Make the refactor vs rewrite choice one RPG program at a time. See the signals that point each program to free-format RPG on IBM i or to a new language.
See what IT general controls ask of each RPG program change on IBM i, and how an impact list and plain-English program descriptions build the change record.
Plan AS400 green screen modernization screen by screen. List each display file with the RPG programs behind it, and choose what changes on each screen.
Business rule extraction from RPG starts with a plain-English description of every program. See where rules live in IBM i code and how analysts confirm them.
