matlab code to extract samples from EEG CAP sleep data from physio net

I need help to write one mat lab script to extract all needed events ( MCAP) from EEG CAP sleep data from physio net so the process has to be done automatically to use all CAP events in the data for later

[Walter Roberson]

Duplicated by later https://www.mathworks.com/matlabcentral/answers/458881-extract-data-from-eeg-text-file