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Cross-platform Rust rewrite of the GNU coreutils

162 mentions on Hacker News by 138 people: 22 stories, 140 comments · first 2013-11-29 · latest 2026-10-04

Mentions per year 162 mentions · busiest year 2025 (28)
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  1. …as my default shell. They were also writing their own but recently decided instead to begin incorporating github.com/uutils/coreutils (Rust rewrite of GNU coreutils). They target uutils to be a drop-in replacement for the GNU utils.…
    comment by abhinavk · 2024-01-21 · in The Bun Shell
  2. …when to/not to rewrite code, but when you do, you do trade one set of bugs for a new set of bugs: https://github.com/uutils/coreutils/issues
    comment by andsoitis · 2024-01-03 · in Cross-platform Rust rewrite of the GNU coreutils
  3. …that have been developed and maintained for decades and used by millions over that time period. https://github.com/uutils/coreutils/issues/1420 https://github.com/uutils/coreutils/issues/886 https://github.com/uutils/coreutils/issues/5149…
    comment by lohnjemon · 2024-01-03 · in Cross-platform Rust rewrite of the GNU coreutils
  4. Think of it like a blackbox reimplementation, not porting existing code to another language: https://github.com/uutils/coreutils/blob/244693f50e224abf726...
    comment by Aissen · 2024-01-03 · in Cross-platform Rust rewrite of the GNU coreutils
  5. …you count. Methodology comments welcome. [1]: https://www.gnu.org/software/coreutils/#source [2]: https://github.com/uutils/coreutils
    comment by tczMUFlmoNk · 2023-11-23 · in Committing to Rust for Kernel Code
  6. …Rust Implementation Of GNU Coreutils.[1] Could be a big win for memory safety and performance. [1] https://github.com/uutils/coreutils
    comment by slacka · 2023-11-06 · in The first stable release of a memory safe sudo implementation
  7. …) The person you’re replying to was speaking of a different project - uutils ( https://github.com/uutils/coreutils ). These are drop in replacements with identical interfaces (modulo bugs).
    comment by nindalf · 2023-03-02 · in Bsdutils: Alternative to GNU coreutils using software from FreeBSD
  8. https://github.com/uutils/coreutils MIT license
    comment by aver4geredditor · 2023-03-02 · in Bsdutils: Alternative to GNU coreutils using software from FreeBSD
  9. …than having to reimplement a whole userland from scratch. Probably. But once it's reimplemented ( https://github.com/uutils/coreutils ) I think it's really cool you can run get binaries for Linux, macOS and Windows with one build command.
    comment by nindalf · 2023-02-14 · in Curl audit: How a joke led to significant findings
  10. …source code, it is impressive that this re-implementation is essentially complete! Look at this: https://github.com/uutils/coreutils/tree/main/src/uu It's only missing some obscure and fringe things. It's not just a matter of having all…
    comment by yjftsjthsd-h · 2023-02-13 · in Reimplementing the Coreutils in a modern language (Rust)
  11. …a long thread in the uutils repo with a discussion (slash flame war) about the license choice: https://github.com/uutils/coreutils/issues/834
    comment by medler · 2023-02-13 · in Reimplementing the Coreutils in a modern language (Rust)
  12. Link to the actual implementation: https://github.com/uutils/coreutils I love these re-implementations of things. Technology advances by the continued reinvention of the wheel, and even if some efforts end up being of merely didactic…
    comment by enriquto · 2023-02-13 · in Reimplementing the Coreutils in a modern language (Rust)
  13. Related, but sudo is not in scope for this project: https://github.com/uutils/coreutils
    comment by candiddevmike · 2022-11-04 · in Sudo: Heap-based overflow with small passwords
  14. …attacking the project and the people behind it. I was a big fan of FSF until that point. [0] https://github.com/uutils/coreutils
    comment by faisal_ksa · 2022-10-08 · in Is the FSF Fighting the Previous War?
  15. …of rewriting, but there are very much active efforts to rewrite things in rust (ex. coreutils - https://github.com/uutils/coreutils , OS - https://www.redox-os.org/ ) or to add rust to existing projects (Linux, Firefox and Chrome both (…
    comment by yjftsjthsd-h · 2022-07-22 · in Building a Rust Mentality
  16. I heard only about this one: https://github.com/uutils/coreutils ("Cross-platform Rust rewrite of the GNU coreutils")
    comment by jwilk · 2022-07-18 · in How efficient can cat(1) be?
  17. …is that uutils yes can be even faster than GNU yes by taking advantage of Linux's vmsplice syscall: https://github.com/uutils/coreutils/blob/main/src/uu/yes/src... On my system it manages 20GB/s vs 6 GB/s (piping through pv into /dev/null).
    comment by duckerude · 2022-01-29 · in An update on rust/coreutils
  18. …Rust would you be able to use this as an OS abstraction layer by importing these sorts of things: https://github.com/uutils/coreutils/blob/main/src/uu/chmod/s... Is this one of the intentions of this team? It sounds like it could make…
    comment by gravypod · 2022-01-29 · in An update on rust/coreutils
  19. …('utils') which are more or less stand-alone[0], so I think this mantra doesn't apply here. [0] https://github.com/uutils/coreutils/tree/main/src/uu
    comment by sva_ · 2022-01-29 · in An update on rust/coreutils
  20. https://github.com/uutils/coreutils/actions click on a CI job on main For example: https://github.com/uutils/coreutils/runs/4990891225?check_su... The "Run GNU tests" is probably what you are looking for.
    comment by sylvestre · 2022-01-29 · in An update on rust/coreutils
  21. …most of the time by a simple if else. For example, adding new options usually looks like this PR: https://github.com/uutils/coreutils/pull/2880/files The performance wins are usually produced by using some fancy Rust features.
    comment by sylvestre · 2022-01-29 · in An update on rust/coreutils
  22. …folks (GPL advocates) who are disappointed about the choice of license (MIT). See, for example: https://github.com/uutils/coreutils/issues/2757
    comment by mustache_kimono · 2021-12-08 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  23. …in 2021: https://sylvestre.ledru.info/blog/2021/03/09/debian-running-... > tldr: Rust/coreutils ( https://github.com/uutils/coreutils/ ) is now available in Debian, good enough to boot a Debian with GNOME, install the top 1000 packages,…
    comment by steveklabnik · 2021-12-06 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  24. There's also this issue by FSF director Ian Kelling: https://github.com/uutils/coreutils/issues/1781 Honestly, it sounds like they're deeply scared of long-standing FSF-backed software having to compete (or even be replaced) with…
    comment by marcan_42 · 2021-12-06 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  25. …and thinks this project has little merit other than to work around the GPL license of coreutils... https://github.com/uutils/coreutils/issues/1781 I'm curious as to what extent GNU coreutils governance is tied to the FSF these days.
    comment by marcan_42 · 2021-12-06 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  26. …do your own rewrite or, like Muse Group, outright buy the rights to the software and relicense. [1] https://github.com/uutils/coreutils/issues/834
    comment by Toaster-King · 2021-12-06 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  27. …needs to be done, and imho, it is a bit premature to title this article as is presented here. [1] https://github.com/uutils/coreutils#utilities
    comment by signa11 · 2021-12-06 · in Uutils: an attempt at writing cross-platform CLI utilities in Rust
  28. …And I have a PR to fix problems in another Rust wrapper of the same libc functions: https://github.com/uutils/coreutils/pull/2653 It's hard to get right. Skimming the PR, the feedback looks reasonable.
    comment by duckerude · 2021-11-26 · in Rust maintainer perfectionism, or, the tragedy of Alacritty (2020)
  29. …existing ones. I will actually have a breakdown if someone tries to rewrite SQLite in Rust[2]. 1: https://github.com/uutils/coreutils 2: https://sqlite.org/testing.html
    comment by lionkor · 2021-10-26 · in Writing a Linux-compatible kernel in Rust
  30. …of indispensable component of a Linux-based OS - they aren't, and pretending they are hurts us. [1] https://github.com/uutils/coreutils/issues/1781 [2] https://gcc.gnu.org/legacy-ml/gcc/2014-01/msg00247.html
    comment by marcan_42 · 2021-09-30 · in What the GNU?
  31. I think https://github.com/uutils/coreutils is aiming to provide drop-in replacements.
    comment by justaj · 2021-06-20 · in Prossimo – Memory safety for the Internet's most critical infrastructure
  32. See also https://github.com/uutils/coreutils/
    comment by dochtman · 2021-06-18 · in Prossimo – Memory safety for the Internet's most critical infrastructure
  33. …people have actually gone through the effort of rewriting the actual coreutils to spec in Rust ( https://github.com/uutils/coreutils ).
    comment by Svetlitski · 2021-06-16 · in Show HN: fcp – A significantly faster alternative to cp(1), written in Rust
  34. > tldr: Rust/coreutils ( https://github.com/uutils/coreutils/ ) is now available in Debian, Is it just my version of Firefox, or does anybody else get a line wrapping justification algo that ends the first line with "Debia" and begins the…
    comment by jancsika · 2021-03-09 · in Debian Running on Rust Coreutils
  35. https://github.com/uutils/coreutils/search?q=gnu "This is the way it was implemented in GNU split." i dunno maybe there are cases where they copy more than behavior... but interesting to look through
    comment by moocowtruck · 2021-03-09 · in Debian Running on Rust Coreutils
  36. …up [2] and does not implement the old simple version [3] (or the even simpler OpenBSD [4]) [0]: https://github.com/uutils/coreutils/blob/master/src/uu/yes/s... [1]: https://github.com/coreutils/coreutils/blob/master/src/yes.c [2]:…
    comment by felixr · 2021-03-09 · in Debian Running on Rust Coreutils
  37. …time is spending copying the files. For the factor command, some work happened to make it faster https://github.com/uutils/coreutils/commits/master/src/uu/fa... (getting closer). Using Rust also opens some great capabilities like…
    comment by sylvestre · 2021-03-09 · in Debian Running on Rust Coreutils
  38. …that are easy to compile anywhere, and this is as good a way as any to try and learn it. [1] https://github.com/uutils/coreutils/
    comment by twic · 2021-03-09 · in Debian Running on Rust Coreutils
  39. It's not finished, but a decent amount is implemented: https://github.com/uutils/coreutils In general there has been more effort put into trying to improve on the default tools through projects like ripgrep (grep), bat (cat), lsd and exa…
    comment by nicoburns · 2020-10-25 · in Ask HN: Go programming language is over ten years old. What do you think of it?
  40. …has been rather fun and successful, is speeding up uutils' implementation of integer factorisation: https://github.com/uutils/coreutils/pulls?q=is%3Apr+author%3... (uutils is a Rust reimplementation of the GNU coreutils and findutils) I'm…
    comment by nbraud · 2020-06-21 · in Ask HN: What did you make during lockdown?
  41. There is https://github.com/uutils/coreutils implemented in Rust
    comment by asicsp · 2020-06-07 · in Show HN: Choose – An alternative to cut and sometimes awk
  42. https://github.com/uutils/coreutils
    comment by vePhi4le · 2020-05-19 · in Linux Productivity Tools (2019) [pdf]
  43. He might just be wrong: https://github.com/uutils/coreutils The only reason he might still be right is if they don't aim to be POSIX-compliant. The page doesn't explicitly call out compliance as a goal, but given that it has some busybox…
    comment by eximius · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  44. The first four utils were added 7+ years ago: https://github.com/uutils/coreutils/commit/9653ed81a2fbf393f... This has been developed for a while. You're looking at the official GitHub releases which doesn't mean much. It just means they…
    comment by gmanley · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  45. …100 commands, so you'll have seen at least that many separate crates building. They're listed here: https://github.com/uutils/coreutils/blob/6e8c901204934029c88... My impression is that ecosystems where tracking dependencies is hard tend…
    comment by DougBTX · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  46. That commit doesn't have any files in it. The first release of "uutils coreutils" appears to be this: https://github.com/uutils/coreutils/commit/511f138e3856e2d69... which is only twenty days young, and a 0.0.1 release to boot (whatever…
    comment by geocar · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  47. https://github.com/uutils/coreutils/commit/d4e96b33e34373399... I read 2013, Theo de Raadt's email is from 2017, over 4 years later. I think we can fault him for being overconfident and not checking his facts.
    comment by loup-vaillant · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  48. …network connections at build time to fetch dependencies! For example something as simple as chown: https://github.com/uutils/coreutils/blob/master/src/uu/chown...
    comment by notaplumber · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  49. 79 by my count, but I'd be happy to have someone correct me. https://github.com/uutils/coreutils/tree/ef4d09ee3c067c280ba... It looks to me like the only changes in that table since November 2017 are that `join` and `df` were moved from…
    comment by ChristianBundy · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)
  50. …This is in fact incorrect--there is a project aiming to build all of the coreutils in Rust ( https://github.com/uutils/coreutils ). More to the point: while I do concur in the conclusion that Rust shouldn't be a part of the OpenBSD base…
    comment by jcranmer · 2020-05-03 · in Re: Integrating "safe" languages into OpenBSD? (2017)