Gets a bibtex file from a DOI or an ISBN

get_bibtex.sh

#!/bin/bash

str_utilisation="$0 (doi|isbn) <value>"
if [ "$#" -ne 2 ];then
    echo ${str_utilisation}
    exit 1
fi


if [ "$1" == "doi" ];then
    doi_raw=$2
    curl -G --data-urlencode "id=$doi_raw" "http://www.doi2bib.org/doi2bib"
elif [ "$1" == "isbn" ];then
    isbn=$2
    curl "http://www.ottobib.com/isbn/${isbn}/bibtex" | perl -l -0777 -ne 'print $1 if /<textarea.*?>\s*(.*?)\s*<\/textarea/si'
else
    echo ${str_utilisation}
fi