import sys
import struct
import numpy as np

tckFile = open("./5M1-2_filtered.tck", 'rb')
# outfile = open(sys.argv[2], 'w')

for i in range(10):
    d = tckFile.readline()
    print(d)
    print(d.isdigit())
#     print(d.isnumeric())

# read the tractography data

tckFile.seek(632, 0)
# track = tckFile.read()
ary = np.fromfile(tckFile, np.float32, -1)