Check out Splunk. If there isn't a ton of data you can probably get by with a free license. It can monitor a log file and send you emails based on rules you create. There are also other log watchers written in perl and whatnot.

In reply to Re^3: How can one open a filehandle in realtime or current log by rementis
in thread How can one open a filehandle in realtime or current log by new2perl2016

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