Extract business rules from legacy RPG applications

The Top Three Reasons to Extract Business Rules from Legacy RPG Applications:

To document the system
To reengineer the system into a modern architecture
To rewrite the system into a new language

How Does Business Rule Extraction Work for the AS/400 and iSeries?

Databorough’s Business Logic Extraction module facilitates the automated extraction of explicit business rules and UI-meta-data from RPG, COBOL or CA:2E. Analysis, documentation and export into DDL, XML meta-data repositories and tools such as MyEclipseBlue, Rational, Erwin and Together.

A business rule narrative is created which can be viewed inline with the actual code it is derived from.
AS/400 iSeries IBM i Business rule narrative

Among other features, an impact analysis enables you to understand where the business rule is used throughout the application.
AS/400 iSeries IBM i Business rule where used

What Can Be Done With The Extracted Rules?

Whether you are simply documenting your system for operational or audit purposes, modernizing it for improved efficiencies, or rewriting it for new technology directions, the extraction of business rules is a fundamental, high value task within any projects of these types.