In a recent note, David Alcock said:
> Date: Sat, 23 Jul 2005 22:20:09 -0700
>
> > When I attempted to report in a PMR a deficiency in ISRDDN
> > which I perceived as a problem, IBM Support's response
> included:
> >
> > 3) ISRDDN was designed for use by IBM service. "ISRDDN is a utility
> > that assists IBM support in evaluating and solving problems,"
> > according to the user guide.
>
> See this IBM-Main post on ISRDDN:
> http://bama.ua.edu/cgi-bin/wa?A2=ind9606&L=ibm-main&P=R3988&I=1
> IBM put it in a newsletter and the user's guide...
>
Which states:
Several people have written about the problems finding in which
library an exec, clist, load module, panel, etc. resides. In ISPF 4.1
IBM shipped an exec called ISRFIND that will do exactly that.
[ ... ]
In 4.2 there is a semi-documented program named ISRDDN that provides
additional diagnostic capabilities.
Which may have been true when it was released. But this objective
has been Overcome By Events. Lately, EXECs and Assembler macros
(I consider "etc." to include the latter) can reside in concatenated
HFS directories. ISRDDN will not report these. It was in response
to my report of this deficiency that IBM gave the brush-off above.
WAD, perhaps, but it no longer reports "exactly" where a BLDL will
find a given member resides. WAD no longer means working to satisfy
its objective as perceived by our colleague above. IBM's defense
of the behavior is that ISRDDN uses ISPF LM services, not BLDL. I
believe, then that LM services are to be considered defective and
should be repaired to correctly emulate the behavior of BLDL; or,
better, to use BLDL rather than duplicating the function.
Conway's law strikes again: if two development groups contrive to
provide services to find a member in a library, you get two
different techniques to find a member, perhaps yielding different
results.
-- gil
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