readSync - fs - Node

function readSync

Usage in Deno

import { readSync } from "node:fs";



readSync(fd: number,
buffer: ArrayBufferView,
offset: number,
length: number,
position: ReadPosition | null,
): number

Returns the number of bytesRead.

For detailed information, see the documentation of the asynchronous version of this API: read.

Parameters



fd: number



buffer: ArrayBufferView



offset: number



length: number

optional



position: ReadPosition | null = 'null'

Return Type

number



readSync(fd: number,
buffer: ArrayBufferView,
opts?: ReadSyncOptions,
): number

Similar to the above fs.readSync function, this version takes an optional options object. If no options object is specified, it will default with the above values.

Parameters



fd: number



buffer: ArrayBufferView

optional



opts: ReadSyncOptions

Return Type

number