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# save_fieldnames

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

### Function Synopsis

    save_fieldnames(A,fname,append);

### Help Text

    SAVE_FIELDNAMES - Save just the fieldnames of a structure to a mat-file
     function save_fieldnames(A,fname,append);
     The individual fields within A are saved to fname, such that
     A = load(fname) reverts back to the original structure
     when append is '-append', ie the optional string of the Matlab SAVE command,
     fields of A are appended to existing fname

### Cross-Reference Information

This function is called by

    bst_headmodeler                    C:\BrainStorm_2001\Toolbox\bst_headmodeler.m
    bst_mriviewer                      C:\BrainStorm_2001\Toolbox\bst_mriviewer.m
    bst_sourceimaging                  C:\BrainStorm_2001\Toolbox\bst_sourceimaging.m
    data_manager                       C:\BrainStorm_2001\Toolbox\data_manager.m
    dataplot_cb                        C:\BrainStorm_2001\Toolbox\dataplot_cb.m
    eeg2bs                             C:\BrainStorm_2001\Toolbox\eeg2bs.m
    importdata                         C:\BrainStorm_2001\Toolbox\importdata.m
    montreal_data_create               C:\BrainStorm_2001\Toolbox\montreal_data_create.m
    parametric_estimation              C:\BrainStorm_2001\Toolbox\parametric_estimation.m
    rap_music_parameters               C:\BrainStorm_2001\Toolbox\rap_music_parameters.m
    rapmusic_gui                       C:\BrainStorm_2001\Toolbox\rapmusic_gui.m
    simulator                          C:\BrainStorm_2001\Toolbox\simulator.m
    simulator_mri                      C:\BrainStorm_2001\Toolbox\simulator_mri.m
    study_editor                       C:\BrainStorm_2001\Toolbox\study_editor.m
    warp_everything_bst                C:\BrainStorm_2001\Toolbox\warp_everything_bst.m
    zscore_gui                         C:\BrainStorm_2001\Toolbox\zscore_gui.m

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

    function save_fieldnames(A,fname,append);
    %SAVE_FIELDNAMES - Save just the fieldnames of a structure to a mat-file
    % function save_fieldnames(A,fname,append);
    % The individual fields within A are saved to fname, such that
    % A = load(fname) reverts back to the original structure
    % when append is '-append', ie the optional string of the Matlab SAVE command,
    % fields of A are appended to existing fname

    %<autobegin> ---------------------- 26-May-2004 11:34:18 -----------------------
    % --------- Automatically Generated Comments Block Using AUTO_COMMENTS ---------
    %
    % CATEGORY: Utility - General
    %
    % At Check-in: $Author: Mosher $  $Revision: 14 $  $Date: 5/26/04 10:02a $
    %
    % 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 11:34:18 -----------------------

    % ----------------------------- Script History ---------------------------------
    % John C. Mosher, Ph.D.
    % SB 01-Aug-2002 : Added optional 'append' argument
    % 19-May-2004 JCM Comments Cleaning
    % ----------------------------- Script History ---------------------------------

    NAMES = fieldnames(A); % the fieldnames
    % extract each fieldname into the workspace
    for i = 1:length(NAMES),
       eval(sprintf('%s = getfield(A,''%s'');',NAMES{i},NAMES{i}));
    end

    if nargin == 2
        save(fname,NAMES{:}) % save the fields to the file
    elseif nargin == 3  & strcmp(lower(append),'-append') % Append variable(s)
        save(fname,NAMES{:},'append') % save the fields to the file
    end

    return

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