File and folder names in a given directory

Simple function to get the file and folder names within a directory, with options for basic filtering and string removal

% fnames - gets the file and folder names within a directory

%

% Inputs:

% directory - directory containing the files/folders

% -name-value arguments-

% 'contains' - (optional) string to filter the file names

% 'erase' - (optional) string to erase from the file names

%

% Outputs (in order):

% files - names of the file/s

% folders - names of the folder/s