Daniel@0: function addtosystempath(p)
Daniel@0: % Add p to the system path. If p is already on the path, this does nothing.  
Daniel@0: % Note, this change only persists for the duration of the Matlab session.
Daniel@0: % Do not include path delimiters like ; or : .
Daniel@0: % Example:
Daniel@0: % addtosystempath('C:\Users\matt\bin');
Daniel@0:     
Daniel@0:     if isempty(getenv('PATH')) || all(cellfun(@(c)isempty(c),strfind(tokenize(getenv('PATH'),pathsep()),p)));
Daniel@0:         setenv('PATH', [p, pathsep(), getenv('PATH'),]);
Daniel@0:     end
Daniel@0:     
Daniel@0: end