Removing white space from EEG alphanumeric event codes
In case your EEG system uses alphanumeric event codes, and white spaces in them are messing up your life, wspacekiller.m will remove any white space from your event codes (EEGLAB's EEG structure).
wspacekiller.m
—
Objective-C source code,
1Kb
File contents
% Remove white space from EEG alphanumeric event codes
%
% Usage
%
% EEG = wspacekiller(EEG)
%
% Input:
% EEG - continous dataset with alphanumeric event codes
%
% Output
% EEG - continous dataset with white-space characters removed from alphanumeric event codes
%
%
%
% Author: Javier Lopez-Calderon
% Center for Mind and Brain
% University of California, Davis,
% Davis, CA
% 2011
function EEG = wspacekiller(EEG)
if nargin<1
help wspacekiller
return
end
if isempty(EEG.data)
msgboxText = 'wspacekiller() cannot read an empty dataset!';
title = 'ERPLAB: wspacekiller() error';
errordlg(msgboxText,title);
return
end
nevent = length(EEG.event);
if nevent<1
msgboxText = 'Event codes were not found!';
title = 'ERPLAB: wspacekiller() error';
errordlg(msgboxText,title);
return
end
if ~ischar(EEG.event(1).type)
msgboxText = 'Event codes are numeric. So wspacekiller() was not applied.';
fprintf('\nNOTE: %s\n\n', msgboxText)
return
end
fprintf('wspacekiller() is cleaning white spaces from your alphanumeric event codes (if any)...\n');
for i=1:nevent
EEG.event(i).type = strrep(strtrim(EEG.event(i).type),' ','');
end
disp('COMPLETE!')
