Hello World in RPG
Every programming journey starts with Hello World. RPG (Report Program Generator) is unique among the languages on this site because it runs exclusively on IBM i (formerly AS/400) - there is no …
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Variables and Types in RPG
RPG IV is a statically and strongly typed procedural language. Every variable must be declared before use, every variable has a fixed type for its lifetime, and the compiler rejects assignments that …
Read more →Operators in RPG
Operators are the verbs of expression-based programming: they take values and combine them into new ones. Modern free-form RPG IV evaluates expressions much like any other procedural language, using …
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