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# brainstorm_reset

## (Toolbox/brainstorm_reset.m in BrainStorm 2.0 (Alpha))

### Function Synopsis

    brainstorm_reset;

### Help Text

    BRAINSTORM_RESET - Clear Matlab BrainStorm preferences, remove default data
     function brainstorm_reset;
     Command line to clear Preference 'BrainStorm' and clear the
      default database in the BrainStorm home directory.
     Does not delete other existing data.

### Cross-Reference Information

This function calls

    make_default_database              C:\BrainStorm_2001\Toolbox\make_default_database.m

### Listing of function C:\BrainStorm_2001\Toolbox\brainstorm_reset.m

    function brainstorm_reset;
    %BRAINSTORM_RESET - Clear Matlab BrainStorm preferences, remove default data
    % function brainstorm_reset;
    % Command line to clear Preference 'BrainStorm' and clear the
    %  default database in the BrainStorm home directory.
    % Does not delete other existing data.

    %<autobegin> ---------------------- 14-Jun-2004 17:09:50 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Utility - General
    %
    % Alphabetical list of external functions (non-Matlab):
    %   toolbox\make_default_database.m
    %
    % Group : Preference data and their calls in this file:
    %   BST_ROOT = getpref('BrainStorm','brainstormHomeDir');
    %   UserDB = getpref('BrainStorm','UserDataBase');
    %
    % At Check-in: $Author: Mosher $  $Revision: 14 $  $Date: 6/14/04 3:37p $
    %
    % This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 14-Jun-2004
    %
    % Principal Investigators and Developers:
    % ** Richard M. Leahy, PhD, Signal & Image Processing Institute,
    %    University of Southern California, Los Angeles, CA
    % ** John C. Mosher, PhD, Biophysics Group,
    %    Los Alamos National Laboratory, Los Alamos, NM
    % ** Sylvain Baillet, PhD, Cognitive Neuroscience & Brain Imaging Laboratory,
    %    CNRS, Hopital de la Salpetriere, Paris, France
    %
    % See BrainStorm website at http://neuroimage.usc.edu for further information.
    %
    % Copyright (c) 2004 BrainStorm by the University of Southern California
    % This software distributed  under the terms of the GNU General Public License
    % as published by the Free Software Foundation. Further details on the GPL
    % license can be found at http://www.gnu.org/copyleft/gpl.html .
    %
    % FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
    % UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
    % WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
    % MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
    % LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
    %<autoend> ------------------------ 14-Jun-2004 17:09:50 -----------------------

    % ------- History ---------------
    % JCM 20-Aug-2003 first build
    % JCM 11-Sep-2003 also removing default data sets
    % JCM 15-Nov-2003 try and catch error handling
    % -------------------------------

    yn = input('Removes your existing preferences and default data, continue (y/n): ','s');

    if ~strcmp(yn,'y'), % strict response of 'y'
       disp('No action taken');
       return
    end

    % assume yes from here

    if ~ispref('BrainStorm'),
       disp('No BrainStorm preference found in Matlab.');
       disp('Please manually remove default data from BrainStorm home directory,');
       disp(' then type ''startup'' from the BrainStorm directory.');
       return
    end

    try
       BST_ROOT = getpref('BrainStorm','brainstormHomeDir');
    catch
       BST_ROOT = fileparts(which('startup.m'));
    end

    UserDefault = make_default_database(0,1); % returns default names

    % get rid of the defaults

    if ispc,

       disp('Deleting your default databases . . .');

       try
          UserDB = getpref('BrainStorm','UserDataBase'); % the existing database
       catch
          disp('No BrainStorm database preference present');
          disp('Please manually remove default data from BrainStorm home directory,');
          disp([' ' UserDefault.SUBJECTS])
          disp('then type ''startup'' from the BrainStorm directory.');
          return
       end

       isValidDir = logical(ones(1,length(UserDB))); % initialize valid directories

       for i = 1:length(UserDB),

          if exist(UserDB(i).STUDIES,'dir'),
             cd(UserDB(i).STUDIES) % the root name
             try
                dos(sprintf('rmdir /s /q %s',UserDefault.StudyName));
             catch
             end
          else
             isValidDir(i) = logical(0);
          end

          if exist(UserDB(i).SUBJECTS,'dir'),
             cd(UserDB(i).SUBJECTS)
             try
                dos(sprintf('rmdir /s /q %s',UserDefault.SubjectName));
             catch
             end
          else
             isValidDir(i) = logical(0);
          end

       end

       cd(BST_ROOT);

       % now remove the default database
       try
          dos(sprintf('rmdir /s /q %s',UserDefault.STUDIES));
       catch
       end

       try
          dos(sprintf('rmdir /s /q %s',UserDefault.SUBJECTS)); % may be the same file, with inconsequential error msg
       catch
       end

    else

       % not pc
       disp('Please manually remove all default databases from your computer.');
       disp(sprintf('The BrainStorm default subject is in %s.',UserDefault.SUBJECTS));
       disp(sprintf('The default study is in %s.', UserDefault.STUDIES));
       disp('Remove any other copies of these files found in your other databases.')

    end

    close('all')
    close('all','hidden')% close all figures, windows
    clear all % clear all memory

    if(ispref('BrainStorm')),
       rmpref('BrainStorm');
       disp('Preference BrainStorm deleted.');
    end

    disp('Database deleted, Preferences purged. Type ''startup'' from the ')
    disp('BrainStorm home directory to reinitialize.');

Produced by color_mat2html, a customized BrainStorm 2.0 (Alpha) version of mat2html on Tue Nov 2 16:17:59 2004
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