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  2. RPG400-L
  3. May 2008

Re: Quick OPM RPG question

Hi, James:

I thought exactly the same thing. (The MI MODS instruction ...)


Then I remembered that "MODS" is also an RPG acronym for

Multi-Occurance Data Structure

Cheers,

Mark

> James Lampert wrote:
Keith Carpenter wrote:

1) Always pass the MODS parm to program. Optional parms are often just an easy way to avoid maintenance of other programs.

In this case, a program that hasn't required maintenance in the past DECADE, and for which I had to retrieve the source member from a box that hadn't been powered up (aside from its weekly exercise cycle) in over a year.

What really sucks is that the program with the optional parameter doesn't actually USE the multi-occurrence data structure; it was added because that program now calls a program (a customized, closed-source variation on Dave McKenzie's UNDEL2, if you must know) that DOES use it.

"MODS"? What does the MI instruction to modify the attributes of a space have to do with multi-occurrence data structures? :-p


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