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thisIsGoingToBeASeriousDebate (programming.dev)

submitted 10 months ago by [email protected] to c/[email protected]

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[-] [email protected] 39 points 10 months ago

Personally,

echo Hello World!

[-] [email protected] 31 points 10 months ago

use std::process::Command;

fn main() {
    Command::new("sh")
        .arg("-c")
        .arg("echo Hello World!")
        .spawn()
        .unwrap();
}

Like this?

[-] [email protected] 10 points 10 months ago

No, more like

use std::process::Command; fn main() { Command::new("sh").arg("-c").arg("echo Hello World!").spawn().unwrap(); }

.
Just a little bit shorter, as it seems /s

[-] [email protected] 8 points 10 months ago

I just fucking threw up

[-] [email protected] 6 points 10 months ago

I did too. Multiple times in fact, I had to look at the other Rust code!

[-] [email protected] 2 points 10 months ago

Isn't echo a shell builtin?

[-] [email protected] 1 points 10 months ago

Yes and no. While coreutils does provide an echo binary, shells also have a built-in for optimisation purposes.

At first I had the code calling the binary directly, but then changed it to spawning a shell (and so using the builtin). It's very cursed either way.

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this post was submitted on 31 Oct 2023

269 points (89.9% liked)

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