How to remove numbers at the end of file names?

We are talking about the case when, instead of the usual name of the file with the generated article:

A random number appears at the end of the file name:

This happens if in the input settings, on the “Output Data” tab, the “Save…” option is set to “Each request in a separate file.” In this case, for example, in the parameter “All executions with one request - in one file,” numbers are not added.

This is due to the fact that there cannot be two files with the same name in the same folder. Therefore, in order for each request to actually be in a separate file, you need to somehow change the file name. This is why numbers are added.