function iterateReaderimport { iterateReader } from "https://dotland.deno.dev/std@0.221.0/io/iterate_reader.ts"; iterateReader(reader: Reader, options?: { bufSize?: number; }): AsyncIterableIterator<Uint8Array>Turns a Reader into an async iterator. ExamplesExample 1 import { iterateReader } from "https://deno.land/std@0.221.0/io/iterate_reader.ts"; using file = await Deno.open("/etc/passwd"); for await (const chunk of iterateReader(file)) { console.log(chunk); } Second argument can be used to tune size of a buffer. Default size of the buffer is 32kB. Example 2 import { iterateReader } from "https://deno.land/std@0.221.0/io/iterate_reader.ts"; using file = await Deno.open("/etc/passwd"); const iter = iterateReader(file, { bufSize: 1024 * 1024 }); for await (const chunk of iter) { console.log(chunk); } Parametersreader: Readeroptionaloptions: { bufSize?: number; }ReturnsAsyncIterableIterator<Uint8Array>