--- a
+++ b/functions/adminfunc/pop_stdwarn.m
@@ -0,0 +1,50 @@
+% POP_STDWARN - check memory options and issue warning for studies.
+%
+% Usage: >> pop_stdwarn;
+%
+% Author: Arnaud Delorme, CERCO, 2007
+%
+% See also: EEG_OPTIONS
+
+% Copyright (C) Arnaud Delorme, CERCO, 2007, arno@salk.edu
+%
+% This file is part of EEGLAB, see http://www.eeglab.org
+% for the documentation and details.
+%
+% Redistribution and use in source and binary forms, with or without
+% modification, are permitted provided that the following conditions are met:
+%
+% 1. Redistributions of source code must retain the above copyright notice,
+% this list of conditions and the following disclaimer.
+%
+% 2. Redistributions in binary form must reproduce the above copyright notice,
+% this list of conditions and the following disclaimer in the documentation
+% and/or other materials provided with the distribution.
+%
+% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+% THE POSSIBILITY OF SUCH DAMAGE.
+
+res = 0;
+
+eeglab_options;
+if ~option_storedisk
+    vartext = strvcat('Your memory options currently allow to store all datasets in memory (RAM)!', ' ', ...
+                   'If your study contains a large number of datasets, you should change the memory', ...
+                   'settings to allow EEGLAB to only read the dataset header (cancel next action and', ...
+                   'use menu item "File > Preferences" - first checkbox to allow at most one dataset at a', ...
+                   'time in memory). Otherwise your computer might run out of memory.', ' ', ...
+                   'NOTE that this is a REQUIRED step to load the tutorial study since it does not', ...
+                   'contain the EEG data.', ' ');
+    
+    res = questdlg2(vartext, 'Study warning', 'Cancel', 'OK', 'OK');
+    if strcmpi(res, 'Cancel'),return; end
+end