---
name: "Binary.readBlock"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Binary.readBlock"
---

# Binary.readBlock(3kaya)

Read a block from a file.

## NAME

Binary::readBlock - Read a block from a file.

## SYNOPSIS

**Binary readBlock(** *File h, Int bsize* **)**

## ARGUMENTS

**h** A file handle to read from

**bsize** The maximum number of bytes to read

## DESCRIPTION

Creates a block of size *bsize* and reads data into it. If there is less data to read than *bsize* , the block will contain as much data as could be read, and the **Binary.blockSize (3kaya)** function will return the size of the data that was read. Naturally, the file handle must be valid and readable.

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.

## RELATED

**Binary.Binary (3kaya)**

**IO(3kaya)**

**Binary.writeBlock (3kaya)**