addRevisions.js

// Lives in: wiki-ng/db/

include('helma/file');

var data, dir = new File('Page');

dir.listFiles().forEach(function(file) {
    data = JSON.parse(file.readAll());
    data.revisions = [];
    data.revisions.push(data.body);
    delete data.body;
    file.remove();
    file.open();
    file.write(JSON.stringify(data));
    file.close();
    print('Done w/ file: ' + file);
});