const process = new Deno.Command("top", { stdout: "piped" }).spawn();

async function reader() {
    const stream = process.stdout
        .pipeThrough(new TextDecoderStream())
    for await (const message of stream) {
        console.log(message);
    }
}

reader(); // not calling await so its "non blocking"

const process = new Deno.Command("top", { stdout: "piped" }).spawn();

async function reader() {
    const stream = process.stdout
        .pipeThrough(new TextDecoderStream())
    for await (const message of stream) {
        console.log(message);
    }
}

reader(); // not calling await so its "non blocking"

new Deno.Command("uptime")
        .output()
        .then((x) => new Response(x.stdout).text())
        .then(console.log);

new Deno.Command("uptime")
        .output()
        .then((x) => new Response(x.stdout).text())
        .then(console.log);