numpy.save

numpy.save(file, arr)

Save an array to a binary file in NumPy format.

Parameters:

f : file or string

File or filename to which the data is saved. If the filename does not already have a .npy extension, it is added.

x : array_like

Array data.

Examples

>>> from tempfile import TemporaryFile
>>> outfile = TemporaryFile()

>>> x = np.arange(10)
>>> np.save(outfile, x)

>>> outfile.seek(0)
>>> np.load(outfile)
array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])