Re: [open-cobol-list] Declaratives in OC

[John Culleton]

On Saturday 31 May 2008 01:53:02 pm vince coen wrote:
> Hi;
>
> On Saturday 31 May 2008, John Culleton wrote:
> > I wrote a little program that opens a line sequential file. reads
> > through it looking for lines beginning with "\input" , then picks
> > up a file name from the same record.  Then it opens another file
> > dynamically using the file name discovered. All that works.
> >
> > The problem comes when the file to be opened doesn't exist.
> > HTCOBOL fails silently but OC gives an error message. What I want
> > to do is trap the error so that processing can continue. The
> > classic way to do that is with a DECLARATIVES section.
> >
> > Do DECLARATIVES work in OC?  With HTCOBOL?
> >
> > I can post the complete program but it runs 84 lines.
>
> Now this could be complicated:) Why not just trap for any error
> (non zero) after opening and also consider select optional?
>
> Vince.

I don't have my old manuals and the books I have do not cover these 
areas (FILE STATUS, SELECT OPTIONAL  etc. ). Is there a decent book 
still in print?  There are some examples in the htcobol test suite 
but I need a little more guidance that.

-- 
John Culleton
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