# Get the PDF path from the command-line arguments
pdf_path = sys.argv[1]

# Extract abstract from the PDF
abstract = extract_abstract(pdf_path)

# if abstract exists on first page, print summary.
if abstract:
    # Summarize and generate keywords
    summary = summarize_and_generate_keywords(abstract)

    print(summary)
else:
    print("Abstract not found on the first page.")