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  3. December 2005

Re: A Re-Write

Having done this twice, I would suggest a winnowing process. Identify a few criteria, and define them with this Rule of Thumb: "Give us Bang for the Buck!" Talking it over ahead of time is well worth it, especially to keep expectations in line. You are most likely talking a two year process, maybe more.
Not much sense in converting a process that is used once a year, for year-end processing, for example, but then again, there might be a lot of value in updating a piece that has a long tradition of being troublesome to use or train in your shop.
The next suggestion is to pick a couple of small pieces to do first. Get them under your belt, see the typical problems, and gain a sense for how the process itself will work best with you and your users. 

Establish standards now.  Simple ones, but get them in place first.

Thats just my 2 cents.

steema@xxxxxxxxxxxxx wrote:

Hi -
What are some steps and methodologies you would take if given an objective
to re-write an old RPG 3 system? Management wants to go to ILE.
Some of my ideas:

1. Identify all parts used on the old system. Warehouse Distribution w/
Imports type of company.
2. Take all input screen online programs and see what parts can be written
into a service program, procedures, modules, etc...
3. Do same for batch processes and report writing.

Not sure how I would organize this effort.

Steve

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