You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: testPreloadData.m
    path of file: ./repos/Image-Harmonization-Dataset-iHarmony4/Lalonde and Efros/colorStatistics/mycode
    
    the code of the file until where you have to start completion: function testPreloadData 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2006-2007 Jean-Francois Lalonde
% Carnegie Mellon University

    
function testPreloadData 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright 2006-2007 Jean-Francois Lalonde
% Carnegie Mellon University
% Do not distribute
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

inputDir = '/nfs/hn01/jlalonde/results/colorStatistics/trainingData/colorStatistics/lab/1stOrder/';

% Read all .mat files
files = dir(fullfile(inputDir, '*.mat'));

% Load all .mat files
for i=1:length(files)
    load(fullfile(inputDir, files(i).name));
    trainingData.data(i).hist = hist1stOrder;
    trainingData.data(i).name = files(i).name;
end