- TIBCO BusinessEvents®
- Standard
- File

# File.fileLength()

## Signature

`long fileLength (Object writerReader)`

## Domain

ACTION

## Description

Returns the length of the specified file (in bytes).

## Parameters

Name | Type | Description
--- | --- | ---
`writerReader` | `Object` | The file whose current length is of interest.

## Returns

Type | Description
--- | ---
`long` | Returns the length of the specified file (in bytes).

## Cautions

none