Build a data structure that contains an entry for each room. For each room maintain a count of the PCs in each state. Parse through the log file and update the counts. When you decrement the "up" count for a room to zero you have an "all down start" event. When you increment the "up" count in a room from zero you have an "all down end" event.

Perl reduces RSI - it saves typing

In reply to Re: trouble with where to start by GrandFather
in thread trouble with where to start by vatheck

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