Questions about files containing other files and/or folders, typically in a compressed format to reduce its size and using a file extension such as ZIP or TAR.

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66
votes
2answers
201k views

Can I zip an entire folder using gzip?

I'm trying to zip a folder in unix. Can that be done using the gzip command?
20
votes
4answers
48k views

How to unzip a multipart (spanned) ZIP on Linux?

I need to upload a 400mb file to my web server, but I'm limited to 200mb uploads. My host suggested I use a spanned archive, which I've never done on Linux. I created a test in its own folder, ...
17
votes
5answers
9k views

Is there a parallel file archiver (like tar)?

Is there something out there for parallel archiving of files? Tar is great, but I don't use tape archives, and it's more important to me that the archiving happens quickly (with compression like ...
15
votes
3answers
15k views

Extracting SFX files in Linux

I am trying to extract an SFX file under Linux Mint 15 (64 bit) but it's not working. I've done chmod +x on the file and tried to run it like a script with no luck (it gives me an error that there's ...
13
votes
2answers
767 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 ...
12
votes
5answers
2k views

How to de-unzip, de-tar -xvf — de-unarchive in a messy folder?

Usually, I unarchive things by $ mkdir newFolder; $ mv *.zip newFolder; $ cd newFolder; $unzip *.zip but sometimes I get lazy and just do in an arbitrary folder $ unzip *.zip so time-to-time messing ...
10
votes
5answers
460 views

What Windows-related files are valueless to *nix users?

I have accumulated, from my time using Windows a good quantity of held-over filesystem copies and archives of system and data drives. I am trying to distill them down to the usable parts while ...
10
votes
5answers
7k views

How do I recursively grep through compressed archives?

I'm trying to find out what modules use Test::Version in cpan. So I've used minicpan to mirror it. My problem is that I need to iterate through the archives that are downloaded, and grep the files ...
9
votes
4answers
619 views

filesystem for archiving

I have some complex read-only data in my file system. It contains thousands of snapshots of certain revisions of a svn repository, and the output of regression tests. Identical files between snapshots ...
8
votes
2answers
5k views

Fastest way combine many files into one (tar czf is too slow)

Currently I'm running tar czf to combine backup files. The files are in a specific directory. But the number of files is growing. Using tzr czf takes too much time (more than 20 minutes and ...
8
votes
2answers
368 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
4answers
213 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 ...
8
votes
1answer
6k views

How to check/test .tar.bz archives?

I've been using tar with its "--use-compress-prog=pbzip2" function to archive my files then compress them with pbzip2 to get an "*.tar.bz" archive. Afterwards I checked the resulting file with ...
7
votes
6answers
210 views

Is there any program to provide a consistent interface across multiple archive types?

At the moment, if I download a compressed file, it could be any of a .tar.gz archive, a tar.bz2 arhive, a .zip archive or a .gz archive. And each time I do so, I have to remember what the command line ...
7
votes
6answers
6k views

Extracting nested zip files

I have numerous zip archives, each of which contains a number of zip archives. What is the best way to recursively extract all files contained within this zip archive and its child zip archives, that ...
7
votes
2answers
1k views

Remove accidentally extracted files [duplicate]

Possible Duplicate: How to de-unzip, de-tar -xvf — de-unarchive in a messy folder? This is a pretty annoying occurrence. Sometimes, I download an archive (tar.gz, tar.bz2, zip, rar, ...
7
votes
2answers
668 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)
7
votes
2answers
2k views

Add a file to a different path in a zip file

I have a file that placed in the following directory: folder_A/another_folder_A/file_to_add.xml Now, what I want to do is simply add the file to a folder in an existing zip archive. For example ...
7
votes
4answers
1k 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
2k 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?
6
votes
1answer
280 views

Zip Archive With Limited Number of Files

What command can I use to create zips with a file number limit? I have a folder (no subfolders) of, say, 5000 files, so I would want a command that could divide that number and create 10 individual ...
6
votes
3answers
558 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 ...
6
votes
1answer
212 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 ...
5
votes
1answer
773 views

Appending checksum information to file

I'd like to embed checksum information into file, that I transfer. It's tar.gz or tar.xz file and I can only transfer one file to remote side. How do you recommend I embed checksum information? I ...
5
votes
1answer
163 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 ...
5
votes
1answer
487 views

Can I command 7z to skip compression (but not inclusion) of specific files while compressing a directory with its subs?

There is a feature of the WinRAR (for Windows) archiver I love a lot: it can be set up to skip trying to compress particular files (based on their extension (name pattern)) while including them into a ...
4
votes
2answers
3k 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 ...
4
votes
3answers
372 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 ...
4
votes
2answers
940 views

If I dd a CDROM, then I always get the exact copy of the CDROM?

If I: dd if=/dev/cdrom of=cdrom.iso then I will always get the exact same, bit-by-bitly same image that is the same as the original CDROM? Or are there any methods that prevents copying all the ...
4
votes
1answer
119 views

ZIP files with size limit

Is there a command to create multiple ZIP files based on file size? So that in a folder of 600 files, totalling 1 GB, the command will create 4 zips roughly equal to 250mb. There's a similar command ...
4
votes
3answers
296 views

Indexed archive format?

I need to create compressed archives of files, and be able to quickly extract individual files/directories from them. The problem is, for example, tar.bz2 seems to be not the best choice for such ...
4
votes
2answers
1k 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 ...
4
votes
1answer
24 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 ...
4
votes
1answer
118 views

Utility to easily extract archives

A while back I came across a utility that you could pass an archive to and it would not only take care of figuring out the unarchiver to use, but use the correct command line options, and ensure that ...
3
votes
2answers
201 views

what are the techniques to extract files safely?

Yesterday I was making some experiments on Slitaz. It uses multiple initrd.img's to store files/changes. I wanted to extract one of its initrd.gz images (which is a cpio archive) to a folder, ...
3
votes
2answers
331 views

GUI archive manager that works well over ssh

I'm using file-roller and it doesn't work well when my archive file is accessed via ssh (it throws an error when I try to open it). Any alternatives?
3
votes
2answers
72 views

Unzip into directory, independent if directory is contained in ZIP

Let's assume I've a ZIP file whichs content may look like # file: with_out_dir.zip file1.txt file2.cpp file3.js some_sub_dir/ - file_in_subdir.txt file4.xml but it may also look like this # file: ...
3
votes
1answer
409 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
5k 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
173 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
230 views

rsync archive mode

I have been reading plenty of articles regarding rsync and its -a switch. As per theory, I have understood that it preserves a lot of properties like permission, time, group, owner, etc., but why ...
3
votes
2answers
2k views

How do I extract the filesystem image from vmlinux.bin?

jor1k ships a vmlinux.bin. I think there is an initrd inside, cause I don't know where else it would be. I am trying to extract the filesystem image so I can change it, but I don't know how to. I ...
3
votes
2answers
359 views

shell howto: save multiple binary data files (jpg) to one file with some additional data and separate again

I have a system with restricted calculational power (fritzbox) and functions (busybox) and an webcam, able to deliver JPG files. Now I'm looking for for a method (based on shell script) to download ...
3
votes
1answer
181 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
29 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 ...
3
votes
1answer
199 views

Recover the content of a Firefox .part file?

The question says it all, I have a <filename>.zip.part file in my Firefox download directory which is ~150MB and I'd like to recover its content. The original file was a very large zip archive ...
3
votes
1answer
199 views

I need an fstab example for archivemount (want to umount without my password)

I am using archivemount to mount one of several tar.bz files in Ubuntu. It works very nicely for me. I mount and umount frequently (I'm in a testing phase). I want a solution that will allow me to ...
3
votes
1answer
55 views

Is there a GUI tool to show an archive information with ratio visualization?

Is there a GUI tool to show an archive information with ratio visualization like this:
3
votes
1answer
93 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
0answers
107 views

Configuring networked printer to archive print jobs

Our existing infrastructure has a shared printer running on a windows machine. It may be upgraded to a real network tcp/ip based printer in the near future. How can I make it automatically keep a ...