private static void readDataFile(String fname) {
		Scanner inFile;
		File readIn=new File(fname);
		try {
			inFile = new Scanner(readIn);	
			int i=0;
			while(inFile.hasNextLine()){
				inFile.nextLine();
				i++;//just counting number of lines in file
			}
			sequences=new String[i];
			i=0;
			inFile.close();
			inFile = new Scanner(readIn);	
			while(inFile.hasNextLine()){
				sequences[i]=inFile.nextLine();
			
				i++;
			}
			inFile.close();
		} catch (FileNotFoundException e) {
			System.err.println("E:File not found. Exiting...");
			System.exit(1);
		}
		
	}