Re: RCVF - how to do multiple CHAINS in one CL pgm

[Bruce Vining <bvining@xxxxxxxxxxxxxxx>]

Vendor response

My Control Language for Files (CLF) product handles this type of situation
quite nicely. The command Read Record using
CLF<http://www.powercl.com/clf/clfcommands/readrcdclf> allows
you to read by key using a list of key values with the KEYLIST keyword, a
structure containing the key values with the KEYSTRUCT keyword, the key
relationship desired with the KEYREL keyword, etc.

The READRCDCLF command is provided as part of the no-charge run-time of CLF
(base option) and can be used in conjunction with the Open File using CLF
command (also part of the base run-time). Using only the no-charge option
you would need to provide a structure describing the fields/columns of the
record being read (think program-described here).

Using the CLF precompiler (part of the fee-based option 1 of CLF), your CL
program could simply Declare the file using DCLFCLF (think
externally-described here), Open the file, and then start reading records
(sequentially, randomly, etc).

More information on the product can be found
here<http://www.powercl.com/clf/aboutclf> (and
various articles I've written over the years).

End of vendor response.

Bruce Vining

On Wed, May 30, 2012 at 1:45 PM, Stone, Joel <Joel.Stone@xxxxxxxxxx> wrote:

> I have a CL loop as follows:
>
>
> Top:
> Load keyValue
> OVRDBF     FILE(TestFile) POSITION(*KEYAE 1 *N &KeyValue)
> rcvf
> goto Top
>
>
>
>
>
> The OVRDBF positions the file ONLY the first time thru (apparently it only
> positions for the NEXT file open).
>
>
> How can I read the record that I need (using keys) several times in on CL
> run?
>
>
> Thanks!
>
>
>
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