extract+pages+from+pdf+with+pdftk

use the "catenate" command

examples pdftk foo.pdf cat 2-3 output abstract.pdf dont_ask pdftk foo.pdf cat 30-end output biography.pdf dont_ask -http://magic.aladdin.cs.cmu.edu/2005/07/02/splitting-and-joining-pdfs-by-pdftk/