Nsh: A fish/bash-like Posix shell in Rust

• nsh

  4 707 6.1 Rust

  A command-line shell like fish, but POSIX compatible.

• ble.sh

  23 666 9.2 Shell

  Bash Line Editor―a full-featured line editor written in pure Bash! Syntax highlighting, auto suggestions, vim modes, etc. are available in Bash interactive sessions!

  > bash is far behind concerning interactivity.

  Is it really? Projects like ble.sh [1] seem to pull off advanced features like syntax highlighting and enhanced completion with pure bash without the need for reimplementing a whole shell from the ground up.

  1.: https://github.com/akinomyoga/ble.sh

• SonarQube

  www.sonarqube.org

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• babelfish

  2 64 0.4 Go

  Translate bash scripts to fish (by bouk)

  Have you made use of tools like babelfish? https://github.com/bouk/babelfish

• oil

  111 1,998 9.8 Python

  Oil is a new Unix shell. It's our upgrade path from bash to a better language and runtime. It's also for Python and JavaScript users who avoid shell!

  

  This project looks very young. It might evolve into a contender but even the document on Bash compatibility just says "TODO" and frankly Bash compatibility is going to be a multi-year project on its own.

  For anyone after an upgrade path from Bash/Zsh then Oil shell is a lot more mature: https://www.oilshell.org/

• nushell

  82 17,002 9.7 Rust

  A new type of shell

  

  The name sounds very similar to Nushell[1], also written in Rust, but more mature and recognizable

  1: https://www.nushell.sh/

• plugin-foreign-env

  2 143 0.0 Shell

  Run foreign bash scripts and capture exported environment variables

  

• oursh

  2 53 8.4 Rust

  Your comrade through the perilous world of UNIX.

  There is also https://github.com/nixpulvis/oursh which wants to be POSIX compatible with its own extensions. Actually I would prefer if a new shell focuses on bash compatibility.

  If features are integrated, then I would probably want to have something about error handling because it is difficult to get right in bash even with shellcheck¹ and gets just worse when things run in parallel.

  ¹ https://www.shellcheck.net/

• OPS

  github.com/nanovms

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• ShellCheck

  202 27,486 8.5 Haskell

  ShellCheck, a static analysis tool for shell scripts

  There is also https://github.com/nixpulvis/oursh which wants to be POSIX compatible with its own extensions. Actually I would prefer if a new shell focuses on bash compatibility.

  If features are integrated, then I would probably want to have something about error handling because it is difficult to get right in bash even with shellcheck¹ and gets just worse when things run in parallel.

  ¹ https://www.shellcheck.net/

• fish-shell

  128 18,030 9.9 C++

  The user-friendly command line shell.

  

  or use a function. But the above example doesn't actually work, because unfortunately Fish has a deeper defect than a syntactical discrepancy here, and job control is not implemented for Fish functions, see https://github.com/fish-shell/fish-shell/issues/238 and the Fish manual's section on job control https://fishshell.com/docs/current/language.html?job-control.... But again, this is not a syntax issue but a job control issue, a defect in the implementation rather than the design of the syntax.

  Finally:

  > For any shell wannabe, there is a very large part of the syntax used by ksh/zsh/bash that can be changed without problems, e.g. conditional structures, loops, variable and function definitions, various kinds of parameter expansions and expressions and so on.

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