In order to combine several PDF files (eg scanned pages) into one PDF, the following works

gs -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=output.pdf input1.pdf ... inputN.pdf

and the argument

-dPDFSETTINGS=/ebook

can be used to reduce the quality. In order from least good to best

  • screen
  • ebook
  • printer
  • prepress

On second thought, it is probably better to use pdftk.

pdftk input1.pdf input2.pdf ... cat output combined.pdf

Which is perhaps a simpler solution.

Comment by Walter Wed Jul 11 08:39:21 2012
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