cargo-script-mvs
xshell
cargo-script-mvs | xshell | |
---|---|---|
9 | 10 | |
35 | 639 | |
- | - | |
5.3 | 5.0 | |
6 days ago | about 1 month ago | |
Rust | Rust | |
GNU General Public License v3.0 or later | Apache License 2.0 |
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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.
cargo-script-mvs
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This Week in Rust #497
The eRFC was intentionally light on details so the Pre-RFC / IRLO thread and the demo best reflect what we hope to accomplish which are pretty detailed as-is.
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Rust went from side project to world’s fastest growing language
> A) is easy to write one off scripts that do a job fast, with minimal thinking and effort. I am thinking of Python and Ruby. For me I can write code with high velocity in these languages.
Once I wrap up some other projects, I plan to explore this space a little bit within Rust.
imo the biggest bang for the buck is just having good `#!` support. Probably mid-year I expect to have a Pre-RFC up for single-file cargo packages. See https://github.com/epage/cargo-script-mvs/discussions/15.
A bigger effort is a batteries included, non-zero cost stdlib. I've started writing up my thoughts at https://github.com/ergo-rs/ergo.
For more background on why I think these are important, see https://epage.github.io/blog/2021/09/learning-rust/.
Would love feedback on these ideas and other ways to make Rust easy to use without sacrificing what makes Rust it is.
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Rust as bash scripting replacement?
This is something I'm interested. Every time I write a bash or Python script, I think "why didn't I do this in Rust?". The first barrier is in the same line as your thoughts which is why I've been investigating the various cargo-script spin-offs and working towards an MVP for a Pre-RFC.
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Val on Programming: What makes a good REPL?
Something I've been thinking a lot about for Rust is what can and should a REPL experience be for a compiled language (ie what are reasonable compromises).
There seem to be two repls that haven't gotten much traction:
- https://github.com/google/evcxr/blob/main/evcxr_repl/README....
- https://github.com/sigmaSd/IRust
There have been little and big nits that have held me back from wanting to push these further, including
- Bad defaults (having to opt-in to panic handling)
- Command syntax feeling out of place and likely not beginner friendly
- Limits on variable preservation
- Lack of introspection (at least irust as `:type`)
So far I've been punting on wanting to improve this area by instead focusing on polishing up a rust script solution in the hopes of getting it merged: https://github.com/epage/cargo-script-mvs
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Quick Tip: You don't need to create a new cargo project if you want to test if something works in rust
rust-script is the most up-to-date version I could find. See https://github.com/epage/cargo-script-mvs/discussions/15
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Creating an Easy Mode for Rust
cargo-script has been forked or reimplemented several times.
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clap with Ed Page :: Rustacean Station
cargo-script: I've done some initial analysis and recorded my thoughts on what cargo-script in Rust should look like. If people are interested in this or other individual / company on-boarding improvements, I'd love to talk!
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When not to use Rust?
Fully agree with this though I also feel there is room for experimentation and improvement in this area. I've previously blogged on this and have started researching cargo-script. Hopefully later I'll get to my standard-adjacent library.
xshell
- Hey Rustaceans! Got a question? Ask here (17/2023)!
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would you use rust for scripting?
Just a few minutes ago I learned about https://github.com/matklad/xshell and it looks nice!
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Rust for Web Development | An Honest Evaluation
For developer-oriented stuff, there's tools like xshell and cargo-xtask. For operator tasks that need to run in a deployed environment, it's not usually a big lift to add CLI subcommands to your binary. It's certainly more boilerplate and inertia than doing stuff in a live REPL, though, and sometimes difficult to recommend for truly one-off situations.
- Started using Rust for scripting
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Rust as bash scripting replacement?
how was your experience with trying to use [xshell](https://github.com/matklad/xshell/) as a shell script replacement? was the boilerplate worth it?
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How to improve my Rust workflow?
Also xshell might be helpful here https://github.com/matklad/xshell
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Rust Support in the Linux Kernel
* time to compile whatever syn generated
I didn’t do a super thorough studies of things, but my impression is that 2, performance of syn itself, is rarely an issue. Most of the time it is 1) (and the associated problem of decreased build parallelism because half of the crates wait for syn to compile) and 3).
To get a feeling how costly a simple proc macro is, run this benchmark: https://github.com/matklad/xshell/blob/4e5090e9f79baeed1037b....
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cradle: Run child processes with ease
This is an API vulnerable to shell injection. I think it’s relatively important to design command-running libraries which don’t re-introduce the possibility of this error into Rust. The fix here is to ensure that the string is a compile-time string, and, preferably, even lex it at compile time. See xshell for an example of ergonomic and safe API here: https://github.com/matklad/xshell.
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The Plan for the Rust 2021 Edition
Note that “lexer level” proc macros, which don’t parse rust code, and which don’t generate a ton of Rust code, could be pretty light weight on compile times. Here’s a benchmark one can run to measure that: https://github.com/matklad/xshell/blob/master/tests/it/main.rs#L376
What are some alternatives?
cargo-script - Cargo script subcommand
rfcs - RFCs for changes to Rust
rust-script - Run Rust files and expressions as scripts without any setup or compilation step.
Cradle - Play Twine stories in Unity.
gcpp - Experimental deferred and unordered destruction library for C++
compiler-explorer - Run compilers interactively from your web browser and interact with the assembly
evcxr
rust - Empowering everyone to build reliable and efficient software.
IRust - Cross Platform Rust Repl
hashira-templates - Starter templates for hashira
team - CLI working group