Questions tagged [zip]
Compression and archive format that stores one or more files into a single file, usually with a .zip file extension.
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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?
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answers
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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 ...
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258
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8
answers
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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 ...
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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/...
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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 ...
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192
votes
5
answers
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Compress files from OS X terminal?
In the Finder, there is this wonderful ability to right click on a file or directory, select compress from the drop-down, and end up with a zipped file.
Is it possible to do the same thing from the ...
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votes
13
answers
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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 ...
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votes
9
answers
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Why is Zip able to compress single file smaller than multiple files with the same content?
Suppose that I have 10,000 XML files. Now suppose that I want to send them to a friend. Before sending them, I would like to compress them.
Method 1: Don't compress them
Results:
Resulting Size: ...
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votes
4
answers
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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?
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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 ...
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118
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How to list the contents of a zip along w/ file sizes and compression ratio via cmd line
How do I list the contents of a zip along w/ file sizes and compression ratio (or packed size) on osx w/ command line tools?
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Remove single file from zip archive on Linux
I have a zip archive (created automatically in a script with -j -r flags) and I would like to remove a single file from it. I tried as documented.
zip -d "picture_43_9.jpg" gallery.zip
but I get ...
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113
votes
9
answers
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On Linux/Unix, does .tar.gz versus .zip matter?
Cross-platform programs are sometimes distributed as .tar.gz for the Unix version and .zip for the Windows version. This makes sense when the contents of each must be different.
If, however, the ...
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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?
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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 ...
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Equivalent to tar's "--strip-components=1" in unzip?
I have a script that extracts a tar.gz-file to a specified subdirectory mysubfolder:
mkdir mysubfolder; tar --extract --file=sourcefile.tar.gz --strip-components=1 --directory=mysubfolder;
Is there ...
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7
answers
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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?
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votes
11
answers
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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 ...
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votes
7
answers
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views
How to unzip a file using the cmd?
I want to make a BAT file that will ZIP or UNZIP a file. For zipping a file, I have found this question:
Can you zip a file from the command prompt using ONLY Windows' built-in capability to zip ...
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votes
7
answers
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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 ...
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77
votes
10
answers
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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. ...
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72
votes
6
answers
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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 ...
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71
votes
7
answers
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Trying to unzip a file, 'Filename not matched' when the directory exists
While trying to unzip a file named Joomla_3.0.3-Stable-Full_Package.zip to the directory named joomla I get filename not matched. Why is that?
# unzip -Z Joomla_3.0.3-Stable-Full_Package.zip /opt/...
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votes
3
answers
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Windows File is ludicrously huge and I cannot unzip it
I use an online file backup service (Backblaze) and recently got a new computer. Several files on my old computer were too large to move via my usb drive so I decided to download them from my backup ...
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votes
8
answers
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Is there a way to edit files inside of a zip file without explicitly extracting them first?
I sometimes need to make changes to a .zip or .jar file, so I usually move the file to /tmp, extract all the files with unzip, edit a few files, and then re-zip up the files. This works, but it can ...
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answers
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How to unzip split files on OS X
How do I unzip a split zip file?
In Terminal, I wrote: unzip filename.zip and it did not unzip this file.
Terminal wrote:
$ unzip filename.zip
Archive: filename.zip
warning [filename.zip]: ...
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votes
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answers
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What UnRar utilities are available for Mac OS X?
I have been using UnRarX ( http://www.unrarx.com/ ) and it's free and works well, but often times I will download a rar file in the browser and click on it in the recent downloads lists which will ...
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How to overwrite existing zip file instead of updating it in Info-Zip?
To obtain a fresh zip file just like as tar does, do I have to perform rm foo.zip before executing zip?
$ mkdir foo; touch foo/bar
$ zip -r foo.zip foo
adding: foo/ (stored 0%)
adding: foo/bar (...
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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 ...
user3213
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votes
8
answers
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Zip files without compression
I'd like to bundle a number of big files into a single file, to make them easier to share. The files are already compressed (eg. jpeg, video etc), so I don't need compression, only archiving. How can ...
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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 ...
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answer
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How to extract 7z zip and have correct directory strucuture?
XXXhostXXX:temp XXXuserXXX$ ls -a dir1/
. .. a.txt b.txt
XXXhostXXX:temp XXXuserXXX$ pwd
/Users/XXXuserXXX/temp
XXXhostXXX:temp XXXuserXXX$ 7z a -t7z dir1 dir1
7-Zip [64] 9.20 Copyright (c) ...
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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 ...
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How secure are password-protected zip files?
In modern zip utilities like 7zip, you can specify a password when creating a .ZIP file. But, how secure is this? What encryption algorithm(s) are used to secure password-protected zip files?
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How to "unextract" a zip file?
I extracted a zip file into a non-empty folder. The zip file has lots of files and a deep hierarchy, that merged with the existing tree of the target directory. How can I remove the files and ...
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votes
4
answers
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add password to existing zip file with 7zip
Is it possible to add a password to an existing zipfile with 7zip without going to all the trouble of unpacking it and re-packing it again?
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votes
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answers
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7-Zip doesn't ask me for a password for a ZIP file I encrypted while double-clicking it
I just tried to encrypt a folder with 7-Zip by a command line, choosing a password, but when double-clicking on the ZIP file, it shows me the files list without asking any password.
Is there a way to ...
asksuperuser
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votes
7
answers
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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 ...
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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?
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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 ...
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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? ...
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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 ...
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How to zip a list of files in Linux
I have many files I need to zip into a single directory. I don't want to zip all the files in the directory, but only ones matching a certain query.
I did
grep abc file-* > out.txt
to make a ...
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12
answers
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Mac OS: Unable to expand zip file
Mac OS. I am unable to expand zip file. I have tried this:
Unzip in Terminal:
Open Terminal.
Type unzip and a space, then drag/drop the zip file into the Terminal window.
Press Enter and the zip ...
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Why is unzipped directory much smaller (4.0 K) than zipped (73.0 G)?
I unzipped a zipped file using zip -l <filename> but what get is a dir much smaller than what it was before unzipping. Unzipped dir has all the files mostly videos. Why is the unzipped ...
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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?
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5
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Can Double Zipping Cause Problems?
I have a directory that I have been storing a ton of files in. Among the 10ish types of files there are also .zips of other directories.
In my personal experience I vaguely remember issues when ...
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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 ...
31
votes
9
answers
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How to uncompress a 9GB file in Windows FAT32
I have a 2GB RAR file that contains a 9GB video file. I'm using a FAT32 file system. Now I want to unzip that file but after 4GB I get an error due to the FAT32 file size limit.
Now I want to know ...
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2
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Compressing many similar large images?
I'm dealing with a large archive of satellite images of the Earth, each one taken 15 minutes apart over the same area, therefore they are quite similar to each other. Two contiguous ones look like ...
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