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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4
votes
1answer
120 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 ...
2
votes
0answers
23 views

Logrotate archive old log files which has date extention

Everyday a log file is created in my directory. But with time, there tend to be a lot of log files. I want to keep the latest 4 log files in .log format, and compress the rest and copy the compressed ...
1
vote
1answer
19 views

How to undo and revert an accidental `7z e`

I accidentally typed 7z e archive.7z and all the files ended up in my home directory when I wanted to extract them in a subfolder. How can I clean the mess and remove all those files?
0
votes
1answer
61 views

Is there a way to use sed or awk to filter data inside a zipped file? [duplicate]

Is there a way to use sed or awk to filter data inside a zipped file? When I run a sed or awk command and send to stdout the file created is 0 bytes.
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 ...
1
vote
0answers
22 views

sync two zip archives (with minimal I/O)?

zip itself can freshen an archive to reflect the current filesystem (e.g. -FS). It only updates zip entries with outdated timestamps. Is there a tool that updates a 2.zip file so that it becomes ...
0
votes
0answers
30 views

Tar corrupting file attributes and skipping directories

While creating tar archives for backup purposes with 'large' numbers of files (200+), I have been repeatedly running into the following errors: tar: some/path/file.xyz: Cannot stat: Invalid argument ...
66
votes
2answers
202k 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?
2
votes
1answer
19 views

How to split existing mailboxes based on date with procmail

I have huge mailboxes I would like to manage based on the age of their content: backup, archival or removal. I would like to split these mailboxes along the date of their contained messages. For a ...
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 ...
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, ...
1
vote
3answers
27 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 ...
0
votes
2answers
28 views

Protected archive (7z, RAR, Zip) open at a specific time

Are there any compression tools that are unopenable or password-protected until a specific time, at when the security is then lifted? Literally an enforced: "Do not open until --/--/----"
4
votes
3answers
375 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 ...
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 ...
2
votes
0answers
271 views

Password protected zip archives open without password

I have a zip archive that is password protected in linux(the password is "secret"). However, whenever I try to open the zip file I am not prompted for a password or anything. I also have a python ...
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 ...
-2
votes
1answer
121 views

Archive file with date-stamp [duplicate]

I want to move(archive) the multiple files from say directory /users/wahasan to /users/wahasan/old. The archive files should be autodated. files are of the format CHKBOI.pos, CHKUTI.pos, ...
1
vote
3answers
78 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: ...
2
votes
2answers
49 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?
3
votes
1answer
94 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 ...
2
votes
1answer
178 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 ...
1
vote
2answers
83 views

Unzip error, is recovery possible?

I compressed 4 separate folders with some wedding videos (!!) a few months ago. Today I tried to unzip them, and had no problem with the last 2, but the first 2 of them show an error: ...
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 ...
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
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
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: ...
2
votes
1answer
404 views

referring to files inside a jar or zip files in Linux

I am wondering if I can refer to files inside JAR or ZIP files using URLs. I mean, without using a tool (such as the Java Jar utility) but just at the operative system level. For example, if I have a ...
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 ...
2
votes
1answer
101 views

zfs deduplication “low” ratio

In Solaris 11, in a pool named mypool I activated deduplication with zfs set dedup=on mypool Then I created two 100 MB file: file1 and its copy file1copy. Only their names are different: their ...
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 ...
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 ...
1
vote
1answer
335 views

Extract incomplete RAR archive under linux (desktop)

I have many not compressed rar multi-part archives on my ftp server. Under Windows, with 7zip I have no problem with extracting part1 when I have not downloaded part2 from server yet. There is ...
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 ...
1
vote
1answer
31 views

Unzip all non-existing or older files from archive

The behaviour I'd like with unzip is to extract all files, overwriting any that are older than those in the archive, not touching any that are the same age or newer, and to never prompt. The options ...
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)
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 ...
2
votes
3answers
343 views

Most “effective” archive to convert to

If you are like me, you have tons of archives lying around in different formats (zip, tar, rar, tgz, tar.bz2 etc). In cleaning up my stuff, I have decided to basically leave my archives alone ( and ...
2
votes
1answer
159 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 ...
0
votes
0answers
16 views

Archives used for software packaging and distribution [duplicate]

I want to list & know information on various archives used for software packaging and distribution regrading which Linux distribution using which? (Ex: Deb archive used by Debian, Ubuntu and Mint ...
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 ...
2
votes
1answer
34 views

appendable and greppable archive on CentOS to hold many log files (logrotate on steroids)

I have a bunch of applications on a CentOS 6.3 box, which generate daily logs (text files with a very similar content) in this vein: /data/logs/app/my-2014-06-29.log ...
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 ...
1
vote
1answer
52 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 ...
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, ...
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 ...
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 ...
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 ...
13
votes
2answers
768 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 ...
2
votes
3answers
69 views

How to know the path to a specific file in a zip archive, without extracting it?

I only know the filename but not its exact location. I would like to extract only that file from the archive. And I need to know its location in the archive.