Pnut: A C to POSIX Shell Compiler you can Trust

1. cosmopolitan

   1 224 19,084 9.8 C

   build-once run-anywhere c library

   

   > I cant run cosmolibc on Android, for example.

   You can:

   https://justine.lol/cosmo3/

   > After nearly one year of development, I'm pleased to announce our version 3.0 release of the Cosmopolitan library. [...] we invented a new linker that lets you build fat binaries which can run on these platforms: AMD ... ARM64

   https://github.com/jart/cosmopolitan/releases/tag/3.5.3

   > This release fixes Android support. You can now run LLMs on your phone

2. CodeRabbit

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3. pnut

   2 3 454 9.8 C

   🥜 A Self-Compiling C Transpiler Targeting Human-Readable POSIX Shell

   

   One of the example we include is a base64 encoder/decoder:

     https://github.com/udem-dlteam/pnut/blob/main/examples/compiled/base64.sh

4. ribbit

   3 19 510 9.0 Scheme

   A portable, compact and extensible Scheme implementation that is fully R4RS compliant. This includes closures, I/O, tail calls, first-class continuations and a Read Eval Print Loop (REPL). The R4RS Scheme REPL fits inside 6.5Kb !

   

   I don't know about the specific motivations for this project, but if you're curious about why work like this has real-world relevance beyond scratching an itch, idle exploration, or meeting a research paper quota, you can look to similar work and literature:

   GNU Mes: https://www.gnu.org/software/mes/

   Stage0: https://bootstrapping.miraheze.org/wiki/Stage0

   Ribbit (same authors): https://github.com/udem-dlteam/ribbit

   See also this LWN article about bootstrappable and reproducible builds: https://lwn.net/Articles/841797/

5. shlibs

   4 1 3 - Shell

   Adding bash sweetness in POSIX sh

   

   I used almost the same idea, but with files in my https://github.com/steveschnepp/shlibs

6. oksh

   5 9 373 2.8 C

   Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh).

   

   All of Android is still based on a pdksh-derivative known as mksh, which is an enormous install base.

   http://www.mirbsd.org/mksh.htm

   OpenBSD switched their default shell to their own pdksh-derivative known as oksh.

   https://github.com/ibara/oksh

   There was an effort to (re)start ksh93 development, but AT&T halted this effort. The bugfixes from the failed effort have moved back into Korn's last release.

   https://github.com/ksh93/ksh/tree/dev

7. ksh

   6 25 207 9.5 C

   ksh 93u+m: KornShell lives! | Latest release: https://github.com/ksh93/ksh/releases

   

   All of Android is still based on a pdksh-derivative known as mksh, which is an enormous install base.

   http://www.mirbsd.org/mksh.htm

   OpenBSD switched their default shell to their own pdksh-derivative known as oksh.

   https://github.com/ibara/oksh

   There was an effort to (re)start ksh93 development, but AT&T halted this effort. The bugfixes from the failed effort have moved back into Korn's last release.

   https://github.com/ksh93/ksh/tree/dev

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