[Q] scripts for change build.prop by aroma

hi
i need help
i search so much but can't find and can't understand anything because this is my first project for scripts
i can't understand scripts
here is my aroma:http://d-h.st/PJG
i have 3 selectable options in aroma for edit build.prop by scripts that Each have two options ,example:"yes" or "no" ,,,,,"bravia1"or"bravia2"
one of options apply successfully but others not success (clear phase works but bravia and super stamina not works)
after applying my mod , i can't see any change for bravia and super stamina
i want to remove lines and add new lines
i found these:
http://forum.xda-developers.com/show...9&postcount=20
http://forum.xda-developers.com/show...76&postcount=6