fs.walkfiles.js

var files = [];
var wf_rlevel = 0;
util.walkfiles = function(_path, filter) {
    if(fs.statSync(_path).isFile()) {
		throw new Error(_path + ' is a file. You should provide a directory path');
	}
	
	if(!filter) {
	    filter = '.*';
	}
	
	var filenames = fs.readdirSync(_path);
	var basedir = _path;

	for(var name in filenames) {
		var file = basedir + '/' + filenames[name];
		
		if(fs.statSync(file).isDirectory()) {
		    wf_rlevel++;
			util.walkfiles(file, filter);
			wf_rlevel--;
		}
		
		if(file.match(filter)) {
		    files.push(file);
		}
	}
	
	if(wf_rlevel === 0) {
	    return files;
	}
};