Support quoting vertical bar (|) character in plugin output

[Jochen Bern]

On 26.03.2013 18:23, Jim Winkle wrote:
> It's possible for a plugin to have a vertical bar (|) character in its
> regular output.

That depends a bit on what your definition of "(plugin) output" is.
Plugins certainly *can* shove pipe symbols out their stdout/stderr, but
(lacking any defined escaping) they'll never arrive in what Nagios
considers the "Plugin Output" (while extraneous pipes *will* appear in
the Performance Data).

> For example, I've seen cases where check_logfiles does this [...]
> It seems that (and correct me if I'm wrong) Nagios doesn't support a
> way to escape '|' in plugin output.

That's correct as of 3.x. (Somebody please speak up if the upcoming 4.x
is going to change that.)

> If this is true, I'll request this enhancement on tracker.nagios.org.

IIUC API changes wouldn't get applied until at least 4.1, so you might
want to simultaneously ask Gerhard for a fix in the plugin for the time
being.

Regards,
								J. Bern
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