How to Run Scripts (which contains several functions, each function has separate .m function script) from a GUI buttons

Hello,

I have A lot of data (in CSV) to process, generated from different kind of tests. Depending on the type of tests I have .m scripts for each. I want to build a GUI which can take values from GUI (Such as path of the file directory) and run those scripts of choice.

My problem is, those scripts contains calling function scripts. For example, I have a function script which convert csv files into .mat files (in the order of my preference after some calculation).

So if i want to give input to my scripts from the GUI, how should I write it?

Thank you in Advance.