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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40 views

Windows and macOS zipping differences?

We need to submit data to a 3rd party and we are planning to automate it. Their instructions are simple. Put the data in a spreadsheet file. Zip it (using Windows). Upload to their server. Seems ...
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39 views

How to open an encrypted docx file as a zip archive?

Unencrypted docx files can be opened as zip archives, and I assumed that the same applies to encrypted docx files since the app (be it Word, Writer or something else) can't know if the file is ...
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1answer
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Is it possible to create a ZIP file with NUL (0 length) password?

I want to know is it possible to create a ZIP file with NUL (0 length) password? If it is possible, how?
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1answer
41 views

I have a .dd file stored inside a zip folder, how do I view its contents?

I have a .dd file stored inside a zip folder, how do I view its contents? I have tried many options, among which is the systools disk image viewer. Most of the tools I've tried once downloaded ask for ...
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1answer
99 views

Keygen/crack/malware detected as virus only after unzipping

I'm wondering how come a keygen/crack are not detected as virus when it is inside a compressed folder. Only after the unzipping the antivirus detects it as a threat.
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I want to unzip a huge file, but I do not have enough space. How do I fix this?

I'm unzipping a file that's 96GB large on my laptop. But both my C and D drives are almost full. I would like to know a method to extract a zip file, while deleting the copies the instant it is ...
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33 views

Corrupted 400GB+ ZIP file , while zip -FF throws at the end Error “run out of memory”

I have a corrupted big zip file of more than 400+ GB while i try to recover with zip -FFv Corrupted.zip --out Fix.zip after a long verbose it will say at the end run out of memory. even though my ram(...
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0answers
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Avira : Realtime protection settings - archive extension

These are two images from avira real-protection settings. 1st question) In this setting, does avira scan zip/rar or not scan zip/rar ? 2nd question) What if I remove .zip and .rar in File extension ...
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1answer
47 views

Can a malware file in a .zip file be executed when testing the .zip file?

OS : Windows 10 Can a malware file in a .zip file be executed when testing the .zip file? I mean, for example, testing by 7-zip context menu 'test archive'. The .zip file has no password and just ...
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1answer
38 views

How do I unzip a zip file on the chromebook?

I can open some zip files via the file app that is preinstalled on the chromebook, but some zip files just won't open up for me. I don;t understand why, since all the zip files I downloaded a few days ...
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81 views

Find out which version of which specific program created a (partial) ZIP archive

Is it possible to determine which specific version of which specific program created a given ZIP archive, based on its metadata? And also, is the outcome of a ZIP / RAR compression affected by the ...
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82 views

How to recover a bitcoin wallet on a Windows drive amid 30 gigabytes of files

I need to recover a bitcoin wallet that I created about 8 years ago. I was a kid, and I thought I would be super clever and zip or rar the wallet, then change the extension to an image file. I ...
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1answer
42 views

Which Folder to File method compresses the most? zip vs tar.gz vs tar.bz2 vs tar

I'm trying to download a large Gitlab repo in a script, and Gitlab offers each of the zip, tar.gz, tar.bz2 and tar options, and I want to pick the one that will have the smallest file size. Will one ...
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1answer
85 views

Is extracting files from a zip archive faster than copying files from the same archive?

Say we have a .zip archive with some number of files inside. Previously, I've opened the archive (and the folder of the same name inside, why do they always do that?) and dragged the files to another ...
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2answers
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7zip password protected zip - SHOW the password that i type

wondered if, when i unzip a pasword protected file and it says "enter the password, it will not be echoed" if i could see either what i type or paste (echoed!) OR a ***** to show that what i'...
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Use tar -czvf command to create zip file, but when I open zip archive there is file without extension

I Use tar -czvf command to create zip file, but when I open zip archive there is file without extension. The problem is when I copy this zip file to USB flash drive it gives me this error - Please ...
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1answer
170 views

Self-extracting exe file fails to extract on Windows 10, but works after moving it via a Mac

I downloaded self-extracting W.exe to a Windows 10 20H2 machine, but when I run W.exe to extract the archive, I get error: failed to extract archive (same result with security settings on/off). I ...
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1answer
53 views

Unzip and 7z with password, without temporary files

Every now and then, I receive a download link for a 6 GB .zip data archive that I'd like to: download unzip recompress with 7z, with a password I'd like to avoid using temporary files for each ...
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1answer
33 views

WinRar is acting weirdly

I tried to unarchive a 40 gig zip archive in my d drive which at the time had 120 gigs free but i was greated by a message that i don't have enough disk space i was really confused and i decided to ...
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How do I choose a directory name during zip on Linux?

Tar works fine: tar -zcvf cli-layer.tar.gz cli_layer --transform s/cli_layer/python/ ls -al drwxr-xr-x 3 alexb alexb 4096 Dec 16 16:38 . drwxr-xr-x 4 alexb alexb 4096 Dec 16 16:40 .. drwxr-xr-x 6 ...
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“zip error: Out of memory” when trying to fix offsets with “zip -FF”

So I have a zip archive named sync.zip which is very large (19G); furthermore, it consists of a lot of small files in a deep directory hierarchy. I need to extract it to recover the files. However, ...
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How can I unzip files in a child directory?

Say I have the following directories and files /folder1/subdir/zip1.zip /folder1/zip2.zip /folder2/zip1.zip /folder2/subdir/zip2.zip If I am in /, how can I extract all .zip files quickly? Edit: The ...
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How to create a Windows context menuitem for all file extensions EXCEPT two?

I want to create a Windows context menuitem that gets displayed for all files that do not have the file extension .zip or .7z. I'm quite comfortable manually editing the Windows registry, if needed. ...
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How to download a zip file using the command line

I would like to download a heavy compressed zip file from either dropbox or the UCF-Crime video dataset. The dataset's website points out these two links to get the dataset from : https://www.dropbox....
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Zip Folder without file included

How would I zip the contents of a folder without including some file So I know that zip -r ARCHIVE_NAME.zip ./FOLDER_NAME -x "**/node_modules/*" "*.git*" would zip the folder ...
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32 views

How to compress one folder into multiple .zip, all independently extractible?

I work with some big image datasets containing millions of images, and I often need to compress the results of each step of processing to be uploaded as backup. I have seen that some datasets can be ...
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How to change password of multiple ZIP archive files at once?

I have 50 password protected ZIP compressed archive files. By design, all the files have the same password. I now want to change the password for all those ZIP files to a different password (again, ...
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45 views

Zip command is killed for very large file by MacOS

I'm trying to zip a large number of very small files using zip. The resulting archive is going to be ~80GB. When I execute zip -r -0 archive.zip dir the process is killed probably due to resource ...
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1answer
45 views

Search for files in many zip files

I have many hundred zip files and want to find particular files in them. It is fairly easy the grep for filenames: find . -name "*.zip" -exec unzip -Z -1 {} \; | grep png which would give ...
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7-zip command-line to recursively extract archives in sub-directories, and output them into those sub-directories

I've got hundreds sub-directories, with each sub-directory having 1 or more archives in them. I want to recursively extract every archive in every sub-directory, with the extracted files ouputted in ...
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Extract zip files and recompress them into 7zip files [duplicate]

I'd like my zip files to be extracted, then recompressed into 7zip files. Example: Before: $ ls 001.zip 002.zip 003.zip --snip-- 997.zip 998.zip 999.zip After: $ ls 001.7z 002.7z 003.7z --snip-- 997....
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1answer
85 views

How to unzip a file with a hyphen at the beginning of the file name

I have a Zip file with a hyphen at the start of its name, let's say '- stuff.zip' If I need to move or copy the file, this means that I need to use a double-hyphen so that the filename isn't ...
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2answers
3k views

If I delete a something from a zip file, can it still be recovered?

If I edited or deleted something from a zip file, can it still be recovered? For example, I have this zipped folder, before sending it to someone, I unzipped the folder then edited and deleted some ...
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733 views

Is Windows 10 shipped with tools that can un(zip) with the format ZIP64?

Wikipedia states that The File Explorer in Windows XP does not support ZIP64, but the Explorer in Windows Vista and later do.[citation needed], but I have not been able to find a confirming source. Is ...
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16 views

Zip folder but exclude directories and files

Im trying to zip a directory but I want to exclude a couple directories and all files in some certain directories. My structure is like: -httpdocs -httpdocs/folder1 -httpdocs/folder2 -httpdocs/folder3 ...
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1answer
39 views

What could possibly explain that Windows 10 silently added ZIP files to ZIP files before, but not now?

The other day, I felt a cold sensation down my back after realizing that some ZIP archives that I had in a directory contained other ZIP archives, which I remember having tried to move to that same ...
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180 views

How to test integrity of “splitted” zip archive? Fails with error (possible zip bomb)

Testing zip archives with zip -T or --test works fine as long as target zip is not splitted. I'm using following command: zip --quiet --test -s 50m -R /home/admin/myuser/tmp/ziparc *.csv As soon as ...
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1answer
178 views

Loop extract zip files and handle nested zips

I have a command that will extract all zip files within a directory. The issue is you may have nested zip containers (zip inside a zip). What I would like it to do is go through one run, and then do a ...
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1answer
70 views

Extract all zip files in folder and create folder with zip name and have folder include extension

The following code works great at extracting any zip-type files in current directory and subdirectories below. It will create a directory with the name of the zip file and extract the contents into ...
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Previewing .msg files within a .zip file

In Windows 10 with Acrobat 11 and Outlook 2013 installed, I am able to preview .pdf files and .msg files in the preview pane of Explorer. However, when I open a .zip file in Explorer (using Win10's ...
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288 views

zip2john not working in latest windows Openwall distribution

I just downloaded 1.9.0-jumbo-1 64-bit Windows binaries from openwall.com. I added everything to the PATH and everything was running smoothly, until I tried to run zip2john.exe from the CMD: the ...
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1answer
111 views

How do I create seperate 7z files for each selected file/directory in 7zip?

Long time lurker, first time poster. I've looked around this site, I've googled, I've experimented. And, while I'm very, very close to where I want to go, there's one last hurdle I can't seem to get ...
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2answers
109 views

less command does not open zip files on debian

Here I am using debian/testing distribution on my machine but there is something interesting. # less file.zip "./file.zip" may be a binary file. See it anyway? Do I need to install some ...
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1answer
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What does 'Unk:' mean in 'Stored' column of `unzip -v` output?

Running unzip -v archive1.zip, where archive1.zip is an encrypted archive, I get the following output: Archive: archive1.zip Length Method Size Cmpr Date Time CRC-32 Name -------- --...
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28 views

How to only exclude the folders in the root

I want to exclude a folder and its content when i'm doing a rar command, the problem is, i only need to exclude the folder in the root, and i do not want to exclude any folder with the same name in ...
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What are the correct tags to use in a .bat file for 7-zip to achieve the same settings as the GUI?

Source for current problem solving: Sevenip.osdn.jp but I cant get anything except -t7z -mx9 -m0=LZMA2 -mmt=1 -md=1024m -v10m to work. I've been adapting Enteleform's code from this answer to a ...
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52 views

files disappeared from a zip folder when I canceled unzipping

So I was about to unzip a folder with lots of jpegs and one mov file with File Explorer. I started doing it and then canceled the process. After that, only the .mov file was left in the folder. Does ...
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2answers
184 views

Exclude directories and files in zip in bash script

I'm writing bash script that should archive some directory with python code. I'd like to avoid archiving .pyc files, __pycache__ directories, IPython notebooks and their checkpoints. However, ...
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62 views

Archive a big folder with large number of smaller and big files

I need to archive a folder from normal drive into tape in organization data storage and might retrieve them in the later stage. My scenario is a large folder with size from 10 GB to 300 GB The folder ...
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1answer
63 views

bash zip by file permissions

I have a "zipup.sh" routine that backs up to one zip file. It includs file paths of all my programs in several different Linux folders within my home directories with an -mtime -1. At times, ...

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