Don't worry! It's only stuff...

#!/bin/bash
 
# check parameter
if [ $# -lt 1 ]; then
	echo "USAGE: $0 LIST_NO"
	exit
else
	LISTID=$1
fi
 
 
function create_pdfmark() {
cat <<EOF> /tmp/pdfmarks
[ /Author (panticz.de)
/Creator (panticz.de)
/Producer (panticz.de)
/Keywords ($1, panticz.de)
/Title (panticz.de ${LISTID} - $1)
/Subject (panticz.de ${LISTID})
/DOCINFO pdfmark
EOF
}
 
 
for DIR in *
do	
	if [ -d "${DIR}" ]; then
		# convert to lowercase
		OUT=$(echo ${DIR} | tr "[:upper:]" "[:lower:]")
 
		# filter	
		OUT="${OUT// /_}"	# replace " " with "_"
		OUT="${OUT//ä/ae}"	# replace "ä" with "ae"
		OUT="${OUT//ö/oe}"	# replace "ö" with "oe"
		OUT="${OUT//ü/ue}"	# replace "ü" with "ue"
		OUT="${OUT//,/}"	# remove ","
 
		# create pdfmarks file
		TITLE=${DIR#* }
		create_pdfmark "${TITLE}"
 
		# create pdf
		cd "./${DIR}/"
		gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -sOutputFile=../l${LISTID}_${OUT}.pdf *.pdf /tmp/pdfmarks
		cd ..
	fi
done