Create a cell array of new tracker structures from identifiers or file lists of identifiers.
This functions checks each argument if it is a valid file and openes it as a text file of comma and new line separated tracker identifiers. If an argument is not a file then it is considered an identifier.
trackers = tracker_list('trackers.txt', 'NCC'); % Load tracker identifiers from file trackers.txt and add a tracker NCC
valid_identifierfor more details.