Re: Using generic program to read multiple file formats

["Barbara Morris/Toronto/IBM" <bmorris@xxxxxxxxxx>]

>Date: Mon, 18 Sep 2000 15:53:48 +0100
>From: Rob Dixon <rob.dixon@erros.co.uk>
>
>> Well, use externally defined data structures to define the formats, read
by
>> FILE name not format name, then move the character buffer to the correct
>> format.  You can use the IO feedback area or indicators to recognize
which
>> format you received.
>
>Many thanks but that is what I am doing (or I think I am!) and I get
undefined
>format errors (RPG1011) even though my read is by file name, not format.

Rob, it sounds like you're using an externally-described file.  What you're
doing is easy with a program-described file.  It's not possible with an
externally-described file.  The compiler decides how to move the buffer to
the fields based on the record format; even if the compiler allowed the
unknown format without an error, none of your input fields would be changed
by the read.

Barbara Morris


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