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Hi Rick,

Before the second read of the subfile, set the RRN field for the subfile (as
declared on the SFILE on the F spec) to 1 - it is the eqivalent of SETLL.

HTH

Paul Tuohy

----- Original Message -----
From: "Rick Rayburn" <the400man@xxxxxxxxxxx>
To: <midrange-l@xxxxxxxxxxxx>
Sent: Monday, June 30, 2003 3:42 PM
Subject: READC - OS400 issues?


> ...using READC and SFLNXTCHG to process SFL entries.
>
> ...validate routine comes first, use READC, update SFLNXTCHG, finish READC
> loop.
>
> ...if user presses update function key, code falls through and tries to
> READC through SFL again to process only records changed for update.
>
> Problem: second READC loop appears to already be at EOF when starting new
> READ's (from previous loop?). No records processed, EOF reached
immediately.
> I know with physical files, we can *LOVAL them back to the beginning and
> read them all over again.
>
> Question: Does OS400 support 2 READC accesses within same coding loop
(only
> 1 EXFMT taken originally)? Is there any way to do this by using READC?
There
> are multiple other methods to handle the updates but I am only interested
in
> using 2 READC loops upon one function key depression.
>
> Thanx for the time.
>
> Rick Rayburn
>
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