public static void exec(String[] urls, int k, int b, String func, double threshold) {
    	System.out.println("----------------------------------------------------------------");
        System.out.println(System.lineSeparator() + "Looking for similar files between");
        for(String s: urls)
        	System.out.println("	" + s);
    	System.out.println("With parameters");
    	System.out.println("	b = " + b);
    	System.out.println("	k = " + k);
    	System.out.println("	threshold = " + threshold + System.lineSeparator());
    	
    	Similarities sim = new Similarities(urls, k, b, HashFunction.getHashFunction(func));
    	sim.similarFiles(threshold);
    }