par2cmdline
p7zip
par2cmdline | p7zip | |
---|---|---|
28 | 13 | |
679 | 737 | |
2.4% | 1.4% | |
0.0 | 0.0 | |
about 2 months ago | 7 months ago | |
C++ | C | |
GNU General Public License v3.0 only | - |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
par2cmdline
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Best archival medium for 3-10 gig video files?
An alternative is including PAR2 files.
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Understanding CD-R and CD-RW (2003) [pdf]
Not only that but if you budget for an expected error rate of let's say 10% you can use par2 to create additional files that add that redundancy to your archives.
https://github.com/Parchive/par2cmdline
- Is this a viable strat to backup while still having some live access to relevant data?
- Par2cmdline is a PAR 2.0 compatible file verification and repair tool
- Tips for Long Term Data storage (20+ years).
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Side-by-side: WinRAR, PeaZip, 7-Zip, WinZip
That's the same reason I do archive files. For parity I personally use (https://github.com/Parchive/par2cmdline) which does create extra files, so I can see how WinRAR would have something to add there.
- Come aggiungere parità a un gruppo di DVD?
- Adding redundancy records to data
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FSArchiver – Filesystem Archiver for Linux
Here's the first example I could find.
https://pthree.org/2014/04/01/protect-against-bit-rot-with-p...
Basically, you take a normal TAR file and creates external parity files that can be used to recover data in the case of bitrot. Something like this would have been great to have on a few data files I had to retrieve from tape that ended up with a bit flip somewhere in the network > disk > tape > disk process.
However, it doesn't look like the program is maintained anymore...
http://parchive.sourceforge.net/
> DISCLAIMER: This project web space is not actively mantained and is presented here for archive purposes. However some project members still montior the project mailings lists if you have questions. (sic)
The last release was in 2004 (Wikipedia says it was active until 2015, but I don't see that).
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Archiver
Check out par2. I don't know personally of an open source one except I used QuickPar for Windows in the distant past. There's also multipar: https://github.com/Yutaka-Sawada/MultiPar and parchive: https://github.com/Parchive/par2cmdline
p7zip
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Ubuntu 23.04 (Lunar Lobster)
nearly every main distro I am aware of has both available. The reason you still see p7zip is because the CLI incompatibilities vs the newer 7z/7zip executables and the general licensing issues. Most users of "old p7zip" are actually using the actively maintained https://github.com/p7zip-project/p7zip which is updated, supporting unix permissions and zstd and so on.
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7-zip 22.00 – APFS, Posix TAR, high precision timestamps
Thank you for pointing this out! This is the source of much confusion. Although Arch for example uses https://github.com/jinfeihan57/p7zip which seems to be reasonably maintained?
- Ark and 7-zip
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Replace p7zip with upstream 7-Zip
Then you can compile p7zip from source: $ mkdir p7zip-git $ cd p7zip-git $ git clone https://github.com/jinfeihan57/p7zip .
- Don't Use RAR
- TIL there's a fork of the unmaintained p7zip port of 7-Zip
- I can't compress in 7zip with Ark and p7zip
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will arch replace p7zip with normal 7-zip?
April 4th was the latest release. Had some commits in May. I think it is active.
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Why is 7z so outdated?
I think the point is, the '7z' at 17.04 available in Arch Linux's repo is actually p7zip, the development of which is independent of 7-zip. So comparison of the version number is meaningless (if I am right). Also, p7zip 17.04 is released in April this year, not 2017, according to its release page
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7-Zip 21.0 alpha introduces native Linux support
this comment might clarify that.
What are some alternatives?
par2deep - Produce, verify and repair par2 files recursively.
7-Zip-zstd - 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard
dwarfs - A fast high compression read-only file system for Linux, Windows and macOS
NanaZip - The 7-Zip derivative intended for the modern Windows experience
7z - Because 7-zip source code was in a 7z archive [mirror]
fast-lzma2 - Fast LZMA2 Library
libarchive - Multi-format archive and compression library
Squirrel - An installation and update framework for Windows desktop apps
engrampa - A file archiver for MATE
chirppy - Play chirp.io chirps with Python