Splitting and Merging .dat Files about analysis-tools HOT 3 OPEN

import numpy as np
import os

input_directory = '/path/to/recording'
stream_name = "example_data"

input_file = os.path.join(input_directory, 'continuous', stream_name, 'continuous.dat')

num_channels = 16

data_flat = np.memmap(input_file, mode='r', dtype='int16')
data = np.reshape(data_flat, (data_flat.size // num_channels, num_channels))

block1size = 10000  # block size in samples
block2size = 5000   # block size in samples

output_file = '/path/to/output/continuous.dat'

f = open(output_file, "wb")

data[:block1size,:].tofile(f)
data[-block2size:,:].tofile(f)

f.close()

ts = np.load('timestamps.npy')
new_ts = np.concatenate((ts[:block1size], ts[-block2size:]))