clap-rs
rust-starter
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clap-rs | rust-starter | |
---|---|---|
154 | 8 | |
13,288 | 398 | |
2.0% | 1.3% | |
9.6 | 5.5 | |
1 day ago | about 2 months ago | |
Rust | Rust | |
Apache License 2.0 | MIT License |
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.
clap-rs
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Build Your Own curl - Rust
We will be using the library for Clap - A simple-to-use, efficient, and full-featured library for parsing command line arguments and subcommands.
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CLI Contexts
I recently came across this question (and associated answer) on the clap repository. The answer given is a good one. But I wanted to expand with my own findings and practices, which spurred the motivation for this post.
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Getting Started with CLI tools in Rust using Clap
We can also use tuple-like struct syntax and named-field struct syntax for enum variants within our enum; this is because unlike in other OOP languages, Rust enums are actually sum types. You can read more about how powerful Rust enums are in another article we wrote here. You can have optional arguments by simply wrapping the types in Option, but if you want to add a flag to a command you can use bool, since clap recognises that flags are either there or not there. Let's have a look at what this might look like:
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Flow Updater JSON Creator
I began by developing a wrapper for the CurseForge API, which turned out to be a lengthy and challenging process but constituted the bulk of the work. Next, I coded the CLI, which was relatively straightforward. Instead of using the clap crate, a Rust tool for generating CLIs, I opted for the following line of code:
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netcrab: a networking tool
By this time I had already gotten tired of parsing arguments by myself and had looked for something to help with that. I found a really dang good argument parsing library called clap. What makes it so cool is it's largely declarative for common uses. You simply mark up a struct with attributes, and the parser automatically generates the usage and all the argument parsing code.
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Grimoire - A recipe management application.
How CLI arguments are handled (using clap).
- Rust 1.72.0
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I made an alternative --help renderer for clap based applications
Is this just referring to wrapping based on the terminal width? That is supported with the wrap_help feature though I have been considering making it a default feature.
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Looking for advice around project direction using artix-web
CLI, use Clap. If you want to get fancy, use Tui.
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Build a HTTP server with Rust and tokio - Part 1: serving static files
As our CLI is getting more complex, we'll use the clap crate to parse the command line arguments.
rust-starter
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Why are so many important features not in standard library yet?
There's enough disagreement over personal taste that there are various repositories (eg. my CLI boilerplate vs. Rust Starter) but none especially dominant.
- rust-starter/rust-starter A simple framework to build Rust CLI Applications
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Show HN: Rust-starter, a boilerplate to build Rust CLI applications
You can use the newError branch: https://github.com/rust-starter/rust-starter/tree/newError
See https://rust-starter.github.io/#feature-errors for why Failure is still used.
- rust-starter: boilerplate to build Rust CLI applications
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Ask HN: What Are You Working On?
Tools for Rust. Currently wrestling with dev ops for a crates dependency visualizer. Also on the list, a bootstrapping template for commandline application in Rust (https://github.com/rust-starter/rust-starter) and also planning to develop a Rust job board.
What are some alternatives?
structopt - Parse command line arguments by defining a struct.
mapbox-gl-js - Interactive, thoroughly customizable maps in the browser, powered by vector tiles and WebGL
argh - Rust derive-based argument parsing optimized for code size
tui-rs - Build terminal user interfaces and dashboards using Rust
docopt.rs - Docopt for Rust (command line argument parser).
rust-cli-boilerplate - Rust project boilerplate for CLI applications
argparse-benchmarks-rs - Collected benchmarks for arg parsing crates written in Rust [Moved to: https://github.com/rosetta-rs/argparse-rosetta-rs]
easy_flag - Simple command line flag parser for rust.
maplibre-gl-js - MapLibre GL JS - Interactive vector tile maps in WebGL2
serde - Serialization framework for Rust
LIPS - Scheme based powerful lisp interpreter in JavaScript