Use markdowntopdf.com to create pdf from markdown

mdtopdf.js

var request = require('request');
var path = require('path');
var fs = require('fs');

var args = process.argv.slice(2);

var input = args.shift();
if (input === undefined) {
	console.log('missing input file argument');
	process.exit(1);
}

if (!fs.existsSync(input)) {
	console.log(input, 'not found');
	process.exit(1);
}

var output = args.shift();
if (output === undefined) {
	output = path.basename(input).replace(path.extname(input), '.pdf');
}

var url = 'http://www.markdowntopdf.com/';
var form = {
	file: fs.createReadStream(input)
};

request.post({ url: url, formData: form}, function (error, response, body) {
	if (response.statusCode === 200) {
		var match = /\/(download\/[^"]+)"/.exec(body);
		if (match) {
			request.get(url + match[1]).pipe(fs.createWriteStream(output));
		} else {
			console.log('unable to find download link in response');
		}
	} else {
		console.log('invalid response code', response.statusCode);
	}
});