Node scripts

figureMdImgInDir.js

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

var ENCODING = 'utf8';

var target = process.argv[2];

fs.readdirSync(target).forEach(function (file) {
	var filePath = path.join(__dirname, target, file);
	var content = fs.readFileSync(filePath, ENCODING)
		.replace(/\[!\[\]\((.+)\)\].+\n([^\s]+)/g, function (matcher, url, caption) {
			// console.log('>>>', url);
			return '<figure>' +
				'<img src="' + url.replace(/\/s\d+\//, '/s400/') + '" height="267" width="400" data-origin-width="600" data-origin-height="400" />' +
				'<figcaption>' + caption + '</figcaption>' +
				'</figure>';
		});
	// console.log(content);
	fs.writeFileSync(filePath, content);
});

unescapeHTML.js

/**
 * Usage:
 * cat some/file.txt | node unescapeHTML.js > some/file.unescaped.txt
 */
process.stdin.setEncoding('utf8');

var content = '';

process.stdin.on('readable', function() {
	var chunk = process.stdin.read();
	if (chunk !== null) {
		content += chunk;
	}
});

process.stdin.on('end', function() {
	process.stdout.write(content.replace(/&#(\d+);/g, function (matcher, code) {
		return String.fromCharCode(parseInt(code, 10));
	}));
});