Extract PDF preview from Pages document

pagesPDFextract.sh

extract() {
	if echo $1 | egrep -q '.pages\/?$'
	then arg="$1"
		trimmed="$(echo $arg | sed 's:/$::' | sed 's:\.pages::')"
	else arg="$1.pages"
		trimmed="$1"
		echo "source : $arg/QuickLook/Preview.pdf"
		echo "dest : $trimmed.pdf"
	fi
	if cp "$arg/QuickLook/Preview.pdf" "$trimmed.pdf"
	then echo "Extracted $trimmed"
		if [[ $delete ]]
		then delete "$arg"
		fi
	else echo "**Failed to extract $trimmed**"
	fi
}

delete() {
	rm -rf "$1"
	echo "Deleted $1"
}

if [ $# -eq 0 ]
then echo "Usage: $0 [--delete] pages_doc_1 pages_doc_2 ..."
	echo "--delete or -d : erase the original document if extraction was successful."
	echo ".pages extension may be omitted"
	exit
fi

if [ "$0" == "--delete" ] || [ "$0" == "-d" ]
then delete=0
fi

for file in "$@"
do
	extract "$file"
done