Re: feature request

[Mark . Burgess]

On 18 Apr, GERMA Denis wrote:
> Hi,
> I am surprise but I tried to use the ! operator on the 1.6.3 version of
> cfengine
> 
> on a test programe :
> 
>>classes:
>>
>>                classe1 = ( '/usr/bin/test -f classe1' )
>>                not_classe1 = ( !classe1 )
> 
> And cfengine complains :
> "Wildcards cannot be used in this context:" on the "not_classe1" line.
> 
> I would have used in the same spirit the "and" operator in the classe
> definition,
> but it does not seems possible yet.
> 
> In fact I would have been a good Idea to be able to use all logical operations
> on classe constructions.
> 
> Have I missed something ?
> 
> I have joined a start for a test program.
> run cfengine on it and all lines should be duplicated.
> 
> Thanks for all.
> D.Germa
> 
> 
> Mark.Burgess@iu.hio.no a écrit :
> 
>> On 17 Apr, Alan Sparks wrote:
>> > Don't know how hard this would be to implement -- so I'll ask anyway...
>> >
>> > Several times I've run into the need for a class representing "run these
>> > if no other class applies."  Something like:
>> >
>> > resolve:
>> >       box1||box2::
>> >               1.2.3.4
>> >       default::
>> >               4.3.2.1
>> >
>> > I just made "default" up... the idea is the "default" class applies if
>> > no other more specific classes apply.  I know something like this
>> > behavior can be synthesized by using class defs and negated classes, but
>> > it is extremely cumbersome to do.
>> >
>> > I don't think "any" is any good here, since it would be executed
>> > regardless of whether other rules apply.
>> >
>> > Opinions?
>> > -Alan
>> >
>>
>> I don't see what is difficult about using the ! sign. Figuring
>> out what is "default" is much easier for you than for cfengine.
>> You could do this:
>>
>> classes:
>>
>>    someclass = ( box1 box 2 )
>>    default = ( !someclass )
>>
>> resolve:
>>
>>  someclass::
>>    1.2.3.4
>>
>>  default:
>>
>>    1.2.3.4
>>
>> if you want to make it more readable.
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> Work: +47 22453272            Email:  Mark.Burgess@iu.hio.no
>> Fax : +47 22453205            WWW  :  http://www.iu.hio.no/~mark
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> _______________________________________________
>> Help-cfengine mailing list
>> Help-cfengine@gnu.org
>> http://mail.gnu.org/mailman/listinfo/help-cfengine



Ah - you know I have fixed this problem half a dozen times and every
time the patch disappears because I forget to patch cflex.l.in and not
cflex.l....hrmm! Well here is a patch and this time I got it right!


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Work: +47 22453272            Email:  Mark.Burgess@iu.hio.no
Fax : +47 22453205            WWW  :  http://www.iu.hio.no/~mark
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cflex.l.in
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