Questions tagged [zip]
Compression and archive format that stores one or more files into a single file, usually with a .zip file extension.
1,168
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How did this ZIP file print to my command line when I extracted it?
I downloaded a font from www.fontspace.com today. It came in a basic .zip file and so I moved it into its own new folder to extract it (I'm tired of extracting things just to find that they were ...
CommunityBot
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1
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Why are MS Office files actually ZIP files with another extension? [closed]
I has been trying to reverse-engineer the Microsoft Office file formats and I've found they are actually Open XML and the "Open XML" file format is actually a ZIP format.
When I open the Office files ...
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1
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Upload big file to OneDrive cloud storage
I want to back up a lot of my files (photos, videos ...) to cloud storage.
My idea was to create a (700 GB big) ZIP file and upload it to OneDrive, where I have 1 TB of space. But, OneDrive has ...
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4
answers
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Linux unzip: don't prompt user
I need to unzip a file in my nodejs script:
var exec = require('child_process').exec;
var execOptions = { timeout: 15000 };
exec('bash unzip.sh', execOptions, function (error) {
...
});
In ...
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3
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3
answers
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How can I zip or rar files listed in a text file from the Windows command line?
I'm using a batch script to output filenames with specific attributes to a .txt file, in this case older than 30 days. I'd like to then zip or rar those files that are listed in the .txt file.
How ...
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38
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1
answer
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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 ...
CommunityBot
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0
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1
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Zip Files by Date
I have a folder full of log files on a Windows machine (Windows server 2008 R2, or I could copy them to Win10), and I want to zip them by date. I'd love to do this with native means (eg: CMD/BAT, ...
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Invalid file name inside zip file
I have a ZIP file, and inside that zip file, there's multiple files with invalid file names (for my Debian OS): for example fileABC£ [abc123].txt
When I attempt to extract it unzip data.zip:
error: ...
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2
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2
answers
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Is SecureZip compatible with any other ZIP programs?
I put some files into an encrypted archive with Secure Zip (was using a computer at another organization) and emailed them to some people. None of them have Secure Zip (nor do I on any of my own ...
CommunityBot
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2
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Determine password used for ZIP file
I have a password-protected ZIP file that contains a single file. Also I have the same file outside the archive in a plain version. I know for sure that this is the same file. Is it possible to ...
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Recovering password from zip file
I have a few zip files from a long time ago but they are encrypted and I don't know the passwords. I have the unencrypted, uncompressed file that is in one of them. With this pair, I am trying to ...
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1
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Do 7z archives compress each file individually or compress everything together as one?
I read somewhere (I can't remember where) that compressing files into a .tar.xz resulted in better overall compression ratios than .7z archives because archive+compression formats like zip, rar, and ...
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0
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WinScp - PHP zip remote code doesn't work
I wrote a simple script to zip whole folder on ftp. I connect to this through ftp protocol, and I found it difficult to zip and unzip anything this way, so decided to use php as shell turned out to be ...
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0
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Editing a file inside an archive
Are there other programs that allow you to edit a file inside an archived file?
For example, 7-zip allows you to edit the file inside the archive. But it changes the compression of the other files (i....
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1
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Why doesn't Windows have a command-line zip command? [closed]
Windows has a built-in "zip" program for archiving and un-archiving files. It comes with every installation of Windows, and is even integrated with the Windows Explorer GUI.
Why is there no command-...
- 42.8k
22
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2
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Analyzing properties of a ZIP file
I have a ZIP file, and I want to determine how it was compressed (the specific algorithm, properties used to apply that algorithm, etc.). How can I do this?
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Search zipped files and list content
I have a folder with many archive files.
How can I search all the files and list their content (possible extract to excel or to any other document) of the zipped files without extracting them?
- 1,618
4
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1
answer
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Compress folder using pigz without tar
pigz, which stands for parallel implementation of gzip, is a fully functional replacement for gzip that exploits multiple processors and multiple cores to the hilt when compressing data.
But this ...
0
votes
1
answer
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zip compression in epub via pandoc better than plain zip?
I have a plain text file (scan of a book written about 100 years ago in english).
When I save it in my text editor it has size 618kb
Whan I zip this file it has size 211kb
but when I covert it to ...
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1
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2
answers
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Virus scanning a compressed file before vs after extracting
If I download a compressed file (i.e. a zip file, etc), does it make a difference if I:
a) virus scan it as is
vs.
b) virus scan after extracting it?
What are the differences/considerations if I ...
3
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3
answers
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Why can tgz be opened on Linux box but not on Windows?
I've received a Tar/GZipped file that was created on an embedded Linux device.
The file can be extracted perfectly fine on a Linux desktop if I run something like tar zxf myFile.tgz. The file ...
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votes
7
answers
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How do I use a .DIZ file?
I downloaded a torrent that contains a bunch of .zip files and a .diz file. I'm guessing it all should get pieced back into 1 bigger zip file. Any suggestions on how to use it?
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How to read large zip files in pyspark [closed]
I do have n number of .zip files on s3, which I want to process and extract some data out of them. zip files contains a single json file. In spar we can read .gz files, but I didn't find any way to ...
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1
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How can I restore a weird Windows backup?
I need to restore some files that I saved about 5 years ago. Back then I created a backup with Windows, but I don't remember how or which Windows Version it was. All I have now are the files from the ...
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0
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How to permanently store parameter qs in 7-Zip for all users
I have a scenario where I use 7-Zip to store multiple files by a script to a 7z archive. I used a very old version that produced good compression results, but since the newer file sorting was enabled, ...
- 1,397
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0
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zip not supporting -S option?
I run zip -r9 -S --symlinks ../output.zip . and get the error zip error: Invalid command arguments (short option 'S' not supported). zip --version tells me
Copyright (c) 1990-2008 Info-ZIP - Type '...
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2
answers
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Zip file with absolute paths via command line
Is there a way to zip a file to include absolute paths in Linux via the command line?
I have a Python program that checks zips and tars for absolute paths, and would like to create a zip file to ...
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3
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powershell create zip from log files
How can I move log files to zip archives with System.IO.Compression.FileSystem in PowerShell?
I have more folders with log files per application:
app1logfolder
|-app1_20130507.log
|-app1_20130508....
CommunityBot
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2
answers
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How to know if a zip file has a root folder?
I regularly got suckered by zip file (libraries, programs, ...).
Sometime, I am cautious and I do:
$ mkdir content && cd content
$ unzip ../library.zip
Archive: library.zip
creating: ...
- 1,089
4
votes
4
answers
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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?
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0
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Unable to get data from unzipped file
I have a file on MacOS that I extracted from a ZIP archive that appears to have 113020 bytes or zero bytes depending on who's asking. So far I can't open it.The Finder's GetInfo function reports that ...
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19
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2
answers
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Zip files expand with backslashes on Linux, no subdirectories
So, weirdly, I can unzip a file a friend made on windows. What it gives out is strange, and incorrect in a way I've not seen before.
<base directory stuff>
assets\Changes.txt
assets\...
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2
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Is there any way to view compressed files? [closed]
I don't mean decompressed, I mean like open the compressed WinRAR or zip file as is (compressed)
I want to view the gibberish zipped/Winrared file. without decompression.
OS: Windows 10 Pro
Thanks
...
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3
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Zipping Epub: Mimetype file should contain only the string "application/epub+zip"
I followed the tutorial Build a digital book with EPUB
to create an ePUB file.
The mimetype file contains only application/epub+zip
and should not be compressed.
However, the zip commands that were ...
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6
votes
2
answers
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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 ...
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0
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3
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Rezip file without creating temporaries
Maybe it's best I just start off with the use case.
I have a large zip file full of many files and I suspect it was originally zipped at a low compression level.
I want to create a new zip file from ...
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8
votes
1
answer
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While trying to see the content of a zipped file, I only get information about the zipping process
In Ubuntu, installed on Windows Subsystem for Linux, I want to see the content of a zip file, using gzip --list.
I expected to see a list of included files like this:
FileName ratio
File1 ...
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0
votes
1
answer
433
views
Password protect multiple individual ZIP files on Mac
Currently, I have an Automator script (Shell Script) which allows me to select multiple files and then create an individual zip file for each.
for f in "$@"
do
zip -j "$f.zip" "$f"
done
What I'...
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2
votes
1
answer
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What text encoding is used in "Zip archive data, at least v?[0x314] to extract"?
I tried multiple search terms on the usual suspect search engines as well as on stack overflow and superuser, but can't find anything on this. Normally a Zip archive magic pattern is "at least v1.0" ...
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0
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How to unzip files that have been zipped multiple times?
I've been writing a bunch of files to a folder, however this quickly made me almost run out of space, so I decided to zip all the files. However, I messed up and did this multiple times, so some files ...
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0
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Can I compress a directory with a running executable?
I've given this a cursory google but most results reference creating executable zip files.
My question is basically:
I have a running .exe which:
Is, in this case, an installer
Other items in the ...
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2
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0
answers
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Wrong password while extracting zip file [closed]
I had used C# code to create Password protected zip files,
But while extracting all the files inside zip gets except one large txt file, and for that particular file all different tools (default ...
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3
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The compression cannot be performed because the path to the file or directory 'Application Data' is too long
In Windows 7, whenever I tried to compress the USER directory into a .zip file I experienced this error and cannot continue:
The compression cannot be performed because the path to the file or
...
CommunityBot
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0
answers
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Packing thousands of files into an archvie using 7-zip "Store" compression. Does this significantly speed up a file transfer?
I have a folder with 40,000 jpg images, and I'm assuming that if I pack them into a 7zip file using the "Store" compression level it would make file transfers a lot faster since the the 40k files ...
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1
answer
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7z - .bat file which creates a .zip containing all files with an specific string in its filename
I have a folder containing an entire volume of a comic book, 9 chapters in total, with both .png and .jpg files.
Each filename is [Series Name] c*** v**.png
I want to make a batch file which ...
- 65.2k
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3
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Which archival formats efficiently extracts a single file from an archive?
Extracting a single file from a zip file is a fast operation, so I assumed this would be true for TAR as well, but I learned that even though a TAR file is without compression, it can take a looong ...
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2
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How do I create a bootable USB drive?
I have had a Matebook X Pro for about three weeks and I am running Ubuntu 18.10 on it. Recently I have restarted the computer following some installation guide and a problem occurred. The computer ...
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1
answer
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Changing the File Explorer default unzip location
If you download a zipped file to the "username\Downloads" folder, and then open it with File Explorer and extract all, the default location is "username\Downloads". This is fine and makes sense.
...
CommunityBot
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ISO-Image Format is used instead of others? [closed]
I have seen almost all operating systems and large sized files are in ISO format. why they choosen that format instead using any other formats like zip, rar, etc.
- 454k
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votes
4
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How to recompress many zips on a drive?
I have a hard drive that contains many ZIP files of backups of various things. They were compressed at different points in time in different and inconsistent ways, and a lot of them use minimal ...
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