ddg

#!/usr/bin/env node

var https = require('https'),
    url = require('url'),
    qs = require('querystring'),
    pledge = require('node-pledge'),
    ddg_url = 'https://api.duckduckgo.com/?format=json';

pledge.init('stdio rpath wpath cpath inet dns ioctl');

var i = 2, l = process.argv.length, q = '';
for (; i < l; i++) {
    q += process.argv[i];
    q += ' ';
}

function parse(d) {
    if (d.name && d.name.match(/conversions/i)) {
        var a = [];
        a.push(d.data.raw_input);
        a.push(d.data.left_unit);
        a.push('->');
        a.push(d.data.raw_answer);
        a.push(d.data.right_unit);
        return a.join(' ');
    } else {
        return d;
    }
}

var req = https.get(ddg_url + '&q=' + q, function(res) {
    var data = '';
    res.on('data', function(chunk) {
	data += chunk;
    });
    
    res.on('end', function() {
	pledge.init('stdio');
	d = JSON.parse(data);
	if (d.Answer !== "" && typeof(d.Answer === "string")) {
	    console.log(parse(d.Answer));
	} else {
	    console.log(parse(d));
	}
    });
});