RE: Chain doesn't set %EOF

[<SRamanujan@xxxxxxxxxxxxxxxxxx>]

Paul,
ReadE is part of the read opcodes that encounters a %EOF whereas Chain
is a search pattern (like check) which only can return %Found.
I agree with you that it would be nice to have something that works for
your example which is what we have been using in the past.  Or perhaps,
the ReadE can also set %Found which then can be used as you mentioned.
Thanks,
Sudha

Sudha Ramanujan
SunGard Futures Systems
sramanujan@xxxxxxxxxxxxxxxxxx
(312) 577 6179
(312) 577 6101 - Fax


-----Original Message-----
From: Paul Morgan [mailto:pmorgan@xxxxxxxxxxxxxx] 
Sent: Tuesday, March 29, 2005 10:39 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: Chain doesn't set %EOF

Why doesn't a failed CHAIN (which sets off %FOUND) also set on %EOF?  I
can
code a read loop as:

SetLL ( SomeKey) File;
ReadE ( SomeKey ) File;
DoW Not %Eof( File );
   // do something
   ReadE ( SomeKey ) File;
EndDo;

Rather that doing a SetLL/ReadE combo to start the loop it used to be
shorthand to code a Chain with:

Chain ( SomeKey ) File;
DoW Not %Eof( File );
   // do something
   ReadE ( SomeKey ) File;
EndDo;

except Chain doesn't fiddle with %EOF so this won't work.

Could do this with RPGIII.  You could put the same indicator for the
CHAIN
NotFound indicator position and ReadE EndOfFile indicator position.  Any
possibility of getting Chain to set the %EOF indicator as well as the
%FOUND
indicator?  Or would that break existing code?

Paul

-- 
Paul Morgan
Senior Programmer Analyst - Retail
J. Jill Group
100 Birch Pond Drive, PO Box 2009
Tilton, NH 03276-2009
Phone: (603) 266-2117
Fax:   (603) 266-2333



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