Interesting, but doesn't this create something of a logistical headache?
Whenever a change to the file is required, don't you have to make the same change to multiple (historical) versions of that same file?
How do new people receive this idea?
I'm of the opinion, one master file, not umpteen versions of a master file.
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From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of James Horn
Sent: Friday, April 06, 2012 10:09 AM
Subject: Re: Question on updating some OLD programs
We create a programming library for this purpose which holds the "generic"
files to allow the program to compile. For ancient reasons we call it Q2Q. We would create file "sales" in Q2Q. To compile the program we would add Q2Q to the library list to compile it. When running the program use ovrdbf to use whatever file you want.
date: Thu, 5 Apr 2012 15:30:04 -0400
subject: Re: Question on updating some OLD programs
Many people would have to either compile interactively, after manually typing in a few OVRDBF commands, or, write a 'make' program that compiles it after setting up the appropriate OVRDBF commands.
As long as your are modernizing you may want to consider abandoning the cl, if all it does is OVRDBF. I am not saying the presence of CL is bad but CL just for OVRDBF sake might be. It's not hard to add "user control"
to your Fspec and use QCMDEXC, system, QCAPCMD or your favorite to do the OVRDBF in the RPG program itself. Then OPEN the file. Doesn't alleviate your compile concerns but helps on the execution side.
The alternative, and I am also not saying it's 'best practices', I am simply saying it's an alternative, would be to eschew RPG file operations and use imbedded sql instead.
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