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

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14
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9answers
29k views

Extract large zip file (50 GB) on Mac OS X

I was trying to move the files to another hard drive. So I archived all my photos in one large ZIP file using the Mac OS X built-in compress function. But the file failed to extract. I've tried ...
2
votes
1answer
23 views

Does any version of Windows support uncompressing splitted archives natively?

I mean, are multi-volume .zip archives, or maybe any other kind of archive format, natively supported without any third-party application like 7Zip or WinRAR?
0
votes
1answer
228 views

Running ZIP Process in Background in CentOS

How can I run the following command/process in background immediately after starting it: zip -r file.zip directory/* What I actually want to do, is to run the zip process working even after exiting ...
0
votes
1answer
818 views

Recursively compress files in a directory and subdirectories using command line “zip” tool in Mac OS X and exclude .DS_Store files from ALL subfolders

I'm trying to create a ZIP file using the command line zip tool that comes with the Mac OS X Terminal. I want to recursively compress the contents of the current folder but excluding .DS_Store files. ...
1
vote
1answer
180 views

How do you know the size of a 7zip compressed file?

With an archive file, I can only ever find the size of the file before compression, its original size, which I know. What about the size of the new, smaller compressed size?
2
votes
0answers
43 views

Zipping a text file with sha256 hashes seems too efficient

I have an ASCII-encoded text file where each line has the following structure: XYplorer nn.nn.nnnn [yyyy-mm-dd hh.mm.ss] [S256 S256].zip ↑↑ ↑↑ ↑↑↑↑ ↑↑↑↑ ↑↑ ↑↑ ↑↑ ↑↑ ↑↑ ↑64× ↑64× so a ...
0
votes
1answer
152 views

“recompress” a 7z archive inline

I have a rather large (~500GB) 7-zip archive. I originally made it when I had more space available, and did so at rather fast, low-compression settings. Now things are tight, and I'd like to try and ...
0
votes
0answers
45 views

How can I split a series of concatenated ZIP files back out into individual files?

I have a series of complete, standalone zip files which have been concatenated together through a serial device; for testing purposes, one might think of cat 1.zip 2.zip 3.zip >all.zip. Now, given ...
9
votes
5answers
9k views

How can I control the order of files in a ZIP archive?

There are times when it is necessary for the files in a ZIP archive to be in a specific order (for example, I'm currently creating EPUBs, which require that the first entry in the ZIP be the mimetype ...
1
vote
1answer
79 views

7zip : Set archive's LastWriteTime as old as the content

On windows, with 7za.exe v9.38, how can I set the archive's LastWriteTime (or CreationTime) same as the content? For example : I have a "toto.txt" file, created and last written on 01/01/15. 7za.exe ...
0
votes
0answers
26 views

Big encrypted zip and bad sector

I've got one big (11.6 GB) file in encrypted zip. But I've lost 4096 bytes (one sector) near 1 GB from begin file. I copy it by "dd ... conv=sync,noerror". I can decrypt 916 MB of file but then it ...
0
votes
2answers
2k views

how to open a zipped folder shown as zip.xml file?

I zipped some folders using winzip on my old laptop and copied to an external drive. The folders contain all types of files including xls, doc, ppt, etc. Now I am trying to open the zipped folders in ...
0
votes
1answer
29 views

Unzipping Taking A Long Time (about 200-800kbs)

On Windows 8. Unzipping is unbearably slow, as is downloading for that matter. Just unzipped a 700mb .zip file and it took about 19 minutes at anywhere between 200-800kbs. This keeps happening. I ...
0
votes
1answer
316 views

7zip: compress and copy to destination folder

I am trying to do the following: command line compress a file from C:\TestFolder\file.txt (source location) and on the same command or bat file put that compressed file in (a destination folder) C:\...
1
vote
0answers
67 views
10
votes
6answers
31k 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 ...
1
vote
0answers
55 views

Search text in zipped files and move them to other folder

Friends, On my Mac, I have 100s of zip files in a directory named Test. Let's assume I have files a.zip,b.zip,c.zip....... Now I want to grep all files for a text "searchText" and move the matching ...
2
votes
0answers
86 views

view zip file content in tree command style

I am seeing the zip file content using unzip -l files.zip | less but it outputs in ls style , is it possible to to display output in tree command style
3
votes
0answers
239 views

Possible bug in 7zip - empty folders extract as empty files

I have a directory structure as follows: Main | |--empty_folder | |--folder | |--example.txt I'm zipping it using the .NET ZipFile.CreateFromDirectory method (but I doubt this has anything to ...
1
vote
1answer
88 views

how to achieve same compression in linux and windows

I have a example.jar file. I'm trying update a class file in the jar. when I'm packing the class file using jar or zip utility(command line-linux) I tried : jar uf my MyJarFile.jar ...
1
vote
1answer
7k views

Unix zip: zip multiple folders in to one zip file without creating a top containing folder

I have a folder like this: -resources --graphics --sounds I want to zip graphics and sounds folder into a .zip file named resources.zip, which I will use zip -r resources.zip graphics/ sounds/ ...
20
votes
2answers
15k views

Is zip's encryption really bad?

The standard advice for many years regarding compression and encryption has been that the encryption strength of zip is bad. Is this really the case in this day and age? I read this article about ...
0
votes
1answer
34 views

Unzipping from Flash Drive and Drive Wear

If I have a zip file on a thumb flash drive and I want to unzip it to hard disk, is there any write activity on the flash drive, or is it reading only? Because if there is any writing, I would want ...
0
votes
1answer
308 views

zip extractor reading archives from stdin

As follows from UNZIP(1L) man page Archives read from standard input are not yet supported Are there another CLI programs running under Linux/cygwin which can extract from zip archives reading ...
8
votes
1answer
811 views

Fix encoding of German umlauts in directories and filenames (ü = u╠ê and so on)

I have many zip-files where there are encoding errors for the German umlauts (äüöÄÜÖß). They show up in both the filename.zip as well as in the included directories and files like this: Fünf = Fu╠...
2
votes
2answers
3k views

Winrar command line zip folder

I am trying to use WinRAR command line to zip folder: "c:\Program Files\WinRAR\WinRAR.exe" a -afzip "e:\output.zip" "e:\foldertozip\" If the foldertozip contains file, the command line works. But ...
2
votes
1answer
2k views

Compress large CSV FIle? (500MB)

I have a CSV-File which is 500MB of size. I am searching for a way to compress is to it smallest possible size. I actually received the file back then in a ZIP-Folder which was only about 50MB of ...
2
votes
1answer
95 views

Why does 7-Zip's compression speed lower over time?

I'm busy backing up my local server files, which amounts to just under 4GB of data in ~295000 files. I selected 7z as the format, and set the level to Store. The process started pretty quickly, but ...
0
votes
1answer
104 views

How do I zip files with the same name?

I'm on a Mac OS X 10.10.4 I need this: Detecting files with the same name, but different extension. (aaa.ai, aaa.eps, aaa.pdf and bbb.ai, bbb,eps, bbb.pdf and so on) Compressing those with the same ...
0
votes
0answers
22 views

Create archive with compression method 14

I received an archive which has the following header structure (example structure): 50 4b 03 04 14 00 00 00 0e 00 55 7b ae 46 17 7e db 6d 0b 1f 00 00 f6 06 02 00 16 00 00 00 //filename 50 4b 03 04 ...
0
votes
1answer
139 views

extract all .jpg files from all .zip and .rar files in a directory and its subdirectories

I think I've prettu much said it all. I want to create a .bat that lets me extract all files with a certain extrnsion from all .rar and .zip files in a folder, all together into another folder. ...
0
votes
1answer
16 views

Can I use the “Open with…” context menu item within zip folders?

Normally in windows explorer, there is an "Open with..." item in the context menu, that allows choosing a non-default program to open the file with. When within a zip folder, this menu item is ...
1
vote
2answers
202 views

bash: find and zip all subfolders of a folder

how would one find all subfolders of a folder and zip them separately ? folder structure ./folder -subfolder_1 -subfolder_2 -subfolder_3 expected result: ./folder -...
0
votes
2answers
459 views

Using command-line to pack files individually into .zip format while keeping directory structure

I'm trying to create a cmd script that recursively traverses a directory and zip each file individually. This I have done here: for /R %%b IN (*.*) do ( "C:\Program Files\WinRAR\WinRAR.exe" a "%%~nb....
0
votes
1answer
2k views

.zip corrupted on Mac

I've got a .zip file of approx. 20GB. (20,497,570,063 bytes) I am trying to uncompress it but both Archive Utility and Terminal are failing to do so. Archive Utility is giving error 2 (no such file ...
-1
votes
1answer
38 views

Need help extracting Windows 7 Enterprise aero.theme file

Ok SuperUsers, I need help extracting the native aero.theme file. (Not the downloaded themepacks). This is the one that ships natively with Windows 7 Enterprise. Specifically I am looking to get the ...
0
votes
2answers
601 views

Automating a folder backup task (zip, move, then rename according to naming convention)

I am attempting to automate the backup of a folder on a Windows 2003 R2 server (currently a manual process). There are three components to this task: 1) Generate a zip file of the following folder ...
28
votes
8answers
29k 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 ...
1
vote
0answers
90 views

7zip only asks me for a password once when I open an encrypted file

I archived some files on my laptop and encrypted them using 7zip and the first time I tried to open a file, it asks for the password, but after that it never asks for a password... is there a way to ...
2
votes
2answers
189 views

How to compress multiple files with similar names?

So I've got some 20 000 files that I want to compress and group by following logic: compress every file that have identical characters up to ( also include files that have no ( So the files are ...
1
vote
1answer
63 views

Can I make windows open renamed zip files in explorer?

I have some files on my system (extension .sublime-package). These files are nothing but a .zip with a different file extension. I can currently browse them by renaming the file, then double clicking ...
0
votes
1answer
2k views

Combine unzipped xml files back into a working XLSX file

I can rename an Excel file extension from .XLSX to .zip and extract out the xml files. How do I combine individual Excel xml files back into a single XLSX file? I tried zipping up the folder and ...
1
vote
1answer
561 views

How to zip an archive while keeping some symlinks but not others? (OS X)

I'm using the zip command line tool on OS X to compress an Xcode project folder. Included in that folder is a .framework for OS X which includes symlinks like xx.framework/Versions/Current which ...
0
votes
0answers
245 views

Unzipped Files Missing When Unzipped to Zip Parent Directory on Network

Related to but not the same as: http://stackoverflow.com/questions/30509013/files-not-displaying-in-windows-explorer-following-vba-unzip In trying to solve the above linked question, I have stopped ...
3
votes
2answers
14k views

How to extract data from a partially corrupt multi-part rar archive?

I downloaded a video that's 11 parts the other day. Today I tried to extract it but it tells me that part04 is corrupt. So I checked "keep broken files", but of course it only gave me the beginning of ...
7
votes
5answers
6k 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?
3
votes
1answer
3k views

How can I compare just the file contents of two zip files

I created these two zip files about 24 hours apart. $ ls -l /tmp/*.zip -rw-rw-r-- 1 scott scott 1401289 Mar 21 20:11 /tmp/inc1.zip -rw-rw-r-- 1 scott scott 1401289 Mar 22 19:29 /tmp/inc2.zip You ...
0
votes
1answer
65 views

How to recursively compress subdirectory's files with password

I need to recursively compress subdirectory's files with password and then delete the uncompressed file in bash file. There are zip files and other files. I don't want to compress zip files again. I ...
1
vote
1answer
403 views

Does unzipping a file on a remote server download the files back to my local?

I need to copy a high number of files to a remote windows server. I am connecting to it via VPN and then browsing to the remote folder in Windows Explorer. Problem is uploading is really slow, ...
1
vote
1answer
430 views

I can't get compress.exe to produce anything

I'm trying to emulate the Windows Send to/Compressed (zipped) folder function using the Microsoft tool compress.exe, included as part of the Windows Server 2003 Resource Kit. It might not be possible ...