IS_EXE is file executable

does not check if the file is actually a binary executable

Contents

inputs
Outputs

inputs

file: path to check

Outputs

ok: true if path is a file and has executable permissions

this method is like 40x faster than native.

function y = is_exe(file)

y = false;

if ispc() && ~has_windows_executable_suffix(file)
  return
end

a = file_attributes(file);

if ~isempty(a)
  y = ~a.directory && (a.UserExecute || a.GroupExecute || a.OtherExecute);
end

end

%!test
%! if isunix()
%! assert(stdlib.is_exe([matlabroot, '/bin/octave']))
%! end
%!assert (~stdlib.is_exe('.'))