pdfunite

PDF merging utility. More information: https://github.com/mtgrosser/pdfunite.

• Merge 2 PDFs into a single PDF:

pdfunite {{path/to/fileA.pdf}} {{path/to/fileB.pdf}} {{path/to/merged_output.pdf}}

• Merge a directory of PDFs into a single PDF:

pdfunite {{path/to/directory/*.pdf}} {{path/to/merged_output.pdf}}