Merge pdf files

gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=bla.pdf -f foo1.pdf foo2.pdf more info on Pegaso Docs at: http://lira.epac.to:8080/doc/debian-reference-common/html/ch11.en.html#_merge_two_ps_or_pdf_files