Christoph Maser writes:
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>John Relph wrote:
>> Christoph Maser writes:
>> Could we change that to read
>>
>> hostgroups +, linux-servers,web-servers
>>
>>
>> this + looks a bit awkward to me. Also considering how you use
>> "!" as a unary operator + makes people think the "+" is an
>> operator for the following string.
>>
>>> Disagreed. Your proposed syntax is more confusing. Your syntax makes
>>> it look like "+" is itself a hostgroup (albeit with special meaning).
>>> The original syntax is well known and understood. For example, Apache
>>> configuration files use the "+" as proposed below.
>>
>>> I prefer Ethan's proposed syntax.
>>
>>> -- John
>>
>> Chris
>
>John,
>
>i see your point but i really think the way + and ! are
>used are not very consistent. I'm not quite certain which parts in
>httpd-config you mean? Options? Could you further elaborate this comparison?
See http://httpd.apache.org/docs/2.0/mod/core.html#options
... if all the options on the Options directive are preceded by a +
or - symbol, the options are merged. Any options preceded by a + are
added to the options currently in force, and any options preceded by
a - are removed from the options currently in force.
Which basically says you can do this:
hostgroups +linux-servers,web-servers
which adds the specified groups to those inherited from the template,
or this:
hostgroups +linux-servers,-web-servers
which adds the first group to and removes the second group from those
inherited from the template, or this:
hostgroups linux-servers,web-servers
which replaces any groups inherited from the template with those
specified.
I don't know if we need the minus "-" operator for Nagios (though I
suppose if we built it, they would come).
Also see xhost(1) for similar syntax.
-- John
>Chris
>
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--
John Relph
NOAA/NESDIS/National Oceanographic Data Center
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