Documentation? Have you looked at most RPG programs ;-)

Interesting read though. I agree to a point, but I do think there is a time
when rewriting is the right move. I think procedural programming differs
from OO programming in the decision to a point as well. Procedural
programming for me is harder to read. Nested if statements with 50 lines
between the initial if/endif is hard to read no matter how well it's
documented. Stuff like that should be rewritten.

For an OO example if you have some kind of custom ORM solution, rewriting
for JPA makes more sense to me.

Also, if there is a GOTO anywhere in the program, rewrite the whole thing.
Okay, that's more of a joke, but that's how I feel when I see a GOTO. :-)

James R. Perkins

On Tue, Jun 22, 2010 at 14:10, Thorbjoern Ravn Andersen <ravn@xxxxxxxxxx>wrote:

Den 22/06/10 18.38, James Perkins skrev:
I kind of see the backwards compatibility as a blessing and a curse. It's
great things work, but it also leads to code that never really gets
because it just works. I've seen code out there just about as old as I
am. A
lot of the code I end up having to working was written in the 80's and

Joel Spolsky puts it much better than I can:

" The idea that new code is better than old is patently absurd. Old code
has been /used/. It has been /tested/. /Lots/ of bugs have been found,
and they've been /fixed/. There's nothing wrong with it. It doesn't
acquire bugs just by sitting around on your hard drive. Au contraire,
baby! Is software supposed to be like an old Dodge Dart, that rusts just
sitting in the garage? Is software like a teddy bear that's kind of
gross if it's not made out of /all new material/?" -- (recommended

I understand that you mean "change code" when you say "look at code".
That means you have to test and debug your changes, and document[1] them
which is actually quite a bit of work if you fiddle with critical stuff.

It is ok to do all that work if you HAVE to, but why do it otherwise?

[1] more or less :) In any case you can leave it more documented than
you found it.

Thorbjørn Ravn Andersen " Tubular Bells!"

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