All Questions
Tagged with compression rar
37 questions
0
votes
1
answer
53
views
What happens if during RAR compression the laptop runs out of battery?
I was compressing a large file using RAR, so it took quite a while. During the compression at some point I had to unplug the computer and let it continue with battery only. After a few hours when I ...
- 1
2
votes
0
answers
114
views
Compress a folder with internal complex folders tree and UTF-8 mixed languages files and formats for archive
I have a cloud folder on my hard-drive which I want to archive, in-order to do so I would like to compress it using best of choice compressor for that task :
Complex sub-tree of internal folders with ...
- 121
2
votes
2
answers
4k
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 ...
- 875
0
votes
1
answer
3k
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RAR command-line: how to include a directory (recursively) but with another name in the archive?
I have read RAR a folder without persisting the full path
which helps about the RAR -ep1 switch but I still have the following problem:
I want to add the directory D:\Temp\FolderA and its ...
- 1,907
2
votes
1
answer
671
views
Convert RAR to 7zip
To convert a RAR to 7zip archive the typical approach is to unpack the RAR archive and the repackage as 7zip.
Without unpacking and repacking is there a way to convert a RAR archive to 7zip format?
- 1,006
0
votes
1
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238
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Extract multipart rar with password, deleting parts as they are extracted
how can I use this on rar with password? I know the password is
https://superuser.com/a/1031807/1136215
- 3
0
votes
1
answer
860
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Compress multiple folders with Winrar command line and batch
I want to compress all the folders that contain the word (Album), these folders have the following structure
Michael Jackson\Invincible (Album)
Michael Jackson\Thriller (Album)
Luciano Pavarotti\'O ...
- 113
2
votes
1
answer
2k
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Unusual behaviour with a passworded rar being invalid password in winrar but falsely accepted in 7zip
I found an old .rar file on my computer but I couldn't remember the password exactly. I had a rough idea of what it was, so I wrote a program using 7ziplib in c# to brute force a bunch of permutations....
- 2,752
1
vote
2
answers
3k
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Do a compression dry run (i.e., no file output)
Is there any way to do a dry run compression to RAR or 7-Zip format? (Command line is fine.) What I'd like to get is an accurate compressed size estimate.
I tried to find an option for it in WinRAR ...
- 115
-1
votes
1
answer
2k
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compressing rar\zip avoid file getting corrupted? [closed]
Which good rar\zip compression setting or method to avoid file getting corrupted? store- not compressing anything, just put files together. best- compressing as small as can, it may chance file ...
4
votes
1
answer
10k
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Extract multipart rar, deleting parts as they are extracted
I have a multipart rar of 80GB unpacked. I have 5GB of free space, and every part of the rar archive is 2GB.
What I'm looking for is to extract one part, delete it, extract the next, and so on, as to ...
- 225
2
votes
3
answers
5k
views
How can I compress every 10 files in a folder as a separate zip file?
I'm on Windows 10 and trying to work it out with Winrar. The folder contains 500 files, I would like to compress every 10 of them as a separate zip/rar file and create 50 zip/rar files.
Is there a ...
- 123
1
vote
1
answer
1k
views
rar - command line switch for exclude compress but store?
Assuming I have few files like :
--- +Royi
|
+---1.txt
+---2.txt
+---3.Avi
+---4.mp4
+---5.docx
looking at :
rar a -r -m1 Royi myArchive.rar
This will shrink all files ...
- 5,848
1
vote
4
answers
840
views
Is it better to compress all data or compressed directories?
I'm archiving some projects, let's say each of them has own directory:
projects
|- project-1
|- project-2
|- project-3
I started compressing them as following:
==== SITUATION 1 ====
projects
|-...
- 113
-1
votes
1
answer
100
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How can compressed archives like .RAR be repaired?
I'm interested to know how WinRAR and 7-zip repairs archives but unfortunately I couldn't find any description about this process.So I'm here to ask: How does WinRAR or 7-zip repairing process work? ...
- 3,070
-4
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1
answer
144
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How is this RAR archive able to achieve such a good compression ratio?
I have a RAR archive containing a single AVI video file which is 42 MB in size. The RAR archive is only 500 KB. How can they achieve such a high compression ratio?
Update: The video is no longer ...
- 1,096
1
vote
1
answer
2k
views
Is there an alternative to httpfs2 to mount web urls in Linux?
Currently I use httpfs2 to mount direct web urls in the filesystem. For example a rar archive which has to be decompressed, but I don't have enough space on my VPS to download AND then decompress the ...
- 703
1
vote
2
answers
4k
views
Merging many .rar files in one .rar file
I have about 200GB of rar part files (all .rar) that I would like to merge into 1 single .rar file. I'm trying to perform this in Windows. How would one go about merging many a rar file without ...
- 161
29
votes
2
answers
85k
views
What is the difference between rar and RAR5 compression?
What is the difference between rar and RAR5 compression ?
Which is better for which purpose vs the compression time.
- 291
18
votes
6
answers
71k
views
How to extract multipart rar with missing parts?
I have a multipart .rar archive containing a single .tar.gz file inside it (don't ask why, that is just how it was made). I am missing a few of the parts, but do have the first part. I would like to ...
- 311
1
vote
1
answer
543
views
Extracting one file from archive: 7-zip requires decompressing entire archive?
I've noticed that when browsing an archive containing multiple files with 7-zip 9.20 Windows GUI, extracting one file for previewing takes significantly longer with .7z than .rar archives. With .7zips ...
- 373
0
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0
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385
views
How can I get RAR to create a segmented archive (volumes) when compressing from stdin?
I have this ZFS box where I'm creating incremental snapshots, then piping them into RAR (4.2) for compression and encryption, and finally backing those files up remotely.
Thing is, RAR seems to ...
2
votes
1
answer
155
views
Find out who compressed the files
I received a message that contains a compressed RAR file.
How can find out who compressed the files and created RAR file? (the user account or computer name)
- 155
-1
votes
1
answer
106
views
Why don't mp3 files use better compression techniques? [closed]
For instance, an mp3 can be losslessly compressed with 7zip to about 25% of its original size. I compressed an album and the whole thing is a 1/4 of the size. Each song is about a 1/4 of the size (a ...
- 831
2
votes
1
answer
11k
views
Set default options for WinRar
Is there some method for setting the default extraction properties for WinRar? I want to make it so that I can open a rar file, press Alt-W and have it decompress to a default location and have it ...
- 433
0
votes
1
answer
191
views
Carve data in RAR archive that was incompletely downloaded
Is it possible to perform data carving the data (contents) of a .RAR archive, in its compressed form?
I cannot uncompress/extract the .rar file because I could not completely download it. I downloaded ...
- 49
26
votes
1
answer
35k
views
How do I rar a file into several parts in Linux?
I want to make a rar file(not tar or gzip) with several parts in linux shell, how is it possible ?
for example my file is : m.avi - 500mb
I want this :
m.part1.rar 250mb
m.part2.rar 250mb
- 783
2
votes
2
answers
297
views
Modern command line file compression utilities
I am frequently moving large files around from server to server.
UNIXes comes with standard gzip and bzip2 compressors. However, what open options there exist beyond these, especially ones utilizing ...
- 2,480
2
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3
answers
6k
views
Is there better compression than RAR? [duplicate]
Possible Duplicate:
Compressing with RAR vs ZIP
As many will know, the RAR format produces consistently better results than ZIP. I've used RAR happily for many years and it's really occurred to ...
- 2,691
4
votes
2
answers
3k
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 ...
- 27.8k
0
votes
2
answers
3k
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 ...
- 165
2
votes
2
answers
8k
views
Creating/extracting RAR files on Mac OS X
I would like to be able to create RAR files easily on Snow Leopard with some sort of GUI utility. I know that RARlabs maintains a Mac version of the RAR command line utility, but I don't want to have ...
- 213
1
vote
2
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12k
views
What is more important when extracting rars cpu or hdd?
When i am extracting big rars it takes forever. However when i look in the task man cpu usage is only about 16%.
I am thinking that the hdd is the bottleneck, or maybe not? The hdd is an average 7200 ...
- 805
4
votes
1
answer
479
views
How to see just content of ZIP/RAR etc withoud downloading?
How to see just content of ZIP/RAR etc without downloading?
for example like this http://dev.novemberborn.net/sifr3/nightlies/
- 9,004
350
votes
9
answers
685k
views
How can I extract .rar files on the Mac?
How can I extract RAR files in macOS? The built-in Archive Utility only supports ZIP.
Is there anything else, built-in or third-party, that also supports RAR?
I don't mind whether it's Terminal-only ...
- 6,864
1
vote
2
answers
239
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?
- 1,253
91
votes
21
answers
160k
views
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 ...