Example
In this example, we are passing the required parameter to the function transformation object using a Variables object. We will be checking for an existing file.
Where,
filePath = C:\Users\Kanwal.Azim\OneDrive - Astera Software\Desktop\Functions Documentation\Files\File Exists\FileExists.docx
Right-click on the function transformation object and select Preview Output. As you can see, Astera Data Stack has returned the Boolean value “True”, as this file does exist.
Name
FileExists
Syntax
FileExists (String filePath)
Purpose
To check and return either ‘True’ or ‘False’ depending on whether a specified file exists.
Description
Checks whether a file exists.
Return Type
Boolean
Parameter
filePath [System.String] – Path of the file to check.