Is it possible to list all files in a *.tar.gz file without scanning it's whole contents?

I know this way only: tar --full-time -tvf /path/to/file.tar.gz But it makes tar to scan all the archive and it is time consuming if it is a very big one. My question is maybe there is a way to ...
0
votes
1answer
81 views

How to archive files and not entire path

I'm trying to archive specific files on diferent folders. I use this bash command: tar cf file.tar /home/albertserres/Descargas/file Inside the .tar file i have a folder named home inside another ...
1
vote
2answers
352 views

How to tar, split, pipe, untar over ssh

I'm copying large files over LAN, and I've noticed that with doing one ssh pipe, I can get around 10MB/s transfer speed. However, if I shoot off four of those at the same time, I get around 40MB/s ...
0
votes
1answer
157 views

tar unused files then delete them

I have folder with subfolders and sessions logs. I need some commands or script to tar this folder without usage files and then delete it. I have this construction, but I'm not sure if this leave ...
21
votes
3answers
1k views

What does .??* mean in a shell command?

The following command will tar all "dot" files and folders: tar -zcvf dotfiles.tar.gz .??* I am familiar with regular expressions, but I don't understand how to interpret .??*. I executed ls .??* ...
5
votes
4answers
2k views

tar a result of wget

I want to wget a file and tar it, in one command, I guess it is simple but I can't get it done. I tried several things. wget <url> | tar -cvz file.gz.tar - tar -cvzf file.tar `wget ...
0
votes
1answer
2k views

TAR gives error - tar: You may not specify more than one `-Acdtrux' or `--test-label' option

I am trying to make a tar ball and its throwing the error, persis1@takwa228-DEV $ tar -pcrvzf ALPHA.tar.gz https-ALPHA tar: You may not specify more than one `-Acdtrux' or `--test-label' option Try ...
2
votes
1answer
170 views

Extracting the Contents of tar archive to parent directory issue resulting in creation of sub directories

I have a Tar file: testwebsite.tar I've placed it in the directory I would like to extract its contents to on my Web server which is mytestdirectory I run this command via PuTTY: tar -xvf ...
5
votes
1answer
202 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 ...
3
votes
1answer
3k views

Uncompressing .tar.gz archive to specific directory

How does tar.gz file gets uncompressed with all contents to arbitrary directory, existing or not using tar using single line command? If it does not exists, then is created (directory). To clarify, ...
3
votes
1answer
73 views

Can tar discover the archive format when piping it in via wget?

When I have a tar archive of any format, I can use: tar xf archive.tar.xz tar xf anotherarchive.tar.gz as tar discovers the relevant format by itself. Now I want to download the archives and ...
10
votes
3answers
26k views

Extract multiple .tar.gz files with a single tar call

I was wondering whether (and, of course, how) it’s possible to tell tar to extract multiple files in a single run. I’m an experienced Unix user for several years and of course I know that you can use ...