mycmd
murex
mycmd | murex | |
---|---|---|
1 | 55 | |
4 | 1,376 | |
- | - | |
3.1 | 9.6 | |
19 days ago | 2 days ago | |
Shell | Go | |
MIT License | GNU General Public License v3.0 only |
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mycmd
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Bash functions are better than I thought
Woah, this is very cool. I may try to adopt this.
I recently discovered, similar to the author of the post for this thread, that local variables are dynamically scoped.
I have been writing a lot more shell scripts lately, using a "library" [1] of sorts I've been writing. When I was debugging one of my scripts that uses mycmd, I discovered that I had failed to declare some of my variables local and they were leaking out to the global scope.
I had recently added functionality to call a set of functions on script exit, so I added something that would output the defined variables, in hopes that I could write something that will output them at the beginning and then the end and show the difference. I was surprised when variables defined in my dispatch function [2] for those at exit functions were showing up, even though they were definitely defined as local. It was then that I dug around and discovered the dynamic scope of variables.
I've been trying to figure out how to accomplish what I desire but exclude those variables from calling functions. I haven't been able to find an obvious way to see if the variable is coming from a calling function. I might be able to use techniques like you've pointed out in your linked post to add the tracing that I want. Still need to think more on this.
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[1] https://github.com/travisbhartwell/mycmd
murex
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Show HN: a Rust Based CLI tool 'imgcatr' for displaying images
This is how murex works too https://github.com/lmorg/murex/blob/master/config/defaults/p...
- Xonsh: Python-powered, cross-platform, Unix-gazing shell
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The Bun Shell
I agree. I’ve written about this before but this is what murex (1) does. It reimplements some of coreutils where there are benefits in doing so (eg sed, grep etc -like parsing of lists that are in formats other than flat lines of text. Such as JSON arrays)
Mutex does this by having these utilities named slightly different to their POSIX counterparts. So you can use all of the existing CLI tools completely but additionally have a bunch of new stuff too.
Far too many alt shells these days try to replace coreutils and that just creates friction in my opinion.
1. https://murex.rocks
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Jaq – A jq clone focused on correctness, speed, and simplicity
This is exactly what Murex shell does. It has lots of builtin tools for querying structured data (of varying formats) but also supports POSIX pipes for using existing tools like `jq` et al seamlessly too.
https://murex.rocks
- Murex rocks v5 is out
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The Case for Nushell
Stable is a problem because a lot of these shells don’t offer any guarantees for breaking changes.
My own shell, https://github.com/lmorg/murex is committed to backwards compatibility but even here, there are occasional changes made that might break backwards compatibility. Though I do push back on such changes as much as possible, to the extent that most of my scripts from 5 years ago still run unmodified.
- Murex
- FLaNK Stack Weekly for 20 June 2023
- Show HN: A smarter Unix shell and scripting environment
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Nushell.sh ls – where size > 10mb – –sort-by modified
This is similar to how my shell works. It still just passes bytes around but additionally passes information about how those bytes could be interpreted. A schema if you will. So it works as cleanly with POSIX / GNU / et al tools as it does with fancy JSON, YAML, CSV and other document formats.
It basically sits somewhere between Powershell and Bash: typed pipelines like Powershell but without sacrificing familiarity with all the CLI commands you already use day in and day out.
https://github.com/lmorg/murex
As an aside, I’m about to drop a massive update in the next few days that will make the shell even more intuitive to use.
What are some alternatives?
hasura-ci-cd-action
elvish - Powerful scripting language & Versatile interactive shell
basalt - The rock-solid Bash package manager.
nushell - A new type of shell
Seed - A Rust framework for creating web apps
tidy-viewer - 📺(tv) Tidy Viewer is a cross-platform CLI csv pretty printer that uses column styling to maximize viewer enjoyment.
bash2048 - 2048 in bash
fx - Terminal JSON viewer & processor
stripe-jobs-cli
jc - CLI tool and python library that converts the output of popular command-line tools, file-types, and common strings to JSON, YAML, or Dictionaries. This allows piping of output to tools like jq and simplifying automation scripts.
bash-core - Core functions for any Bash program.
xonsh - :shell: Python-powered, cross-platform, Unix-gazing shell.