# FileExtension - Script function

The FileExtension function returns a string containing the extension of the table file currently being read.

Syntax:

FileExtension()

[](https://help.qlik.com/en-US/sense/Subsystems/Hub/Content/Sense_Hub/Scripting/FileFunctions/FileExtension.htm)

#### Examples and results:

Scripting examples

| Example | Result |
| --- | --- |
| `LOAD  *, FileExtension(<br>) as X from`<br>`C:\UserFiles\abc.txt` | Will return<br>'txt' in field X in each record read. |