local path = "/.storage/"

function create (dataset)
  fs.makeDir(path..dataset)
end

function set (file, data)
  if not data then
    return clear(file)
  end
  local fd = fs.open(path..file, "w")
  fd.writeLine(data)
  fd.flush()
  return fd.close()
end

function get (file)
  local fd = fs.open(path..file, "r")
  if nil == fd then return nil end
  local data = fd.readLine()
  fd.close()
  return data
end

function clear (file)
  return fs.delete(path..file)
end