> gradle -Pwinstart="Gogogo.bat" -Ptask=start -b test.gradle test
myVar = project.winstart :: Res = Gogogo.bat
FAILURE: Build failed with an exception.
Build file 'test.gradle' line: 2
* What went wrong:
A problem occurred evaluating root project 'cccp'.
> No such property: project for class: Script1
So the varialbe print out correctly on line 1, but fail on line 2.