Transcript Slides

History
FARGO
Precursor to RPG
RPG
Released in 1959 for use with punched card machines
RPG II
1969; first to handle i/o devices or workstation
RPG III
1979; blocked statements, DO loops, subroutines
History
RPG IV, RPGLE, ILE RPG
1994
Free Format (2001)
Ability to link directly to Java objects
Software
IDE
WebSphere Development Studio  Rational Development Studio for i
Features
Layout
Program Flow Map
Mainframe
Platform
AS/400
Declaration Block
Free Format vs. Column Based
Free format declaration block released just a few months ago
Column based seems cleaner and easier to read
Free format is not widely used, column based is still the norm
Code Walk-Through
Code Demo
Explanation of provided code
How to make DDS display file GUI
Printing out DDS values
Questions?