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open - fs/promises - Node documentation
function open

Usage in Deno

import { open } from "node:fs/promises";
open(
path: PathLike,
flags?: string | number,
mode?: Mode,
): Promise<FileHandle>

Opens a FileHandle.

Refer to the POSIX open(2) documentation for more detail.

Some characters (< > : " / \ | ? *) are reserved under Windows as documented by Naming Files, Paths, and Namespaces. Under NTFS, if the filename contains a colon, Node.js will open a file system stream, as described by this MSDN page.

Parameters

path: PathLike
optional
flags: string | number = 'r'

See support of file system flags``.

optional
mode: Mode = 0o666

Sets the file mode (permission and sticky bits) if the file is created.

Return Type

Promise<FileHandle>

Fulfills with a {FileHandle} object.