On 25/11/2009, at 3:52 AM, Mike Cunningham wrote:
Thanks all - exactly what I needed. Has this really been there since
V5R1?
I see some later appends addressing this but:
RTVMBRD has been present since early OS/400--VRM211 by my recollection
but I can't find data to support the earliest occurrence. It is
described in my copy of the VRM220 Book Manager Library (without
change bars so must have been provided in an earlier release). I have
code indicating I first used it in October 1991 so it's been around at
least since then.
I see some comments suggesting RTVMBRD was present on CPF but I
dispute that. It isn't listed in the Command Syntax Diagrams section
of my IBM System/38 Programming Reference Summary (SC21-7734-8) for
Release 8 Modification Level 0 of CPF, nor is it provided as a command
in the QSYS38 compatibility library on OS/400.
I also have OS/400 code I wrote in October 1990 to determine the
record count of a file which supports the lack of a RTVMBRD command
until some time after that. It's possible I missed the existence of
RTVMBRD but unlikely. I recall being pleasantly surprised when it
arrived.
Regards,
Simon Coulter.
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