public static void exec(String path, String hashFunc, int b) {
    	System.out.println("----------------------------------------------------------------");
    	System.out.println("Estimating the number of distincts words in file");
    	System.out.println("	" + path);
    	System.out.println("With parameters :");
    	System.out.println("	b = " + b);
    	System.out.println("Result is :");
    	System.out.println("	 " + Math.round(
    			hyperLogLog(path, HashFunction.getHashFunction(hashFunc), b, 1)));
    	System.out.println("----------------------------------------------------------------");
    	
    }