import sys
import os
import glob
import re
import numpy as np
#
#Find all the names
files = glob.glob('*.dat')
num_random = len(files)
random_array = np.zeros((num_random)) 
for i in range(num_random):
	random_array[i] = np.int(re.findall('\d+',files[i])[-1])
np.savetxt('random_array.txt', random_array, fmt='%i')