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

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9
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3answers
5k views

How to prevent 7-Zip encrypted zip file passwords from being stored on the hard-drive?

I've encrypted a folder with 7-Zip 9.20, specifying 256-bit AES and a password, and the .zip file was created. But then, when I clicked on the zipped file, to my surprise, PeaZip 5.1.1, which was the ...
0
votes
2answers
30 views

Should I archive old folders

I have many folders on my hard drives that contain many media files and logs for old websites I have created for clients that I rarely ever access now. I want to know aside from compressing them what ...
0
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1answer
5k views

John the Ripper: Crack ZipCrypto password

I made a password protected zip file with 7zip, using ZipCrypto algorithm. Set the password to 1234. I am using john-1.7.9-jumbo-7. I followed this manual: ...
-1
votes
1answer
51 views

Creation date of zip file

Is there any way how can I get creation date of zip file which is stored on server? Or even better when the file was uploaded on server? I do not have access to the server disk, I can only download ...
2
votes
1answer
2k views

How to zip files in mac without root folder

I used this command >zip -r name.zip myfolder to zip files in a folder. I want to zip all the files in myfolder without including myfolder in zip file. How do I do that?
1
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1answer
166 views

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 ...
1
vote
1answer
62 views

How to delete unwanted directory paths in zipped file?

Using bash on OS X 10.10 I'm zipping a folder and saving it elsewhere using this: _now=$(date +"%Y-%m-%d-%H-%M-%S") pushd /Users/me/Documents/local-backups/writing zip -r ...
0
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1answer
27 views

Report All Files Hierarchically on a Zip-of-Zip Files from the Command-Line Interface

I have a WinZip parent file that contains hundreds of WinZip child files on a Windows 7 64-bit computer. Each child WinZip file has many "grandchild" files within it. I need to create a text file ...
2
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2answers
1k views

zip command on linux how to force to zip only files and not whole directories structure?

I want just stupid, simple thing. ZIP all the content of given directory. What I get as result of: zip -r /home/andi/MEDIA_DUMPS/xyz_media.zip /home/andi/xyz/mega_backend/mega_www/media Is ...
0
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1answer
171 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 ...
1
vote
1answer
105 views

Cannot open large concatenated zip file with unzip, though it opened fine with Archive Utility, get a central directory error

I have downloaded a 7Gb zip file full of pdfs and movies in four (4) parts from an ftp server. I concatenate these four files into a single zip file on my machine and it unzip just fine with my Mac's ...
3
votes
1answer
3k views

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 ...
0
votes
1answer
378 views

archiving files without timestamp

I need to archive some files deterministically, so that I get the same archive file if the content of the files is the same. I need this for testing for equality of the archive files later. however, ...
1
vote
1answer
154 views

From the command line, how do I zip specific files and directories into one compressed folder?

I'm working in a directory that looks like this: folder >.git >css >img >js Archive.zip bla.html bla.yml During work on this project I very regularly have to zip up the ...
1
vote
1answer
335 views

Delete a file inside multiple ZIP archives on the OS X command line

I'm trying to delete files with specific extensions from multiple zip archives. For example I want to delete all .html files contained in the zip archives in the current path so I have tried this: ...
1
vote
0answers
101 views

Zip settings. How to concatenate results from multiple zip files?

So I was one of those fools that didn't realize that Windows 8.1 has removed the windows 7 recovery option for restoring old backups. Now I have a backup set (A folder containing ~1500 zip files) ...
1
vote
3answers
10k views

Can you get virus by clicking .zip file? [duplicate]

I tried to uncompress a zip file but I get error “The compressed (zip) folder is invalid or corrupted”. Is it possible to get virus just by trying to uncompress the zip? Can zip extension be ...
0
votes
0answers
170 views

Linux create zip file with custom directories in it

I'm new here. My task is to create a zip file from php code. I need to password protect it and the server runs php 5.5 and password protection is not supported there so I need to execute a command ...
2
votes
0answers
30 views

Splitting a zip archive

I have a zip archive containing a big directory tree with many files. I'm using an application that does something with zip archives. The problem is that the application has a limitation on how many ...
0
votes
1answer
50 views

Can i save modification in compressed file folder? [duplicate]

When modifying documents that are directly opened from compressed file folders like RAR or Zip, I normally close them without dragging the files out of the rar or zip file. I used to do this in the ...
0
votes
0answers
151 views

Modify ZIP Folder Context Menu To Include “Unblock” Option, Or Other Solutions

Is there a way to modify the Explorer zip folder context menu so that when you right click on an empty space while browsing a .zip file in Explorer it will show an "Unblock" option? I already added ...
1
vote
1answer
552 views

zip file (with spaces in the files name) to unzip and rename files and zip back

I'm trying to rename the contents of a zip file to match the name of the zip file with a batch file. This is exactly what I'm trying to do : ...
0
votes
0answers
60 views

(oldie not working on Win 8.0 x64?) Command prompt (.vbs) only solution to zip files and folders (batch .bat .cmd)

I worked with Can you zip a file from the command prompt using ONLY Windows' built-in capability to zip files? zip.vbs: Set objArgs = WScript.Arguments ZipFile = objArgs(0) ' Create empty ZIP ...
1
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2answers
316 views

OSX's command line zip creates root directory

I'm trying to compress files, directly into a zip. What happens is that the zip automatically creates an initial directory in the zip with the name of the zip. Example: zip -r0 myfile mydir/ Will ...
1
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2answers
145 views

7-zip extras for Linux

I want to pack a folder containing various resources and executables into a single self-extracting file and execute a command after that, "setup.exe" for example. I've successfully accomplished that ...
0
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0answers
133 views

Why is the output of this zip file automatically encrypted?

I just downloaded a zip file and extracted it using Windows 7's built-in zip extraction (right-click on zip file --> "Extract All..."). Somehow it resulted in folders that are automatically encrypted ...
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votes
1answer
459 views

How to rename 7-Zip split files as name_00N.zip instead of name.zip.00N

On Windows, when I create .zip split files with volumes less than 20MB with a command like: 7z a name.zip files\* -v20M I get one or more files named name.zip.001, name.zip.002, etc. I need to ...
0
votes
2answers
6k views

zip: Unexpected end of archive

When I try to extract my 1.15GB downloaded .zip file am getting following error: ! D:\N750XXUCNG6_N750ODDCNG5_INU.zip: Unexpected end of archive I have tried this ...
0
votes
0answers
20 views

Compressing an OS after some slight changes has yielded massively different results - why?

I am using SUSE Linux on a Virtual Machine through VMWare Workstation. This morning, I zipped up a copy of the folder containing my VM (.vmx, .vmdk, .vmem, single snapshot and all) and sent it to my ...
0
votes
2answers
316 views

Linux zip and exclude directory in Bash script

I am trying to write a bash/shell script to zip up a specific folder and ignore certain sub-dirs in that folder. This is the folder I am trying to zip "sync_test5": My bash script generates an ...
1
vote
2answers
1k views

Decompress lrzip on Windows

I've happened upon lrzip as a compression tool, which compared to gzip, the compression was insane. lrzip compressed a 300MB text file to 7MB where as gzip only managed to get it to 100MB. I've ...
0
votes
1answer
461 views

Zip files that are downloaded get corrupted many times randomly

I regularly download my torrent directly, instead of using a client, via filestream. Lately I've noticed that my downloads get corrupted many a times, especially zip files. Yesterday I downloaded a 8 ...
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0answers
229 views

Have a self extract archive extract to specific folder

How can I create a self extracting archive that will extract the contents into a specific folder? Any program or method is acceptable on windows.
0
votes
1answer
136 views

intercept zip file download request to view contents?

user 'A' downloads a zip file from a web server via HTTP/HTTPS, and after downloading he immediately deletes that zip file from server. In this scenario,can user 'B' (not having direct access to ...
0
votes
3answers
90 views

Zip Icon changed to a blue 'A' associated with fontview.exe

I made the mistake of associating fontview.exe in the right click "Open With" window, trying to install a font from a zip folder in Windows 7. Now all my zip folders now have a blue "A" on them and ...
2
votes
1answer
246 views

Compress / Zip a folder periodically but use minimal CPU?

Similar to this question except, I need it to run with minimal CPU on the background? Also, if there's a 7zip solution that will be nice.
0
votes
1answer
181 views

Batch Script to ZIP Together Files With Same Names

I have 314 vector images I'm looking to submit to the various stock image sites I'm a contributor to, but a number of these require that the vectors be bundled into a ZIP folder with a JPEG preview ...
3
votes
0answers
48 views

Compressed file with a header containing all files within it, at the beginning of the file

I have noticed that most files resulting from a compression / archive process do not have a list of the files contained at the beginning of the resulting file, but rather at the end of it. For ...
1
vote
1answer
67 views

How to unzip selected files of a zip file in Mac

I have some very large zip files contains thousands of files. I only need to unzip one or two files within it. In Windows, this can be easily done with most common programs like WinRAR or WinZIP. But ...
3
votes
1answer
145 views

Is there any solution/utilities to compress and upload a large file simultenously?

Upload a large file via broadband connection takes time. Compress the file using max. compression ratio before upload also consume time. Is there any solution that may compress and upload file to ...
2
votes
1answer
95 views

ZIP will not extract all files on Debian

My machine runs Debian 6.0.7 and I have Zip 3.0 (July 5th 2008), by Info-ZIP. When I try to unzip a .zip file, 2~3 times out of 10 it would not extract everything. There would be 2-3 files missing. ...
0
votes
2answers
1k views

How can I achieve the maximum zip compression? [closed]

I would like to make a "standard" zip file which contain .jpg images. Which software and switches / options should I use to achieve the maximum compression ratio? I mean maybe I can make a solid ...
0
votes
1answer
663 views

Using a .bat file to pull a string from a text file within a zip folder

So, please bear with me. This is only the second batch file I've ever written and my first post anywhere on StackExchange. I'm writing a batch file that tells a remote server to run HP Array ...
0
votes
1answer
2k views

Recursively process zip archives to extract files while discarding specific format of files

On my Windows 7 machine, I have a directory full of downloaded dumps in ZIP archives. Each archive contains few text files, PDFs and rarely XML files. I want to extract all the contents of each ZIP ...
-1
votes
2answers
47 views

Calculations for groups of data

I have 3 columns of data in an excel sheet. The first column represents zip codes, the second represents values in that zip code and the third column represents the frequency of that value in the zip ...
6
votes
3answers
404 views

When putting two identical files in a .zip, they take 2x space, can this be avoided

Say that you have a file you want to put in a .zip archive: zip a1.zip foo.dll My test .dll file is ~10MB, and the archive turns out to be 3.5MB Then you create a file with the exact same ...
0
votes
0answers
26 views

Why would my zipped file be the same size as the uncompressed files? [duplicate]

I am trying to zip 13 mp4s. The uncompressed versions of those files are 2.69GB. But when I zip them with 7zip, using Ultra compression level and any of the compression methods - including LZMA, the ...
0
votes
1answer
66 views

Should I extract before running?

Is it not wise to run an executable from a zipped file without extracting first? Someone explained to me that there is no need to extract first. He explained that zipped files are nothing more than ...
0
votes
2answers
153 views

How to use Linux zip to sync files

I want to "sync" my files to the zip, creating any new ones, updating any new ones, and the deleting ones from the zip that no longer exist. When I used -du, I see zip error: Invalid command ...
0
votes
0answers
75 views

Fast way to forward an Outlook email as a zip

I need to find a quick way to select an email in Outlook 2010 and forward the email as a zip attachment. The recipient will always be the same. The subject and body of the email will always be the ...