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# load_brainstorm_file

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

### Function Synopsis

    load_result = load_brainstorm_file(Filename);

### Help Text

    LOAD_BRAINSTORM_FILE - load or try to find and load the BrainStorm file.
     function load_result = load_brainstorm_file(Filename);
     If the Filename does not exist, break into parts and try to find it in the structure
     Returns the result identical to Matlab load command: load_result = load(Filename);

### Cross-Reference Information

This function calls

    find_brainstorm_files              C:\BrainStorm_2001\Toolbox\find_brainstorm_files.m
    get_user_directory                 C:\BrainStorm_2001\Toolbox\get_user_directory.m

This function is called by

    bst_sourceimaging                  C:\BrainStorm_2001\Toolbox\bst_sourceimaging.m
    data_selector_cb                   C:\BrainStorm_2001\Toolbox\data_selector_cb.m
    dataplot_cb                        C:\BrainStorm_2001\Toolbox\dataplot_cb.m
    find_brainstorm_structure          C:\BrainStorm_2001\Toolbox\find_brainstorm_structure.m
    least_squares_fit                  C:\BrainStorm_2001\Toolbox\least_squares_fit.m
    parametric_estimation              C:\BrainStorm_2001\Toolbox\parametric_estimation.m
    rapmusic_gui                       C:\BrainStorm_2001\Toolbox\rapmusic_gui.m
    sourceimaging                      C:\BrainStorm_2001\Toolbox\sourceimaging.m

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

    function load_result = load_brainstorm_file(Filename);
    %LOAD_BRAINSTORM_FILE - load or try to find and load the BrainStorm file.
    % function load_result = load_brainstorm_file(Filename);
    % If the Filename does not exist, break into parts and try to find it in the structure
    % Returns the result identical to Matlab load command: load_result = load(Filename);

    %<autobegin> ---------------------- 26-May-2004 11:30:49 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Database Management
    %
    % Alphabetical list of external functions (non-Matlab):
    %   toolbox\find_brainstorm_files.m
    %   toolbox\get_user_directory.m
    %
    % At Check-in: $Author: Mosher $  $Revision: 13 $  $Date: 5/26/04 9:59a $
    %
    % This software is part of BrainStorm Toolbox Version 2.0 (Alpha) 24-May-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> ------------------------ 26-May-2004 11:30:49 -----------------------

    % History ---------------------------------------------
    % Oct 26,1999     initial version
    % 11/6/99         altered to handle referential names
    % 06/27/00        UNIX/PCWIN portability
    % JCM 10-Sep-2003 Commenting
    % -----------------------------------------------------

    switch computer
    case 'PCWIN'
       Filename = strrep(Filename,'/','\');
    otherwise
       Filename = strrep(Filename,'\','/');
    end

    % try a fully qualified name first
    if(exist(Filename,'file')==2), % works as is, load it
       load_result = load(Filename);
       return
    end

    % try prefix of the user's search paths
    User = get_user_directory; % get defaults

    QualName = fullfile(User.STUDIES,Filename); % fully qualified
    if(exist(QualName,'file')==2),
       load_result = load(QualName);
       return
    end

    % that didn't work either, repeat using the Subjects name
    QualName = fullfile(User.SUBJECTS,Filename); % fully qualified
    if(exist(QualName,'file')==2),
       load_result = load(QualName);
       return
    end

    % It doesn't exist as given, try to locate. Usually the user has altered his tree.

    [path,name,ext,ver] = fileparts(Filename); % get the filename part
    [DataFiles,ignore,Leader] = find_brainstorm_files(name); % find any file in the path with that name

    if(~isempty(DataFiles)),
       load_result = load(fullfile(Leader,DataFiles{1})); % load only the first results of a find
       msgbox(sprintf(['Could not find your file "%s", but the file "%s" was ' ...
             'automatically detected and loaded instead. Suggest you ' ...
             'use Study/Subject editor to correct the file name'],...
          Filename,fullfile(Leader,DataFiles{1})),...
          'BrainStorm Notice','non-modal');

    else % it is empty, no such filename in the search tree
       % not okay, aborted
       % inelegant error handling
       load_result = [];
       msgbox(sprintf(['Could not find your file "%s"'],...
          Filename),...
          'BrainStorm Error','modal');
    end

    return

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