import re, os

outdir = r'e:/Project/SI/2026_DesignAI/officefile/latex/chapters'
total = 0

for fname in sorted(os.listdir(outdir)):
    if fname == 'ch13-conclusion.tex' or not fname.endswith('.tex'):
        continue
    fpath = os.path.join(outdir, fname)
    with open(fpath, 'r', encoding='utf-8') as f:
        content = f.read()

    for cmd in ['section', 'subsection', 'subsubsection']:
        pattern = re.compile(r'\\' + cmd + r'\{(\d+\.[^}]+)\}')
        matches = pattern.findall(content)
        for m in matches[:3]:
            head = m[:60]
            print(f'  \\{cmd}{{{head}}}')
        if len(matches) > 3:
            print(f'  ... and {len(matches)-3} more \\{cmd} with numbers')
        total += len(matches)

print(f'\nTotal headings with numeric prefix: {total}')