# FileLineCount (String filePath)

| **Name**    | ***FileLineCount***                                 |
| ----------- | --------------------------------------------------- |
| Syntax      | FileLineCount (String filePath)                     |
| Purpose     | To return the number of lines in a file.            |
| Description | Returns the number of lines in a specified file.    |
| Return Type | Int64                                               |
| Parameter   | filePath \[System.String] – Path of the source file |

![](https://content.gitbook.com/content/zEifS4h8yurLAAwiGNX2/blobs/TTigucukDqhLX47OI44t/0.png)

**Example**

In this example, we are passing the required parameters to the function transformation object using a *Variables* object.

Where,

*filePath* = *C:\Users\Kanwal.Azim\OneDrive - Astera Software\Desktop\Documentation Projects\Functions Documentation\Files\FileLineCount\Test.txt*

![](https://content.gitbook.com/content/zEifS4h8yurLAAwiGNX2/blobs/4ffRcALyzLXcBKm2DTl7/1.png)

Right-click on the function transformation object and select *Preview Output.* You can see that Astera Data Stack has returned the number of lines in the specified file, as evident below:

![](https://content.gitbook.com/content/zEifS4h8yurLAAwiGNX2/blobs/P4ahIFd89A4h7e30dFFa/2.png)

![](https://content.gitbook.com/content/zEifS4h8yurLAAwiGNX2/blobs/ztjh3j061RjPcpI3m3pE/3.png)