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From Rob Hartill <>
Subject Re: Log file and databases
Date Wed, 10 May 1995 14:31:59 GMT
> Hmm... I guess I'm having trouble figuring out why you want to use a DBM 
> file then, as all the DBM file you're creating will be good for is 
> looking up accesses on a particular second.  

One thing you can do with a perl log writer is 
maintain up to date statistics e.g.


For many people, it's these counts which are the only
thing of interest that come out of a logfile. Most of us probably
do some statistical analysis like this on a nightly/weekly basis.
Having the data available in real-time would be nice.

You can also abbreviate the logifile by assigning keys to each unique
URL and client addresss - this makes the log much smaller. A simple
filter expands the abbreviated log to CLF or whatever you prefer. I
did this kind of log abbreviation for a while in order to reduce the
size of old logfiles. 

Rob Hartill                  

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