A more generalized way to handle such requirements is with a Finite-State Machine (FSM) approach.
The algorithms consider, not only the current line of input, but the $state that the FSM is “in” at the time,
where the current value of $state is determined by recent history of lines seen.
Sounds cool. I found a lot of interesting hits using Super Search:
All these glowing endorsements have got me excited, yet I couldn't
find any sample code in any of these nodes.
So I was wondering if you could
post some of the excellent FSM code you've
implemented over the years?
It would really help me to better understand FSMs.
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