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RPG

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RPG, aka Report Program Generator, is a programming language created in 1959.

#427on PLDB 65Years Old
Wikipedia · Docs

RPG is a high-level programming language (HLL) for business applications. RPG is an IBM proprietary programming language and its later versions are available only on IBM i- or OS/400-based systems. It has a long history, having been developed by IBM in 1959 as the Report Program Generator - a tool to replicate punched card processing on the IBM 1401 then updated to RPG II for the IBM System/3 in the late 1960s, and since evolved into an HLL equivalent to COBOL and PL/I. Read more on Wikipedia...


Example from hello-world:
**free dsply 'Hello World'; return;
Example from Wikipedia:
ctl-opt main(GetCustInf); dcl-ds ARMSTF1 ext end-ds; dcl-proc GetCustInf; dcl-pi *n extpgm('CUS001'); inCusNo like(arCNum) const; outName like(arName); outAddr1 like(arAdd1); outAddr2 like(arAdd2); outCity like(arCity); outState like(arStte); outZip like(arZip); end-pi; exec sql select arName, arAdd1, arAdd2, arCity, arStte, arZip into :outName, :outAddr1, :outAddr2, :outCity, :outState, :outZip from ARMSTF1 where arCNum = :inCusNo fetch first 1 row only with CS use currently committed; return; end-proc;

Language features

Feature Supported Example Token
Strings
'Hello world'
'

View source

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