On Tue, Jan 18, 2000 at 03:19:02PM -0600, Bret Hughes wrote:
> I have a java program that spits out messages to standard out
> periodically. This program will run indefinetly and when I redirect the
> output the file gets pretty big >10MB after a week or so. There is a
> bunch of debug stuff in there right now and the production version will
> not have quite so much stuff in it but that is another story...
>
> My questions are these: How does the shell handle redirected output?
> Does it just append to the file and not use a copy of the file in
> memory?
>
> Can I use logrotate to manage this file by using the copy/truncate
> function? The ability to email the old file seems pretty cool and would
> be very useful.
>From what I understand, logrotate depends on the ability to either restart
the daemon writing to the file, or being able to send it a signal to tell
it to re-open it's file handles.
The way Unix works is if a process is writing to a file, even if you delete
it, the file doesn't go away until the process closes the file.
--
Steve Borho Voice: 314-615-6349
Network Engineer
Celox Communications Corp
Fortune of the day:
Boycott meat -- suck your thumb.
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