samer@4: % music_files - search for audio files under music directory
samer@4: %
samer@4: % music_files :: 
samer@4: %    string ~'Path based at ~/Music'
samer@4: %    options {
samer@4: %       pattern :: string/'*' ~'filename matching patter';
samer@4: %       rec     :: bool/0     ~'recurse into subdirs?'
samer@4: %    }
samer@4: % -> cells {string}.
samer@4: %
samer@4: % This function assumes that the HOME environment variable points to the
samer@4: % user's home directory and that there exists there a directory called 'Music'.
samer@4: 
samer@4: function L=music_files(d,varargin)
samer@4: 	L=listfiles([getenv('HOME'),filesep,'Music',filesep,d],'regexp','.*\.(mp3|ogg|m4a|wav|au|flac)',varargin{:});