Rustでコマンド実行

main.rs

use std::process::Command;

fn prepare_cmd(cmd: &str, args: &[&str]) -> Command {
    let mut cmd = Command::new(cmd);
    for arg in args {
        cmd.arg(arg);
    }
    cmd
}

fn main() {
    let args = vec!["ls", "-l", "-a", "-h"];
    let mut cmd = prepare_cmd(args[0], &args[1..]);
    cmd.spawn().expect("command failed to start");
}