How do I read the last document from a directory

I´ll explain my question:

I have a directory in which new results are posted as new documents everyday and Matlab does a process with the newest to give a results file. How can I set an .m file to choose the newest file everytime?

Answer 1

[Azzi Abdelmalek]

d=dir('*.mat');   % if you need mat files
dates={d.date};
files={d.files};
[~,idx]=sort(datenum(dates));
new_file=files{idx(end)}

Answer 2

[Bernardo]

Thnx!!