ringojs, list directory recursevely and return result as json

fs_to_json.js

/**
 * usage: ringo fs_to_json.js
 *        ringo fs_to_json.js path
 *        ringo fs_to_json.js path outputfile
 * result:
 *   [{"name":"filename"},{"name": "directoryname", files:[]}]
 */

var system = require("system");
var fs = require("fs");

var rootPath = system.args[1] || ".";
var targetFile = system.args[2];
var getFiles = function(path)
{
        var files = [];
        fs.list(path).forEach(function(file) {
                var fileObject = {
                        name: file
                }
                var newPath = fs.join(path, file);
                if (fs.isDirectory(newPath)) {
                        fileObject.files = getFiles(newPath);
                }
                files.push(fileObject);
        });
        return files;
}

var files = getFiles(rootPath);

if (targetFile)
{
        fs.write(targetFile, JSON.stringify(files));
}
else
{
        print(JSON.stringify(files));
}