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Re: A Porting Horror Story

by dws (Chancellor)
on Apr 09, 2002 at 22:23 UTC ( #157877=note: print w/replies, xml ) Need Help??

in reply to A Porting Horror Story

In addition to the sins stephen calls out, the engineering manager and CTO committed another major blunder: They assumed that the written specs reflected the existing Perl codebase. Bad move.

Faced with a legacy codebase and legacy specifications, trust the codebase.1

Specs lag implementation, unless one puts a lot of effort into keeping them current -- effort that code be applied elsewhere. By ignoring the existing code base as a source of truth, they probably dribbled requirements all over the floor.

1. This is a variant on another useful saying: "When the map and the territory don't agree, trust the territory."

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