copy

function

async function copy(src: Reader, dst: Writer, options?: { bufSize?: number }): Promise<number>

Copies from src to dst until either EOF (null) is read from src or an error occurs. It resolves to the number of bytes copied or rejects with the first error encountered while copying.

src: Reader

The source to copy from

dst: Writer

The destination to copy to

options?: { bufSize?: number }

Can be used to tune size of the buffer. Default size is 32kB

Returns

Number of bytes copied

import { copy } from "@ende/io/copy";

const source = await Ende.open("my_file.txt");
const bytesCopied1 = await copy(source, Ende.stdout);
const destination = await Ende.create("my_file_2.txt");
const bytesCopied2 = await copy(source, destination);