将数据从一个cli应用程序传递到另一个应用程序的最佳方法是什么

For example how to pass data from one cli application for example Ruby script to PHP script. I mean raw data, text, binary and etc.. Arguments falls out because of raw data using temp files also is kind lame. The last thing I know which would work is stdin, stdout. Maybe someone knows anything better?For example how to pass data from one cli appli