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Files & data

Read and write files safely; parse JSON, CSV, and common text formats.

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Files & data easy

How to Split a Large File into Fixed-Size Parts in Python

Splits any binary or text file into multiple part files of a fixed byte size using Python's standard library.

file-splitting binary chunking
Python 
import os
import math

def split_file(filepath, chunk_size_bytes):
    """Split a file into parts of fixed size (bytes). Creates part files in same directory."""
    filepath = os.path.abspath(filepath)
    basename = os.path.basename(filepath)
    file_size = os.path.getsize(filepath)
    num_parts = math.ceil(file_s…
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