merge-pdf

#!/usr/bin/env python3
import subprocess
import sys


def print_help():
    print("""
Merges mutliple PDF files into a single file.

### Usage

1. Ensure that you have `pip` installed.
2. Run the script with the files to be merged as arguments.
```
$ ./merge-pdf file1.pdf file2.pdf
```
3. The merged file is saved as `merged.pdf`.
    """)


print("Installing requirements...")
subprocess.check_call([sys.executable, "-m", "pip", "install", "PyPDF2"])

from PyPDF2 import PdfFileMerger

try:
    if len(sys.argv) < 2:
        print_help()
    else:
        # PDF files to be merged
        selected_files = sys.argv[1:]

        if selected_files == "":
            print("\nError: No file selected!")
        elif len(selected_files) == 1:
            print("\nError: Only one file selected!")
        else:
            print("\nFiles to be merged:")
            for f in selected_files:
                print(f)

            merger = PdfFileMerger()
            for filename in selected_files:
                merger.append(filename)

            # save merged PDF
            merger.write(open("merged.pdf", 'wb'))
            print("\nPDF merge complete! Saved as: merged.pdf\n")

except Exception as e:
    print(f"\nError: File could not be processed!\n{filename}")
    print(e)