ESearch

/***
    Copyright 2009 - MindTouch

    USAGE:

    PubMedESearch(query : str, max : num?)
        Use PubMed eSearch to find publications and articles.

    PARAMETERS:

    query : str
        Search terms for PubMed eSearch service.

    max: num
        (optional, default: 10) Maximum number of results to return.

***/

// read parameter
var query = $0 ?? $query;
var max = $1 ?? $max ?? 10;

// execute search on PubMed eSearch
var esearch = "http://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&tool=topsan";
var doc = web.xml(esearch & { term: query, retmax: max });
var ids = string.join(xml.list(doc, "IdList/Id"), ",");

// show results
template('PubMed/ESummary', [ids, 'brief']);