Compression and archive format that stores one or more files into a single file, usually with a .zip file extension.

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62
votes
2answers
23k views

What is __MACOSX folder?

What are these __MACOSX folders I keep seeing in zip files made by people on OSX? Some take as much as 30% of the file. What program are producing these __MACOSX folder and how can mac users avoid ...
0
votes
4answers
3k views

How can I bulk rename files in a RAR or ZIP archive on the mac?

I have a set of archive files -- both zip and rar formats -- inside of which I need to rename some files. Specifically, I want to do something like this: for each archive file in a directory for ...
20
votes
1answer
32k views

Linux unzip command: Option to force overwrite?

I am writing a shell script that unzips a ZIP file into an existing hierarchy of files, potentially overwriting some of the files. The problem is that the unzip command asks for confirmation: replace ...
6
votes
2answers
3k views

Mount Zip on OSX

Is there any way to mount a zip (or tar, or any compressed file archive) as a volume on OSX? If this is a stupid question for some reason (the structure of zip archives), that would be good to know ...
4
votes
3answers
2k views

Is it feasible to crack ZIP passwords?

I have a piece of software I have to install on company laptops. The installer needs a serial to work properly, but I don't have it (my manager isn't here so I can't ask him). The installer tells me ...
9
votes
4answers
13k views

Best Secure Encryption for Zip Files via Linux

I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done? zip -e -P PASSWORD file1 file2 file3 ...
4
votes
5answers
17k views

How to combine / merge zip files?

For the last several months I have copied several data folders to zip files at weekly intervals. Now I'd like to combine those zip files into one zip file, because most of the contents of the ...
2
votes
3answers
2k views

Windows command line ZIP extraction with checksum or similar?

What I need to do, at the command line, is: Extract the contents of a a ZIP archive. Change an arbitrary number of the extracted files. Repeat step 1, but because it is a huge archive, only extract ...
2
votes
2answers
2k views

Mac zip archives on windows

What is the best way to open zip archives which are made on a Mac? Frequently when I open a zip archive the date file are 0 bytes, while the mac_osx folder is filled with the correct data files. Its ...
0
votes
3answers
178 views

Extracting *.csv from a hundred zips and appending results

What would be an efficient way to extract only all of the *.csv files (not other files inside) from inside a hundred zip files in a single directory? Then I need to make one large file with each CVS ...
2
votes
4answers
453 views

Why are there binary differences among compressed files generated exactly the same way from the exact same starting file?

I use the "diff" command to compare two compressed files generated using zip on the exact same starting file and they are reported as being different. However, when I uncompress them and use the ...
5
votes
2answers
2k views

Get tarball of any public SVN repository

Is there a website that allows one to get the tarball of any specified SVN repository? For example I want to get the tarball or zip of http://svn.python.org/view/python/trunk/ without having to use a ...
1
vote
3answers
2k views

How to decompress the *.TGZ file without changing the orginal file? [duplicate]

Possible Duplicate: How do you gunzip a file and keep the .gz file ? I decompress the file using following command: gunzip -f test.TGZ This gave me test.tar file but I lost the test.TGZ ...
3
votes
4answers
231 views

Compressing a folder periodically

I need to compress a specific folder in Windows on an hourly basis and move it to a different destination folder. How can I do this?
0
votes
3answers
2k views

IE 7 opens .zip files as XML documents

When I try clicking on a zip file link on a web page, IE 7 tries to open it as an XML document and displays: The XML page cannot be displayed Cannot view XML input using XSL style sheet. ...
18
votes
4answers
15k views

tar – extract discarding directory structure

unzip has a nifty option -j, whereby the directory structure of the archive is discarded, and all files are extracted into the same directory. Is there a way of making tar work in the same way? ...
9
votes
7answers
9k 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 ?
6
votes
3answers
6k views

xlsx files are being interpreted as zip files on download, why?

Background: For some reason, whenever a user tries to open an xslx (excel 2007) file from our intranet using MSIE, the file download dialog interprets it as a "zip" file. Admittedly, xslx files ...
3
votes
1answer
621 views

Importing to mysql from a .gz via shell - how to do it without extracting to a file? [duplicate]

Possible Duplicate: Pipe gunzip and mysql to gunzip a dump and import it i have a .gz file of an sql dump. at the moment i extract it to its own file (ie dump.sql.gz extracted to dump.sql) ...
17
votes
7answers
13k views

How can I create a zip / tgz in Linux such that Windows has proper filenames?

Currently, tar -zcf arch.tgz files/* encodes filenames in UTF, so Windows users see all characters spoiled in filenames which are not english, and can do nothing with it. zip -qq -r arch.zip files/* ...
3
votes
3answers
6k views

GUI zip utility for Mac OS X that supports previewing [closed]

I always miss 7-zip when I'm working on my Mac. Does anyone know of a good GUI utility that allows me to preview zip file contents and do partial extracts? I've seen the Unarchiver and various 7-zip ...
4
votes
2answers
7k views

Any good free/open source zip repair tool? [closed]

Is there any simple & freeware program to fix corrupted zip files for windows platform ? I've lot of corrupted zip files and would like to recover some of the files from it
1
vote
1answer
637 views

Why do zip files get corrupted on USB Drives?

Why do older USB drives corrupt zip files? The file size appears the same, but the CRC check fails.
1
vote
5answers
8k views

Dos command to ZIP a file [duplicate]

Possible Duplicate: Windows 2003 zip from command line Can somebody please, let me know that how we can zip a file in a Command line. Please, let me know.
1
vote
1answer
2k views

Missing (or Invisible) Files in a Zip File

I've got a stumper here. I zipped up a directory of php, javascript, css, etc. files on a server running Centos. I used Firefox to download this zip file to a machine running Windows XP. The ...
23
votes
4answers
38k views

Create a tar file for compressing files and directories on Mac OS X

I'm new to Mac OS X and am not sure how to do this: I have three directories. I want to create a tar/zip file of them so that I can attach them to an email. Any ideas?
10
votes
8answers
3k views

Does it take longer to download a zipped file than an unzipped file?

I once read somewhere that it takes longer to download a zipped file than an unzipped file of the same size, due to the nature of the zip file. Is this true or nonsense? edit: i'm speaking about ...
4
votes
6answers
5k views

Are there any free command line based zip utility?

I need to schedule a command line to zip contents of a couple of folders. Are there any free command line based utility that can handle multi volumes? (7Zip is disqualified, the -v parameter is not ...
0
votes
1answer
215 views

Extracting files from ZIP archive by date range

How can I extract files from ZIP archive filtering by date. I want to extract files dated between 2008-9-15 and 2008-10-1. I have Windows XP Pro. I would like to do it from command line. What ...
4
votes
2answers
4k views

Bash command to compress folder(s) with a password

How can I compress two folders into archive file (zip, gzip or something like that) with a password on the files? For example I have folder structure: rootDir dir1 dir2 dir3 dir4 I need bash ...
13
votes
12answers
3k views

What's the advantage of using RAR's?

The RAR file format is somewhat new to me and I'm trying to understand why people are switching to it over the "zip" file format. What's so special about RAR's? My initial assertion is that it's a ...
8
votes
2answers
5k views

How to disable the Windows built-in zip functionality

Is there anyway to disable the built-in zip functionality without using other zip programs?
34
votes
7answers
74k views

How to restore Windows default Zip file functionality?

I recently lost the default file association for Zip files in Windows Vista (I think it happened when I uninstalled WinAce, but I can't be completely sure). How can I restore this association back to ...
1
vote
3answers
9k views

Windows 2003 zip from command line [duplicate]

Possible Duplicate: Can you zip a file from the command prompt using ONLY Windows' built-in capability to zip files? Is there a way to zip a file (or group of files) from the command ...
1
vote
2answers
327 views

Extracting files into separate folders

I have few zip files that has at least 10000 files each. I would like to extract files into separate folders by year and month. How can I do that. I have Windows XP Pro.
-6
votes
6answers
2k views

How long could it take to ZIP my wwwroot with around 2.74 GB of files and folders? [closed]

I want to Zip and backup my wwwroot folder which has around 127 sites and 2.74 GB of data. How long could it take to Zip a folder of this size (appx. 94,329 files and 23,368 folders) and is it safe to ...
7
votes
5answers
4k views

How to open corrupted ZIP files?

How can I open (or repair) corrupted ZIP files on Windows? Is there a way to force 7-Zip to open them?
0
votes
6answers
1k views

A compression program that handles files with unusual extensions

WAR files are simply ZIP files with a renamed extension. I'd like to configure a compression program to handle these (on double-clicking the file), but mine doesn't recognize them unless I rename them ...
1
vote
5answers
4k views

Automatically unzip/untar downloaded files?

Is there a way to automatically unzip/untar everything I download? Preferably without installing anything (I already have enough programs running all the time) and something that works with all ...
15
votes
4answers
14k views

terminal tool (linux) for repair corrupted zip files

I've a corrupt zip file. I've tried to repair it with zip -F file.zip and zip -FF file.zip but was not successful. Is there another terminal tool under Linux for repairing?
8
votes
8answers
22k 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 ...
0
votes
2answers
205 views

Compressed Folder Wizard - other archive formats

Anybody know of a shell extension to make other archive formats, such as RAR, work with Windows' built-in Compressed Folder Wizard?
4
votes
2answers
8k views

Is there a simple, automated way to convert a large number of files between ZIP and RAR formats?

I have about 500 RAR archive files and 300 ZIP files that I want to burn to a DVD and give to someone else. I would like these 800 different archives to be in the same file format, so either 800 ZIP ...
61
votes
20answers
64k views

Compressing with RAR vs ZIP

A lot of people are compressing files with RAR, sending compressed files with RAR and so on. ZIP is more standard and works on all platforms. Windows users have ZIP included and Linux users have no ...
11
votes
7answers
12k views

How to create a zip file compatible with Windows under Linux

I need to make a zip file available to all my Windows users visitors, so I naively produced a zip file with the Unix zip command (let's call it madeinlinux.zip). It opens successfully with WinRar or ...
25
votes
4answers
18k views

Can you configure Windows to open JAR files like ZIP files without a 3rd party tool?

I'd like to be able to examine the contents of a JAR file without having to install Winzip or some other tool and without having to rename the file. Windows Explorer can open ZIP files just fine; is ...