Combine multiple pdfs, potentially with spaces in their name, using pdftk and xargs

combine-pdf.sh

#!/bin/bash
#
# Props to http://www.lornajane.net/posts/2011/combining-pdf-files-with-pdftk 
# found via http://stackoverflow.com/questions/19122448/bash-escaping-spaces-in-filename-in-variable#comment42365877_19122448
#
# here the sort is used because the pdfs are named something like page 01.pdf page 02.pdf and the -z means the whitespace
# doesn't cause any issues

find ./somepath -name "*.pdf" -print0 | sort -z | xargs -0 -J % pdftk % cat output out.pdf