It's a Matlab issue, all I did was just try to access thepackage called GridBuilder.And this is the Matlab error I receivewhen trying to use the GridBuilder package. (I downloaded it fromhere: austides website/downloads/)

Error:
>>GridBuilder
Error using fread
Invalid file identifier. Use fopen to generate a valid fileidentifier
Error in setGuiInitial (line 234)
GSHHS.(res{i}) .bin=unit8(fread(fid,'unit8'));
Error in (line 11)
setGuiInitial(handles);
Error in GridBuilder>GridBuilder_openingFcn (line 92)
GridBuilderCallbacks('initialize',eventdata,handles);
Error in gui_mainfcn (line 220)
Feval(gui_state.gui_OpeningFcn, gui_hFigure, [ ],guidata(gui_hFigure), Varargin{ : });
Error in GridBuilder (line 42)
gui_mainfunc(gui_state, Varargin{ : });

i can't post link here so i have removed .com