RPG/400

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Revision as of 12:39, 7 June 2005 by Al Mac (talk | contribs) (→‎New stuff as of RPG/400)
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Note that

  • RPG/400 can do just about anything that earlier versions of RPG such as RPG III could do and a whole lot more,
  • while RPG 4 can do just about anything that RPG/400 could do and a whole lot more.

New stuff as of RPG/400

This is from the perspective of someone moving from RPG on S/36 SSP to RPG on the 400. Some of these capabilities may have existed with RPG on S/38.

  • External File Definition Support. Previously we just had Internal File Definitions.
  • Many new structured programming capabilities in conjunction with IFxx
  • Concatenation and Substringing
  • CALL a sub-program
  • Output an interactive screen to the users, then read it back in and act on the data provided
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