Re: logging to a pipe?

On Thu, Aug 26, 2004 at 01:05:02PM +0200, Marten Lehmann wrote:
> > Correct. The ARM makes it crystal-clear that the reserved word "file"
> > is followed by a pathname enclosed in double quotes.
>
> Ok so far. But I need to parse the log in realtime and what's easier
> than logging to a script which can select the useful entries and react
> accordingly? A script can receive input continuesly but it's hard to
> read only new entries of a logfile, especially when it's truncated or
> renamed after a certain size. The workaround would be to log everything
> to stderr so I could start named with
Check out retail, a stateful tailing utility.
http://www.ranum.com/security/computer_security/code/

Or use GNU tail, which supports the "--follow=name" option.

And of course, a reasonable log parser will support various forms of log
resetting anyway. If the log parser you're using doesn't support it,
that's probably a sign...

--
Ed Schmollinger - schmolli@frozencrow.org

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