there is a little bug in example(doc:/SmartFoxServerPRO/Docs/docPages/serverSideApi/_server/writeFile.htm):
should bevar ok = _server.readFile("testFile.txt", text)
var ok = _server.writeFile("testFile.txt", text)
should bevar ok = _server.readFile("testFile.txt", text)
var ok = _server.writeFile("testFile.txt", text)