[Tutor] Real time reading

[Øyvind]

I would like to analyze a maillog. The maillog is automatically generated
and every mail sent is added to the log. I would like to check if someone
send more than 5 mails pr minute (spams) and if so, get Python to send a
warningmail to the mailmaster.

How would I in the best way read the log? To open the file and close it
every second sounds like a bad idea? Is there some function to analyze the
file, and automatically extract additions to the file?

Thanks in advance.

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