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  • Subject: Re: Empty subfile error message
  • From: Richard Baird <rbbaird@xxxxxxxxxxx>
  • Date: Thu, 04 Dec 1997 15:43:30 -0500
  • Organization: Premium Systems, Inc.

SCHENCK_DONALD wrote:
> 
> All --
> 
> If you display an empty subfile, you get an error and the program bombs.
> 
> There is a technique where you write one record to the subfile then 
>immediately
> clear the subfile. This prevents the error.
> 
> But; isn't there a more elegant way to avoid this error. If I mismember
> correctly, there's a keyword you can use. It's been over two years ...

I've always used SFLDSP with an indicator different than SFLCTLDSP.

set it off when the subfile is cleared, set it on when a record is
added.

alternatively, just before EXFMT controlrecord,  compare the RRN to 0 to
set the indicator.

HTH,

Rick
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