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

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3answers
14k views

tar: Unexpected EOF in archive

I am trying extract .tar.gz file it but with no luck gzip: stdin: unexpected end of file tar: Unexpected EOF in archive tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now the ...
19
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4answers
8k views

Does tar actually compress files, or just group them together?

I usually assumed that tar was a compression utility, but I am unsure, does it actually compress files, or is it just like an ISO file, a file to hold files?
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0answers
166 views

Using tar to backup and restore a path mounted with overlayfs

I have a system running OpenWRT with Linux 2.6.39.2. In my filesystem, I have symlinks contained in /etc/rc.d on ROM and more symlinks contained in /overlay/etc/rc.d in flash. overlayfs does a union ...
-1
votes
1answer
76 views

how to untar a file in Ubuntu? [closed]

Whenever I am writing this: tar - xvf grads-2.0.2.oga.2-bundle.tar.gz I am getting this: You must specify one of the '-Acdtrux', '--delete' or '--test-label' options How to use this?
1
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1answer
672 views

XZ - Cannot allocate memory

If i run this command: XZ_OPT=-9 tar --xz -cvf files/compressed/xz/archive.tar.xz -C files/original/ . Get this message: xz: (stdin): Cannot allocate memory tar: ...
1
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1answer
98 views

Set LZMA compression level via tar [duplicate]

How can I set the compression level for this command? tar --lzma -cf files/compressed/lzma/archive.lzma -C files/original/ . With --bzip I just use: BZIP2=-9 tar --bzip2 -cf ...
37
votes
3answers
90k views

Add/update a file to an existing tar.gz archive?

Is there a way to add/update a file in a tar.gz archive? Basically, I have an archive which contains a file at /data/data/com.myapp.backup/./files/settings.txt and I'd like to pull that file from the ...
2
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1answer
80 views

Output file generated by tar

tar can be used to gather a whole directory into a single file. I tried with the sample directory sampledir containing just some text files, with no subdirectories. Originally the directory occupies ...
0
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2answers
72 views

How to determine where a tarball expanded

I ran the following on Redhat linux: tar zxvf jdk-7u79-linux-x64.tar.gz resulting in: jdk1.7.0_79/ jdk1.7.0_79/LICENSE jdk1.7.0_79/release jdk1.7.0_79/jre/ jdk1.7.0_79/jre/LICENSE ...
4
votes
2answers
58 views

Can I store and work with a directory in compressed form?

I have to work with many large sized directories which are shipped around in the form of tarballs. However, in order to really do any operations these tarballs have to be untarred into directories and ...
1
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1answer
109 views

tar in parallel [duplicate]

I have a directory with several hundred sub-directories. I want to tar and compress each sub-directory and name the resulting file <currentDirName>.tar.bz2. I have done: find ./dir -type f ...
1
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1answer
66 views

tar ignoring “newer” option

How do I get tar to only include files newer than a certain date? I have tried the following, both of which include older and newer files (today is 2015-07-20): tar -cj -N 2015-07-07 directory | tar ...
8
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3answers
2k views

Pack file with tar.gz from root directory

I try to pack a .csv file with tar.gz, while being in the root directory. The file myfile.csv is located at /mnt/sdb1/ So the full filename is /mnt/sdb1/myfile.csv I try to save the tar.gz under ...
4
votes
2answers
466 views

unable to back-up data from android tablet to laptop using tar!

I'm using tar to back-up data from my android tablet to laptop. But it is showing some error. ravbholua@ravbholua-Aspire-5315:/run/user/ravbholua/gvfs/mtp:host=%5Busb%3A002%2C003%5D/65537/9$ tar -cvf ...
2
votes
1answer
59 views

How to tar-bzip old files in yearly groups

I wish to know a command I can use to grab and archive all files for a year at a time. I am working on a directory that has 72000 files, with files dated from 2007 to current. And I wish to make that ...
1
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2answers
136 views

tar extract hangs on non-existent file

I tried to extract a valid tar gzip file, P.tgz. It hangs infinitely. tar -x P.tgz This archive is of very small size. But it never gets completed. I tried with a non-existent tar archive, ...
3
votes
4answers
2k views

Is it possible to make a .tar.gz file directly from stdin? Or, I need to tar together already gzipped files

I'm going to tell you exactly what I need in order to clarify the cryptic question in the title. I'm currently making scheduled MySQL backups of all my databases with something like: mysqldump ... | ...
10
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3answers
3k views

Is there a way to convert a zip to a tar without extracting it to the filesystem?

Is there a way to convert a zip archive to a tar archive without extracting to a temporary directory first? (and without writing my own implementation of tar or unzip)
0
votes
1answer
108 views

Can I use lzma compression, without using “tar”, on OSX 10.10.3?

I kind of think of OSX as Unix by another name. But, if I need to move this to the Apple forum, please tell me! I can create tar files compressed using lzma as such: $ ls ./DbDumps alpha.dmp ...
4
votes
1answer
84 views

How can I repair a tar file where stderr got mixed with stdout?

I have a tar file that I'm trying to repair. The problem is that tar's stderr got mixed in with its stdout, so the file looks like this: % head android-1435613730.tar tar: removing leading '/' from ...
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2answers
155 views

Tar - exclude all files in sub folder but not nested folders

I need to create a .tgz archive of the following folder pack | rest | vendor (folder) | ----index.php | ----info.log | another (folder) | ---index.php ...
8
votes
3answers
531 views

Can tarring files improve compression?

Can tarring a bunch of files together improve compression with the standard tools, e.g. gzip, bzip2, xz? I've long thought this to be the case but never tested it out. If we have 2 copies of the same ...
2
votes
1answer
877 views

'Tar' the result of a 'find', preserving the directory structure

I want to tar all the *.txt files that I get as the result of a find command, that exist in a directory having a tree structure like this: Directory_name dir1 file1.pdf file1.txt dir2 ...
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0answers
100 views

untar error - Cannot change mode to rwxr-sr-x

I am trying to untar a .gz file , which is stored in the /root folder onto a directory in /mnt/flash2/example I use the following command - tar xzf filename.gz --no-same-owner -C /mnt/flash2/example ...
4
votes
1answer
150 views

Are tars deduplicatable at the block level?

Quite simply, when a tar file is made on disk, would the extents be deduplicatable with extents inside and/or outside of the tar? I am asking in the theoretical sense, so if the extents of data are ...
3
votes
5answers
2k views

View a file in a tar archive without extracting it

I want to view the content of the tarred file without extracting it, Scenario: I have a.tar and inside there is a file called ./x/y.txt. I want to view the content of y.txt without actually ...
17
votes
2answers
14k views

Prevent showing time stamp message when running “tar xzf”

When running tar xzf, how to prevent this message (Prevent showing time stamp message): tar: node: time stamp 2011-06-07 02:02:30 is 8309 s in the future tar: user/Node: time stamp 2011-06-07 ...
0
votes
0answers
135 views

I can fix/repair small damaged tar.gz files using fixgz but it doesn't work on bigger files

The title tells it. I have some damaged .tar.gz files, most of them are pretty small (smaller than 1-2gb) but 4 of them are bigger and fixgz cant fix them, when i run fixgz for those big files, it ...
0
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1answer
182 views

tar with -C not working [duplicate]

I am trying to un-tar into a different directory using this tar xvf BACKUP.tar -C test But I am getting the following errors File -C not present in the archive. File test not present in the ...
0
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1answer
157 views

tar exclude files *.zip

Why don't *.zip patterns work in tar : tar cfjv backup.tar.bz2 --exclude mydir/files/*.zip mydir Is there another syntax?
0
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1answer
236 views

Extract files from a corrupted .gz file

I tried to compress a directory using tar -zcvf output.gz input_dir. I suppose I should have used a .tgz extension for compressing. How do I untar output.gz? I tried both tar zxvf output.gz, which ...
3
votes
2answers
126 views

Including process output in tar file

I have a simple bash script to generate a compressed tar file and upload it to an external server for backup purposes. In addition to files on the server, I'd like to include dumps of a few mysql ...
1
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2answers
105 views

Pack installed system in tar.gz file

I have arch linux installed, with partition scheme like this: /dev/mapper/lvm-root -> / /dev/mapper/lvm-home -> /home /dev/mapper/lvm-opt -> /opt /dev/mapper/lvm-pkg -> ...
7
votes
3answers
6k 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 ...
43
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6answers
65k views

tar: Removing leading `/' from member names

root@server # tar fcz bkup.tar.gz /home/foo/ tar: Removing leading `/' from member names How can I solve this problem and keep the / on file names ?
2
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3answers
103 views

tar compresses folder, but creates nested structure

I have the following folders on a linux machine ./myFolder ./tmp ./packages ./zips compress.sh I run tar -czf ./zips/someFile.tar.gz ./tmp/someFolder from compress.sh. The folder is ...
8
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5answers
3k views

Does gzip add integrity/crc check to a .tar?

I run commands: tar -cf myArchive.tar myDirectory/ gzip myArchive.tar then I copy the file over a lot of unreliable mediums, and later I unpack it using: tar -xzf myArchive.tar.gz The fact that ...
0
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2answers
1k views

how to untar file in linux red hat?

I am compiling linux red hat stable kernel on red hat linux and the error which I am facing is as below
1
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1answer
45 views

How to specify a common parent folder to tar files from different sources into

Here is the current command I'm running: tar --directory=/Users/joe/images -czvf images.tgz dir1/image1.jpg dir2/image2.jpg As you can see, this is using /Users/joe/images as the root directory, and ...
0
votes
1answer
18 views

How do I test for existence of a file(s) within a certain directory before making a Tar of that directory?

How do I test for existence of a file(s) within a certain directory before making a Tar of that directory? Would it possibly look like this: if [ -f /home/backup ]; then tar cf name.tar; fi
4
votes
2answers
5k views

Why doesn't tar ask before overwriting existing files?

I lost a couple hundred lines of a Vim plugin I wrote and continue back up every so often because I extracted a tar file containing an older version. I decided not to use source control management ...
9
votes
4answers
2k views

Faster alternative to ArchiveMount?

At the moment I am using ArchiveMount to mount a 123,000 kb archive that contains more then 3 million files inside. So far it has been mounting for 5+ hours and still isn't finished. Is there a ...
6
votes
2answers
4k views

What's the difference between tar.gz and tar.Z?

The downloads on this page, e.g. of NetCDF C/C++/Fortran 4.1.3, show tar.Z and tar.gz formats. The tar.Z doesn't even have a configure file in it. What is it used for?
3
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1answer
189 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 ...
1
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1answer
551 views

tar -c Error Messages and Source Files?

During a tar archiving operation with tar -cvf archive.tar source does the resulting tar archive that reports a file changed as we read it error still contain "some version" of the source file that it ...
1
vote
4answers
666 views

Command substitution grepping ls output causes error

I'm trying to make a tar.tgz file using command substitution There are backups of 17 Aug 2012 -rw-r----- 1 ossec 502 804M Aug 17 2012 BKPMDISINT_i6nir20j.F_bkp -rw-r----- 1 ossec 502 2.7G Aug 17 ...
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
223 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
311 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
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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 ...