[collectd] Remind: Does regex match end of a line?

[Sebastian Harl]

Hi,

On Mon, Aug 23, 2010 at 03:56:16PM +0400, Denis Melnikov wrote:
> > On Mon, Aug 23, 2010 at 02:57:46PM +0400, Denis Melnikov wrote:
> > > > On Fri, Aug 20, 2010 at 02:15:13PM +0400, Denis Melnikov wrote:
> > > > > Using tail plugin I want to speed up regex matching via 
> > anchoring to
> > > > > end-of-line with '$'.
> > > > > But as I can see, the plugin evaluates '$' sign as 
> > > > something else, maybe
> > > > > literal '$'.
> > > > > Is it possible to use '$' sign as anchor to end-of-line?
> > > > > I.e.:
> > > > > 
> > > > > Regex " 200 ([0-9]+\\.[0-9]+)$"
> > > > 
> > > > Hrm, that *should* work. The tail plugin uses POSIX 
> > extended regular
> > > > expressions and the only thing to be handled differently 
> > is to escape
> > > > backslashes (as you did). Do you see any errors in the logs? What
> > > > operating system / libc do you use?
> > 
> > > I use FreeBSD 7.0-RELEASE.
> > > No errors in logs.
> > 
> > Does <grep -E " 200 ([0-9]+\.[0-9]+)$" <logfile>> work on the command
> > line (use a single backslash only in this case)?
> 
> Yes, it works.

Hrm, not sure what to make out of that, so here are some more questions
;-)

Does the tail plugin work without the '$'? How did you verify that the
plugin does not work correctly (no RRD files? empty RRD files?)? What
does the complete "tail" config look like?

Cheers,
Sebastian

-- 
Sebastian "tokkee" Harl +++ GnuPG-ID: 0x8501C7FC +++ http://tokkee.org/

Those who would give up Essential Liberty to purchase a little Temporary
Safety, deserve neither Liberty nor Safety.         -- Benjamin Franklin

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