Tip: concatenating PDF files with Ghostscript

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A small tip mostly used as a reminder to myself. Ghostscript can be used to concatenate PDF files the following way.

gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH \
        -sOutputFile=output.pdf \
        input1.pdf \
        input2.pdf \
  • The sDEVICE option tells gs to generate a PDF instead of sending the output to the printer.

  • The dNOPAUSE and dBATCH options tell gs to be noninteractive.

  • The sOutputFile option does the obvious.

  • The positional arguments are the input files.

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