implementing a node module

load.js

var format = require('util').format,
	fs = require('fs'),
	path = require('path');

var code = '', testCode = '',
	test = fs.readFileSync(path.join(__dirname, 'test', 'app_src.js'), 'utf8'),
	template = 'exports.%s = function %s%s {\n' +
		'\tthrow new Error(\'%s not yet implemented\');\n' +
		'};\n\n',
	testTemplate = '\tit(\'#%s\', function() {\n' +
		'\t\t(function() { fs.%s(); }).should.throw(/implemented/);\n' +
		'\t});\n\n';
Object.keys(fs).forEach(function(func) {
	var sig = fs[func].toString().match(/(\([^\)]*\))/)[1];
	code += format(template, func, func, sig, func);
	testCode += format(testTemplate, func, func);
});

fs.writeFileSync(path.join(__dirname, 'src', 'ti-fs.js'), code);
fs.writeFileSync(path.join(__dirname, 'test', 'app.js'), format(test, testCode));