How to calculate the number of sub files？

What function is used to import the path file? Is ‘dir’ ?the total number of displays is 0,i think the function is wrong.

A=dir([...........]);

N=length(A);????

[Voss]

What are you trying to do?

Answer 1

[Zahrah Walid]

You can use:

fds = fileDatastore("folder/file path", 'ReadFcn', @load); %you can use (fullfile) function to enter the file path 
N = length(fds.Files);