function copy_exe(varargin)
%COPY_EXE    Copy executables.
%
%   COPY_EXE(OPTION) with OPTION:
%   - N2B: copies standard executables to backup executables
%   - FIELD: copies standard executables to demo FIELD executables with
%           FIELD either TUE_field or Demofield
%   - B2N: copies backup executables to standard executables

if ~nargin,
    error('Wrong syntax for the input!')
end

copy_motion_exe(varargin{1});
copy_strategy_exe(varargin{1});
copy_vision_exe(varargin{1});
copy_worldmodel_exe(varargin{1});