write arrays of numeric values to binary files

text2binary

#!/usr/bin/env python

'''
@ref http://goo.gl/HgkAaG
@author Farsheed Ashouri
@usage: Give a folder of text files that contain 2d array of data:

5252,3434
4565,32123
...

'''
import array
import glob
import os


def convert_to_binary(folder):
    '''
        more info:
            @ref: http://docs.python.org/2/library/array.html
    '''
    files = glob.glob(folder+os.path.sep+'*.lst')
    for each in files:
        f = open(each, 'r')
        o = open(each+'.bin', 'wa')
        for line in f.readlines():
            x,y = line.split(',')
            data = array.array('i', [int(x),int(y)])
            data.tofile(o)


if __name__ == '__main__':
    folder = 'data/tests'
    convert_to_binary(folder)