Tagged Questions

4
votes
1answer
86 views

how to “preserve internal directory structure” when unzipping on windows?

I'm tring to build boost, in instructions I've read When you extract the library from its zip file, you must preserve its internal directory structure (for example by using the -d option when ...
0
votes
0answers
100 views

“extra bytes at beginning or within zipfile,” won't open file

I have an 8.3 gig zip containing tons of telescope observation data, but I can't extract no matter what I try. I've tried Archive Manager, unzip, and tried this guy's fix: ...
2
votes
1answer
172 views

Remove known password from zip archive without extracting

is it possible to remove a known password from a ZIP archive without extracting the actual archive? I have some heavily compressed archives and want to avoid having to extract and rezip each of those ...
1
vote
2answers
2k views

Windows zip error: Windows cannot complete the extraction. The destination file could not be created

I have a strange error in Windows 7 when I want to execute/open a file inside ZIP archive. I have two files: File1.dwg File2.dwg The archive is not corrupted ( I checked with 7zip utility ) ...
2
votes
1answer
208 views

How do I add files from a directory to a .zip-File using the 7zip command line?

I am using the 7zip command line to zip-up files. How can I add all files and subdirectorys from a folder to a zip file (.jar archive file)? I used: 7zip.exe a -t7z file.zip C:\folder Thank you.
0
votes
2answers
481 views

How can I create ZIP64 file and test it?

I need a zip file (ZIP64) for a test case, I put a bigfile of 5GB full of zeros and zipped it, but I don't know if is ZIP64. Should the ZIP file exceed 4Gb to be ZIP64? A 4Gb file for a test case ...
2
votes
2answers
678 views

How do I configure Google Chrome to open zip files in file-roller instead of Nautilus?

When I download a .zip file using Google Chrome on Linux, upon clicking it the .zip file opens my Downloads folder in Nautilus, not the .zip file in file-roller. Ironically, Google is mum on the ...
2
votes
2answers
70 views

Windows 7 - open with option for a file in opened compressed file

I'm not sure if this is possible or not but if it was it would make my life allot easier. What I want to do is get the "open with" option to open and make edits to a file in a .zip file without ...
4
votes
1answer
30k views

How to crack a password protected zip file.

I recently downloaded a piece of software that came in a .ZIP archive, but the .EXE software inside of the archive had a password on it. The website that I would have gotten the password from closed ...
0
votes
2answers
154 views

Seeking a GUI archiver with the ability to exclude files/folders with tickboxes

I've been searching for a GUI tool to create zip, 7-zip or tar archives that will allow me to include and exclude files and folders using a GUI. The dialog during archive creation should look ...
3
votes
3answers
3k views

How do I enable multi-threaded LZMA2 using 7-zip 9.20 on the command line?

How do I enable multi-threaded LZMA2 using 7-zip 9.20 on the command line? I know this is normally done with the -t option like so: "-tzip" . How do I do this with LZMA2? I tried -tlzma and ...
18
votes
3answers
1k views

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 ...
2
votes
2answers
386 views

Linux: Specifying top level-directory when creating zip archive

I have project with the usual directory structure (src/, bin/, ...), i.e project-name/ |-- bin |-- lib |-- src `-- Makefile And would like to create an archive with the following directory ...
1
vote
2answers
2k views

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 ...
3
votes
2answers
707 views

Does the RAR compression algorithm compress better than the ZIP compression algorithm?

I took 3 test files and ZIPped them. With the 3 test files again I RARred them. Each .RAR archive is smaller than the corresponding .ZIP archive. Does the RAR compression algorithm give a better ...
2
votes
2answers
2k views

How do I create seperate zip files for each selecterd file/dir in 7zip?

This is the internal zip packer from Total Commander: However I want to use my 7zip packer. When I selecet 5 files, I get 5 seperate .zip archives for each selected file. How do I do that in 7zip?
21
votes
6answers
2k views

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 ...
0
votes
2answers
615 views

Archive format & tool for large amounts of data (50gb+)

I only realised this afternoon that the ZIP format has a limit of what appears to be around 20gb. I am trying to automate an archive process (using Automate) to zip/rar/whatever a collection of ...
3
votes
1answer
63 views

Determine which files take up the most space in zip file

I have a zip file with many directories and files inside of it. I'd like to determine which files are taking up the most compressed space in the archive. Anyone know of a handy mechanism to do this? ...
2
votes
2answers
301 views

How do delete *.jpg files from an already existing Archive?

I have at least 40 archive files, 100 MB each, which also includes many .jpg files within. How I can delete the .jpg files from these archives easily? To be more exact, I am looking for a way to ...
1
vote
2answers
135 views

What archive format to exchange data from Linux to a Mac?

I need to give a friend who has a Mac a bunch of files. Compression doesn't matter, only ease of use. What archive format do you recommend such that no 3rd party tools are needed for extraction? Zip?
1
vote
3answers
188 views

Is there an archive tool (that runs on Windows) that I can set the “execute attribute” in an archive file or zip file?

I have a small set of files I develop on Windows but need to extract and run on Linux. One of those files is a script, StartApp.sh. I'm packaging the files as a zip archive, passing it to my admin, ...
6
votes
4answers
1k views

How to split a zip file across INDPENDENT volumes

I have about 12 GB of image tiles made up of about 2 million files. I'd like to zip these up to make transferring them to a server simpler. I just plan on storing the files in the zip files for ...
0
votes
2answers
1k views

Need software to convert RAR to ZIP (“store” mode - no compression) * Extract->re-archive changes date/time attributes

I have tried all of the following applications (download.cnet.com - the free ones), and none of them will convert an RAR archive to a ZIP, without compressing the files ("store" mode). 7-ZIP would be ...
2
votes
2answers
43 views

LamedropXPd-like very simple zipper?

A friend of mine needs to zip a bunch of MP3's on her locked-down XP or Vista PC at work. There are two requirements: Since she doesn't have admin rights, the application should either not require ...
0
votes
2answers
2k views

“Unsupported compression method 98” error when unzipping a file. What tools support it, other than WinZip?

I'm getting an error message: "unsupported compression method 98" when unzipping a file somebody sent to me. I've tried both an older version of WinZip, and 7-Zip 4.65. (Update: I've also tried ...
4
votes
3answers
24k views

Howto unzip “.xz” file with 7z and lzma

I tried to uncompressed a "*.xz" file with both 7z and lzma. But they gave me such message: $ 7z x myfile.fq.xz 7-Zip 4.57 Copyright (c) 1999-2007 Igor Pavlov 2007-12-06 p7zip Version 4.57 ...
19
votes
2answers
13k views

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?
6
votes
5answers
2k views

How can I archive a 30 GB file?

I have a 30 GB zip file containing an archive of digital materials available in the school library that I want to burn to DVD. Of course, 30 Gb is far too large for a single DVD and the content is ...
2
votes
2answers
1k views

Analyzing properties of a zip file

I have a zip file here, and i want to determine how it was compressed (the specific algorithm, properties used to apply that algorithm, etc.). What software can do this for me?
12
votes
1answer
224 views

Three formats? Why?

I needed to download the Ruby Source recently from here and it says, "available in three formats" which are .tar.bz2, .tar.gz and .zip. Is there any reason that we need all three formats? At least on ...
4
votes
7answers
8k views

Extract large zip file (50 GB) on Mac OS X

I was trying to move the files to another hard drive. So I archived all my photos in one large ZIP file using the Mac OS X built-in compress function. But the file failed to extract. I've tried ...
0
votes
4answers
2k views

How can I bulk rename files in a RAR or ZIP archive on the mac?

I have a set of archive files -- both zip and rar formats -- inside of which I need to rename some files. Specifically, I want to do something like this: for each archive file in a directory for ...
7
votes
3answers
8k views

Best Secure Encryption for Zip Files via Linux

I want to use highly secure encryption for zipped files via Linux/Ubuntu using a command line terminal, what is the best command line tool to get this job done? zip -e -P PASSWORD file1 file2 file3 ...
13
votes
4answers
8k views

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? ...
2
votes
1answer
558 views

Why do zip files get corrupted on USB Drives?

Why do older USB drives corrupt zip files? The file size appears the same, but the CRC check fails.
1
vote
2answers
293 views

Extracting files into separate folders

I have few zip files that has at least 10000 files each. I would like to extract files into separate folders by year and month. How can I do that. I have Windows XP Pro.
0
votes
6answers
1k views

A compression program that handles files with unusual extensions

WAR files are simply ZIP files with a renamed extension. I'd like to configure a compression program to handle these (on double-clicking the file), but mine doesn't recognize them unless I rename them ...
1
vote
5answers
2k views

Automatically unzip/untar downloaded files?

Is there a way to automatically unzip/untar everything I download? Preferably without installing anything (I already have enough programs running all the time) and something that works with all ...
5
votes
5answers
9k views

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 ...
0
votes
2answers
189 views

Compressed Folder Wizard - other archive formats

Anybody know of a shell extension to make other archive formats, such as RAR, work with Windows' built-in Compressed Folder Wizard?
50
votes
20answers
41k views

Compressing with RAR vs ZIP

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 ...