#!/bin/sh
# Written by Daniel Bosk, 2010.
# Contact: 1024D/D5FF00F6 Daniel Bosk <daniel@bosk.se>
#
# Available under the MIT license.
#
# This script fetches a reference for a supplied ISBN from the Libris
# database at the Royal Library of Sweden.  The reference can be specified to
# be in e.g. BibTeX-format.

format=bibtex

usage() {
	echo 'Usage: libris [-bho] {[-i] ISBN}'
}

args=$(getopt bhi:o $*)
if [ $# = 0 ]; then
	usage
	exit 2
fi
set -- $args
while [ $# -ge 0 ]; do
	case "$1" in
		-b)
			format=bibtex; shift;;
		-h)
			format=harvard; shift;;
		-o)
			format=oxford; shift;;
		-i)
			isbn=$( echo "$2" | sed "s/-//g" )
			shift; shift;;
		--)
			shift; break;;
	esac
done

if [ "${isbn}" = "" -a "${1}" != "" ]; then
	isbn=$( echo "$1" | sed "s/-//g" )
elif [ "${isbn}" = "" ]; then
	usage
	exit 2
fi

lynx -dump "http://libris.kb.se/xsearch?query=ISXN:${isbn}&format=${format}"