title: Is this possible to run a python script before Xcode doing compiling?
body: <p>I am using Xcode to develop application. But I include some test files, and I would like to keep a reference timestamp while I do compiling. Is this possible for me to do some scripting before I start compiling the programme? Of course, I can manually run the script before I compiling, but I would like to do it in <code>one step</code>, and recommend? Thanks.</p>