Quick n Dirty Split to Markdown for AnyBox Copy

splitter.py

import sys
import os
import re

def sanitize_filename(name):
    # Keep letters, numbers, spaces, and hyphens
    sanitized = re.sub(r'[^a-zA-Z0-9 \-]', '', name)
    sanitized = sanitized.strip() # .replace(' ', '_')  # Optional: replace spaces with underscores
    return sanitized

def split_file(input_file):
    if not os.path.isfile(input_file):
        print(f"File not found: {input_file}")
        return

    with open(input_file, 'r', encoding='utf-8') as f:
        content = f.read()

    chunks = content.split('THISISASPLIT')
    for chunk in chunks:
        lines = [line for line in chunk.strip().splitlines() if line.strip()]
        if not lines:
            continue

        first_line = lines[0]
        filename_base = sanitize_filename(first_line)
        if not filename_base:
            print("Skipping chunk due to invalid filename.")
            continue

        new_filename = f"{filename_base}.md"
        body = "\n".join(lines[1:])

        with open(new_filename, 'w', encoding='utf-8') as out_file:
            out_file.write(body)
        print(f"Written: {new_filename}")

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("Usage: python split_chunks.py <inputfile>")
    else:
        split_file(sys.argv[1])