Questions tagged [zip]
Compression and archive format that stores one or more files into a single file, usually with a .zip file extension.
120
questions
91
votes
21
answers
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Compressing with RAR vs ZIP [closed]
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 ...
120
votes
6
answers
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What are the best options to use when compressing files using 7 Zip?
I often have to gather log files and upload them to a central server (Owned by another company). The central server has a size limit of the file, so I am trying to create the smallest file possible ...
140
votes
13
answers
481k
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Can you zip a file from the command prompt using ONLY Windows' built-in capability to zip files?
I have a batch file that outputs a text file. I thought it would be nice if I could zip it up too.
This will be used in an uncontrolled environment, so I can't make assumptions about the presence of ...
53
votes
7
answers
159k
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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 ...
76
votes
10
answers
81k
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Compressing folders on a mac, without the .DS_Store
Is there anyway to get rid of the .DS_Store when compressing a folder on a mac?
I work on a mac and send work to clients in zip format, but always get questioned on the .DS_Store folder inside them. ...
47
votes
5
answers
35k
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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 ...
22
votes
2
answers
107k
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Error while zipping files with unicode characters in names with Win7's "send to > compressed (zipped) folder"
When I try to zip files containing unicode characters in their names, such as © or ™, I get the following error:
[Window Title] Compressed (zipped) Folders Error
[Content] 'C:\Asd™.txt' cannot ...
225
votes
4
answers
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What is “__MACOSX” folder I keep seeing in Zip files made by people on OS X?
What are these __MACOSX folders I keep seeing in Zip files made by people on OS X? Some take as much as 30% of the file.
What program are producing these __MACOSX folder and how can mac users avoid ...
44
votes
5
answers
82k
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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? ...
8
votes
1
answer
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How to zip multiple files into separate archives?
I admit this question was asked here before:
Like Zip into separate files where the person who asked didn't specify the OS he used and received no answers.
I need to separate a huge directory into ...
4
votes
3
answers
4k
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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 ...
2
votes
2
answers
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Compress a folder into multiple zip files
I'm on mac osx.
1.
Is there any tool to compress a folder into multiple zip files ?
2.
Is there any tool to split a compressed zip file into smaller zip files (to open individually later) ?
thanks
697
votes
12
answers
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View list of files in ZIP archive on Linux
How can I view the list of files in a ZIP archive without decompressing it?
55
votes
11
answers
278k
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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 ...
25
votes
2
answers
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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 ...
25
votes
4
answers
26k
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zip: Argument list too long (80.000 files in overall)
I need to compress 80.000 files into multiple zip files. This is the command I use:
zip -s 200M photos_test/*
However I get the following error:
-bash: /usr/bin/zip: Argument list too long
What ...
8
votes
2
answers
39k
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Why does a zip file appear larger than the source file especially when it is text?
I have a text file that is 19 bytes in size and having compressed the file using zip and 7zip, it appears to be larger. I had a read of the question on Why is a 7zipped file larger than the raw file? ...
253
votes
8
answers
390k
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Read the contents of a zipped file without extraction?
How can I read the contents of a particular file in an archive without extracting the .zip it is contained within? I'm using the Linux command line.
An earlier question asks about viewing the ...
126
votes
4
answers
400k
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Zipping folders and their contents into a .zip file in Linux
How do I make a .zip file that contains every file AND every folder in the directory?
71
votes
5
answers
80k
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Avoid unwanted path in Zip file
I'm making a shell script to package some files. I'm zipping a directory like this:
zip -r /Users/me/development/something/out.zip /Users/me/development/something/folder/
The problem is that the ...
61
votes
9
answers
108k
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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 ...
49
votes
7
answers
179k
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How to make 7-Zip faster
I normally use WinRAR over 7-Zip simply because it's faster and only a little less efficient with compression. I did a few tests on different file types and sizes comparing the 7-Zip and WinRAR ...
47
votes
5
answers
166k
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How do I create separate zip files for each selected file/directory in 7zip?
This is the internal zip packer from Total Commander:
However I want to use my 7zip packer. When I select 5 files, I get 5 separate .zip archives for each selected file. How do I do that in 7zip?
43
votes
15
answers
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How to decompress a ZIP file with specified file/directory name character encoding?
I got ZIP file(s), which contains files, which filenames are in some encoding. Let's say I know encoding of those filenames, but I still dont know how to properly decompress them.
Here is example ...
38
votes
5
answers
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Why is a 7zipped file larger than the raw file? [duplicate]
Possible Duplicate:
Why doesn't ZIP Compression compress anything?
I tried 7zipping an .exe file but it actually became larger.
Is this the expected result?
33
votes
6
answers
83k
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How can I achieve the best, standard ZIP compression?
I don't care how long it takes to compress, all I want to achieve is two things:
The absolute best possible compression ratio
Compatibility with standard readers, such as Windows and WinZip
So ...
28
votes
6
answers
36k
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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/* ...
28
votes
2
answers
33k
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Tool to mount a zip/rar/* archive as a Win drive and be able to read/write as a normal device? [closed]
I'm looking for some tool that, given a zip/rar/tar/* archive file, mounts it as a new Windows drive. Some tools are WinMount or WinArchive, but I need one that allows me to write/create/delete files ...
27
votes
6
answers
8k
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How can I evaluate the best choice of archive format for compressing files?
In general, I've observed the following:
Linux-y files or tools use bzip2 or gzip for distributing archives
Windows-y files or tools use ZIP for distributing archives
Many people use 7-Zip for ...
27
votes
6
answers
64k
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How can I test all zip files in a folder to verify if they are corrupted or not? [closed]
There was a utility a long time ago called CFAtest that was doing this quite nicely, but it has disappeared.
Basically, I am looking for a similar tool (preferably graphical) that will traverse a ...
12
votes
4
answers
34k
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How to unzip zip archives that have more than 260 symbols in their name?
I have a big zip file (approximately 650 MB) that I want to unzip. I already shortened the name of the zip file to just 1 letter and stored it directly on the C: folder. So I can´t shorten the path ...
11
votes
3
answers
9k
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Is it possible to password protect a zip file created by Windows itself (without external tools?)
I normally use a tool like WinZip, 7Zip, or WinRAR to create zip files but I'm on a Windows 7 system that doesn't have these tools installed (and I can't install new apps).
Outside of 3rd party tools ...
8
votes
2
answers
8k
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How to disable the Windows built-in zip functionality
Is there anyway to disable the built-in zip functionality without using other zip programs?
7
votes
1
answer
39k
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How do I do a search in File Explorer that includes subfolders of zip archives?
In File Explorer, I can enter search terms in the upper-right search box to search the current folder and all subfolders. I can also navigate the folder tree of zip archives like any other folders. ...
5
votes
2
answers
10k
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Repack 7z files to zip files in linux
I have a directory with a lot of .7z files, I need to repack each of them as zip archive, how can I do this automatically on linux?
5
votes
3
answers
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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 ...
4
votes
2
answers
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Unzip File: Permission Denied
I am trying to unzip a file (Facebook download-your-info zip file), but here's what I got:
Is there a way I can force-unzip it?
Update: I tried sudo unzip file.zip -d destination_folder in terminal, ...
4
votes
4
answers
14k
views
Why does zipping a zipped file not reduce its size?
Based on the idea that a zipped file is a new binary file, why can't I reduce a Zip's size by zipping it again and again – up to a very small resulting file?
3
votes
4
answers
17k
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How can I recursively extract zip files on Windows including deletion?
How can I recursively extract zip files on Windows? Each zip file should be unzipped in a new subdirectory, and the zip file should be deleted afterwards.
Each existing or created directory should be ...
2
votes
1
answer
11k
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Recursively process zip archives to extract files while discarding specific format of files
UPDATE: I noticed that many people are viewing this thread, which makes me believe that this situation is not so rare after all. Anyway, I had asked a similar/related question on SO here, which has ...
2
votes
1
answer
2k
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How to pass parameters in batch file and zip the file using 7z.exe?
I need to create a batch file as per below requirements
1) pass path1 & path2 while running the batch file
exl: testrun.bat E:\ERP\test1.txt E:\ERP\header.txt
2) Need to store these command ...
2
votes
3
answers
1k
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What kind of window's batch file allows zipping of ftp files?
What commands should I use to transfer a file via FTP and then compress the files in a backup directory with a filename containing the date/time for reference?
I'd prefer to use batch scripting.
The ...
1
vote
3
answers
15k
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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 line ...
1
vote
4
answers
516
views
Build Zip archive, special cases
How can I create a zip in a linux distro and
- keep only the relative path to a folder
- put some files in a separate folder inside the zip
I need to do this in a bash script so if i just use the ...
0
votes
1
answer
683
views
ZIP password recovery [duplicate]
Possible Duplicate:
zip password crack possible?
I have a zip file to be password-recovered. I don't remember the password itself, but I remember what type (a capital or small letter or a digit) ...
247
votes
9
answers
321k
views
Unix zip directory but excluded specific subdirectories (and everything within them)
I'm trying to zip a directory (on Unix via SSH) but I need to exclude a couple of subdirectories (and all files and directories within them).
So far I have this:
zip -r myarchive.zip dir1 -x dir1/...
110
votes
5
answers
298k
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?
89
votes
7
answers
154k
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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?
87
votes
11
answers
10k
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Can zipping a file break it?
I just asked someone to send me a zipped psd file.
They declined, citing that zipping a file can break the fonts.
I assumed zipping a file is perfectly reversible, hence why it is commonly used. I ...
81
votes
7
answers
136k
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Which is more efficient - tar or zip compression? What is the difference between tar and zip?
I'm working in Linux environment and want to know about tar and zip commands.
Which is more efficient - tar or zip? I also need to know the differences between the tar and zip commands. Can anyone ...