Deprecated
This will be removed in Deno 2.0. See the Deno 1.x to 2.x Migration Guide for migration instructions.
Returns a Deno.FileInfo for the given file stream.
import { assert } from "jsr:@std/assert";
const file = await Deno.open("file.txt", { read: true });
const fileInfo = await Deno.fstat(file.rid);
assert(fileInfo.isFile);