function action(input, filename) { 
	open(input + filename);
	run("Split Channels");
	selectWindow(File.nameWithoutExtension + ".tif " + "(blue)");
	rename(File.nameWithoutExtension + "_Blue");
	setAutoThreshold("Huang");
	selectWindow(File.nameWithoutExtension + ".tif " + "(green)");
	rename(File.nameWithoutExtension + "_Green");
	setAutoThreshold("Huang");
	selectWindow(File.nameWithoutExtension + ".tif " + "(red)");
	rename(File.nameWithoutExtension + "_Red");
	//run("Threshold...");
	setAutoThreshold("Huang");
	run("Set Measurements...", "area mean standard modal min fit integrated area_fraction limit display redirect=None decimal=3");
	selectWindow(File.nameWithoutExtension + "_Blue");
	run("Measure");
	selectWindow(File.nameWithoutExtension + "_Green");
	run("Measure");
	selectWindow(File.nameWithoutExtension + "_Red");
	run("Measure");
	close("*");
}

input = "/Users/jonah/Downloads/Photos/Viability_preTZ/";

setBatchMode(true); 
list = getFileList(input);
for (i = 0; i < list.length; i++){
        action(input, list[i]);
}
setBatchMode(false);

selectWindow("Results");
saveAs("Results", File.directory + "/" + "Viability_Results.csv");