7-Zip is an open source file compression and archiving application

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10
votes
8answers
21k views

How to make 7-zip do a whole bunch of folders

I got a bunch of pictures that I had to crop into 800x600 pixels. That was easily done, but now I have to upload them so the family can see them all. Thing is, this is 500MB in pictures. I decided to ...
52
votes
4answers
154k views

How to split large file on Windows?

Is there a tool to split large text file (9Gb) into smaller files so that I can open it and look through? Anything usable from command line that comes with Windows (XP)? Or what's the best way to ...
1
vote
2answers
1k views

selfextracting archive with 7zip via cmd.exe

I downloaded 7za.exe and did this to compress a file.exe: 7za.rar a -mx9 archive file.exe Now I want to create a selfextracting archive (.exe), so I tried this: 7za.rar a -mx9 -sfx archive ...
2
votes
6answers
2k views

Mounting a .7zip file containing .tar

I have downloaded wikipedia in a compressed form. It is a .7z file, which contains a .tar file. In compressed form it is only 14 GB. If I uncompress it, it has 208 GB in it. And I don't have that much ...
45
votes
3answers
60k views

How can I unzip a .tar.gz in one step (using 7-Zip)?

I am using 7-Zip on Windows XP and whenever I download a .tar.gz file it takes me two steps to completely extract the file(s). I right-click on the example.tar.gz file and choose 7-Zip --> Extract ...
0
votes
1answer
4k views

Unzip a multi-file zip archive in freebsd

I created a multi-file zip archive of some files using 7zip on Windows to allow more easy uploading to my server. I now want to unzip this archive on the server, but I get this error: [user@host ...
0
votes
2answers
7k views

7zip Add Operation Not Supported?

When I try to add a new file to a zipped archive, I get the message "Operation not supported." Anyone know how to fix this?
14
votes
7answers
14k views

7zip doesn't ask me for password for a zip I encrypted while double-clicking it

I just tried to encrypt a folder with 7zip by command line choosing a password but when double-clicking on the zip file, it shows me the files list without asking any password. Any other alternative ...
0
votes
1answer
2k views

PHPMyadmin doesn't seem to be able to read zip files compressed with 7zip

Each time I get this when trying to import: Error in ZIP archive: CRC32 checksum is not equal with the value in header information. Which software should I use for phpmyadmin then ?
23
votes
5answers
17k views

How can I open a .7z file in Ubuntu?

How can I open a .7z file in Ubuntu?
4
votes
3answers
2k views

How to add a root folder to files archived with 7zip

I want to create a distribution archive of my code that includes a subset of directories and excludes all the subversion files. I would like the files to be added to the archive with a root folder ...
3
votes
2answers
6k views

Extracting .exe executables and back again using 7-Zip?

I figured out, by accident, that I can extract .exe executables (what for?). Though the files make no sense whatsoever, how do I put those extracted files back into an .exe executable?
4
votes
4answers
4k views

Can I open a Disk2vhd created VHD file with 7-zip?

I've created a VHD file of my C: drive, for backup purposes, using Disk2vhd 1.0. When I try opening the file using 7-Zip 4.65 (to view the contents) I get the error: "Can not open the file XXX as an ...
0
votes
2answers
2k views

7-zip command line escaping

Is it possible to escape characters from the source file or archive when using 7-zip's command line interface. For example: 7z a "My%Archive.zip" "My%File.txt" -mx9 This command line fails at both ...
21
votes
3answers
39k views

Is it possible to execute a file after extraction from a 7-Zip self-extracting archive (SFX) archive?

I'm try to make a compressed deploy-able application. Currently I'm taking a set of files that I've published from my IDE (Visual Studio 2008 - WPF published application) and compressing ...
4
votes
1answer
5k views

How do I setup Task Scheduler in Windows 7 to compress a folder using 7-Zip File Manager?

I would like to get 7-Zip Manager to zip my wwwroot folder on a weekly basis. Is it possible to automate this with Windows 7 Task Scheduler, and if so, what are the exact steps to do this?
2
votes
3answers
2k views

programmatically extract tar.gz in a single step (on windows with 7zip)

PROBLEM: I would like to be able to extract tar.gz files in a single step. This makes my question almost identical to this one: stackoverflow question for tar-gz. My question is almost the same, but ...
9
votes
7answers
2k views

7-zip for linux

7-zip for linux, does such a thing exist? I mean actually 7-zip or a port, not another compression tool or command
36
votes
6answers
47k views

How do I use 7-zip to backup files, but exclude some directories

I would like to use 7-zip to backup a directory, but I would like it to exclude all directories named ".svn" (anywhere in the source tree). Does anybody know if this is possible and in that case how?
11
votes
8answers
42k views

How do I reassemble a zip file that has been emailed in multiple parts?

I received 3 emails each containing part of a zip file. The extensions end in .z00, .z01 and .z02. (Emailed as such to get around the typical 10Mb attachment limit per email.) I have put all 3 files ...
12
votes
5answers
9k views

Is there a way of replacing those ghastly 7-Zip default icons?

I like 7-Zip a lot - it's my compression utility of choice on Vista and XP. I have just one problem with it: it's butt ugly. I'm really kind of reluctant to install it on my fresh Windows 7 system ...
10
votes
8answers
17k views

Why doesn't ZIP Compression compress anything?

A 398MB directory was only compressed to 393MB using 7Z and Normal ZIP compression. Is this normal? If so, why do people continue to use ZIP on Windows?