pdfunite

• Description: A utility to manipulate PDF files.

• Example usage:

    pdfunite file1.pdf file2.pdf file3.pdf output.pdf # Merges file1.pdf, file2.pdf, and file3.pdf into output.pdf

    pdfunite *.pdf output.pdf # Merges all PDFs from current directory into a single output.pdf

    pdfunite output.pdf 3-1 output_rearranged.pdf # Reorders pages in 'output.pdf' (e.g., from 3-1) and saves as 'output_rearranged.pdf'

---