import { Deno } from "https://deno.land/x/deno@v0.28.0/cli/js/lib.deno_runtime.d.ts";
const { writeFileSync } = Deno;
Write a new file, with given filename and data synchronously.
const encoder = new TextEncoder();
const data = encoder.encode("Hello world\n");
Deno.writeFileSync("hello.txt", data);