intialcheck

function [data,flag] = intialcheck
%This function is used to the initial validation to check whether any color
%solution is made in data directory. If not then tell the user to make the
%color solution first

try
    val = dir([pwd '\data\*.mat']); %all color data files name in directory data stored in val
    val1 = {val.name}; % stored all color name in cell format
    str = [pwd '\data\']; % pathname
    
    if size(val1,2) ~= 0 %if mat files are present then proceed
        for i = 1:size(val1,2) % load and store all color data under single data file
            data(i) = load([str val1{i}]);
        end
        flag = 'good';
    else
        data = [];
        flag = 'bad';
    end
    
catch
    data = [];
    flag = 'bad';
end