On 28/09/2004, at 5:10 PM, James H. H. Lampert wrote:

Unfortunately, it apparently doesn't any more. At V2, it was a licensed
product; at V3, it was a PRPQ; at V4, it was long gone.

It was still available as a PRPQ for V4 because I ordered it. Release level is 420 although documentation for it is still the V3 stuff. My MI compiler still uses PL/1 although mine was not based on the IBM example. No idea if it is still available nor if the V4 PRPQ works on V5. At some point I'll probably have to rewrite it--C (bleuch) most likely.

I think Hawkeye's Pathfinder used to be written in PL/1 (still may be for all I know), along with a number of other applications which is why the PRPQ was maintained after the LPP was dropped.

It was never a particularly good subset. As I recall, list-directed
(sort of like C stdin/stdout) and data-directed (sort of like a really
good implementation of FORTRAN's NAMELIST) I/O wasn't there, and the
terminal support was particularly lousy.

Subset G I believe. It did most of what was needed on S/38 and OS/400 given display file and database support. It was created back in the S/38 days because General Motors was considering buying a truckload of S/38s and required PL/1 because that's what their applications were written in. IBM ported the compiler but I understand GM chickened out of the deal and went with a competitor.

Pity. If they had started using PL/1 we might have got all the missing bits. ILE PL/1 would be a much pleasanter environment than C (or even RPG IV or COBOL).

Simon Coulter.
   FlyByNight Software         AS/400 Technical Specialists

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