Extract title and description of City of San Jose camp from URL and append to a text file

get_san_jose_camps.js

var request = require("request"), 
    cheerio = require("cheerio"), 
    _ = require("lodash"),
    fs = require("fs"),
    readline = require("readline");

var rl = readline.createInterface(process.stdin, process.stdout);
rl.setPrompt('url> ');
rl.prompt('');

rl.on('line', function(line) {
    rl.prompt();
    var url = line.trim();
    request(url, function(err, response, body) {
        if (err) throw err;
        var $ = cheerio.load(body);
        var title = $('title').text().trim();
        var p = ["","","","","",""];
        $(".an-overlay-leftinfo p").each(function(idx, element) {
            p[idx] = $(element).text().trim();
        });
        // description is in 5th 0-indexed p; if not there, the 2nd
        var descIdx = _.find([4,1], function(idx) {
            return p[idx].length > 80;
        });
        var desc = p[descIdx];
        // unless it's somewhere else
        var text = $(".overlay-description-text").text().trim();
        if (!desc && text.length > 0) {
            desc = text;
        }
        var camp = "\n"+url+"\n"+title+"\n"+desc+"\n";
        fs.appendFile("san_jose.txt", camp, function (err) {
            console.log("camp: "+title+"\n---\n"+desc+"\n\n");
            rl.prompt('');
        });
    });
}).on('close', function() {
    process.exit(0);
});