#!/usr/bin/octave-cli --persist

filename = argv(){1};
col = eval(argv(){2});
mult = eval(argv(){3});

if length(col) == length(mult)
	figure
	hold all
	grid on
	cc = 'bkcgmry';
	for i = [1:length(col)]
		data.freq = load(filename)(:,col(i)).*mult(i);
		if nargin == 4
			if eval(argv(){4})(i) == 1
				printf(strcat(filename, ' col', num2str(col(i)), ' drift removed\n\n'))
				data.freq = detrend(data.freq);
			elseif eval(argv(){4})(i) == 2
				printf(strcat(filename, ' col', num2str(col(i)), ' relative ad : mean=', num2str(mean(data.freq)), '\n\n'))
                data.freq = data.freq./mean(data.freq);
            elseif eval(argv(){4})(i) == 3
                printf(strcat(filename, ' col', num2str(col(i)), ' drift removed relative ad\n\n'))
                data.freq = detrend(data.freq./mean(data.freq));
			end
		endif
		data.rate = 1;
		[ad, S, err, tau] = allan(data, 2.^[0:nextpow2(length(data.freq))-3]./data.rate, strcat(strsplit(filename, '/'){end}, num2str(i)), 0);
		loglogerr(tau, ad, err, strcat(cc(mod(i, length(cc))), '-s'))
		leg{i} = strcat(filename, ' col', num2str(col(i)));
		axis(10.^ceil(log10([tau(1), tau(end)])))
		hold on
	end
	legend(leg)
	input("Press to continue...");
end
exit