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  2. RPG400-L
  3. February 2009

Re: Need OCCURS when defining data structures


On 3-Feb-09, at 4:03 PM, rpg400-l-request@xxxxxxxxxxxx wrote:

I'm on a V5R2 machine and rewriting a program that currently uses 60 element
arrays when processing records. As part of the processing I have to move
element 59 to element 60, 58 to 59, etc and put the newly read record in
element 1. A friend (thanks Marshall) suggested that instead of using
arrays, define the arrays as data structures and move the data structure
instead.

Well the fastest thing would be to not move anything. Given your description, why not simply "roll" the array by maintaining "last entry" and roll that number when it reaches the max (60 in your case apparently).

As to the array definition - if you really are processing records then use the LIKEREC keyword to describe the array elements like the record and then Dim the array. Stay away from Occurs - it is soooo RPG III ;-)



Jon Paris

www.Partner400.com
www.SystemiDeveloper.com



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