import { Deno } from "https://deno.land/x/ayonli_jsext@v0.9.72/lib.deno.d.ts";
const { FsFile } = Deno;
Write the contents of the array buffer (p) to the file.
Resolves to the number of bytes written.
It is not guaranteed that the full buffer will be written in a single call.
const encoder = new TextEncoder();
const data = encoder.encode("Hello world");
using file = await Deno.open("/foo/bar.txt", { write: true });
const bytesWritten = await file.write(data); // 11