christopherh@1: %
christopherh@1: %LABWRITE write a labfile to disk
christopherh@1: %
christopherh@1: % labwrite(times1, times2, labels, labfile, {protect})
christopherh@1: %
christopherh@1: % Write time indices and labels to a wavesurfer .lab transcription file
christopherh@1: % with file name labfile.
christopherh@1: %  
christopherh@1: % If optional argument 'protect' is 1 then if a lab file of the given name 
christopherh@1: % already exists it will be copied to a backup file with extension '.labx' 
christopherh@1: % before writing new data to the lab file   
christopherh@1: %
christopherh@1: % See also labread, mlf2lab, checklabsyntax.
christopherh@1: %
christopherh@1: % Author: Christopher Harte, March 2009
christopherh@1: % 
christopherh@1: % Copyright: Centre for Digital Music, Queen Mary University of London 2005 
christopherh@1: %
christopherh@1: % This file is part of the C4DM Chord Toolkit V2.0  
christopherh@1: %
christopherh@1: % The C4DM Chord Toolkit is free software; you can redistribute it and/or 
christopherh@1: % modify it under the terms of the GNU General Public License as published 
christopherh@1: % by the Free Software Foundation; either version 2 of the License, or
christopherh@1: % (at your option) any later version.
christopherh@1: %
christopherh@1: % The C4DM Chord Toolkit is distributed in the hope that it will be useful,
christopherh@1: % but WITHOUT ANY WARRANTY; without even the implied warranty of
christopherh@1: % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
christopherh@1: % GNU General Public License for more details.
christopherh@1: %
christopherh@1: % You should have received a copy of the GNU General Public License
christopherh@1: % along with the C4DM Toolkit; if not, write to the Free Software
christopherh@1: % Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
christopherh@1: %
christopherh@1: 		
christopherh@1: function labwrite(times1, times2, labels, labfile, protect)
christopherh@1: 
christopherh@1: if nargin<5
christopherh@1:     protect = 0;
christopherh@1: end
christopherh@1: 
christopherh@1: if (protect == 1)
christopherh@1:    check = copyfile(labfile, [labfile 'x']);
christopherh@1: end
christopherh@1: 
christopherh@1: fid = fopen(labfile, 'w');
christopherh@1: 
christopherh@1: for i = 1:length(times1)
christopherh@1:     
christopherh@1:     outtext = ['%f %f ' char(labels(i)) '\n'];
christopherh@1:     
christopherh@1:     fprintf(fid, outtext, times1(i), times2(i));
christopherh@1:     
christopherh@1: end
christopherh@1: 
christopherh@1: fclose(fid);
christopherh@1: 
christopherh@1: