Re: reading a sfl twice

Chaining to subfile is preferred and good solution.  Setting RRN to 0 does 
not sound quite correct for reading from the top. However, SFLNXTCHG *on  
will guarantee the whole sfile is read the first time if each rcd was 
written with the corresponding ind '*ON'.




>From: VWilliamson@glazers.com
>Reply-To: RPG400-L@midrange.com
>To: RPG400-L@midrange.com
>Subject: Re: reading a sfl twice
>Date: Thu, 19 Apr 2001 15:05:41 -0500
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>When I have done this in the past, even with the sflnxtchg on, the second
>time through I have to reposition the pointer or whatever it's called at
>the beginning of the subfile.  Since setll is illegal for subfiles, I chain
>with relative record one.  From then on readc works.  It's just like
>reading a disk file.  Once you have read it, you have to reposition at the
>beginning to read it again.
>
>Is there a better way to do this?  I'd be interested to know.
>
>Valene M. Williamson
>IBM Certified Specialist
>vwilliamson@glazers.com
>972-448-8018
>
>
>
>                     "Jim Franz"
>                     <jfranz@triad.rr.        To:     
><RPG400-L@midrange.com>
>                     com>                     cc:
>                     Sent by:                 Subject:     Re: reading a 
>sfl twice
>                     owner-rpg400-l@mi
>                     drange.com
>
>
>                     04/19/01 12:00 PM
>                     Please respond to
>                     RPG400-L
>
>
>
>
>
>
>set ind on for sflnxtchg & update sfl (not control). Then next readc of
>same
>sfl records will read all of them as changed
>records. Good for read for errors & then read for update.
>jim
>----- Original Message -----
>From: <saustad@deltadentalwi.com>
>To: <rpg400-l@midrange.com>
>Sent: Thursday, April 19, 2001 2:00 PM
>Subject: reading a sfl twice
>
>
> > Is there a method for reading thru a sfl twice using READC?  We have a
> > situation where after we EXFMT, we need to "READC" thru the sfl twice.
> > I was thinking of using the SFLNXTCHG without an indicator.  We checked
>the
> > midrange archives, and there was something about doing a WRITE to the
> > sfl control rcd fmt between the two READC loops to reposition the sfl to
> > the beginning.  I'm having difficulty getting this to work.
> > Thanks for any help.
> >
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