[mrtg] Re: Global options vs. unit options

[Alex van den Bogaerdt]

Paul C. williamson wrote about Options[_]: growright

and Merton Campbell Crockett replied:

> Unless Tobi (or others) decided to the change the way things have worked
> and thus breaking a lot of ancient configuration files, the global tags
> only apply to a target for which that particular tag is not defined.
> 
> So, if you need some other options for a particular target but still want
> to growright, you need to specify ALL the options that you want for that
> target.

"whatever[_]: something" is a DEFAULT.  It has always been just that.
A default means that you can override it and that's what's happening
when you specify a more specific entry in a target definition.

"whatever[^]: something" is NOT a default.  It will apply, also if a
more specific entry is made (same applies for "[$]" as a suffix).

You can modify those global options just before any target definition,
it will be applied from that point in the config file towards the end.

So:
Assume 26 targets (a, b, ... z) and you want to use "bit" on each of
them but the last, while using "growright" only on target b:
Options[^]: bits
[...]
Target[a]: [...]
[...]
Target[b]: [...]
Options[b]: growright
[...]
Options[^]:
Target[z]: [...]

See also "NoSpaceChar"

This is all documented in reference.{pod|txt|html} so if you don't
understand it, please indicate where you loose track of it.

HTH
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