Re: Defining a class based on file contents

[Alan Sparks]

Maybe I'm misreading your intentions, but are you referring to doing
something like this?

classes:
  myclass = ( "grep -s someuser /etc/passwd" )

Where myclass is defined if the grep command returns a zero exit status?
-Alan

On Mon, 2003-05-12 at 10:23, Chip Seraphine wrote:
> Great!
> 
> What is the syntax for this?  I tried the obvious (see below) but it failed.
> 
> editfiles:
> 
>     { /tmp/foo
>         BeginGroupIfNotDefined "noclass"
>             DefineClasses "foo1:foo2"
>         EndGroup
>     }
> 
> This produces "cf:cfengine::/home/titan/chip/cfagent-test.conf:136: 
> Class definitions inside conditionals or loops are not allowed "
> 
> mark@iu.hio.no wrote:
> 
> >You can define classes in a conditinal block as of 2.0.6.
> >2.0.7 is just around the corner, in spite of my saying the
> >2.1.0 would be thenext version...
> >
> >M
> >
> >On 12 May, Chip Seraphine wrote:
> >  
> >
> >>I have a situation where I would like to define a class based on the 
> >>contents of the file, but do not wish to actually modify the file 
> >>itself.   Does anybody know a good way to do this (other than using a 
> >>module or shellcommand)?
> >>
> >>I have tried "|BeginGroupIfNoLineContaining" and such, but this doesn't 
> >>do the trick because I can't define classes inside the conditional 
> >>block.  There is no "touch" type command either, so I am not sure of a 
> >>safe way to fool cfengine into thinking the file has been edited without 
> >>doing something dangerous (changing the file) or silly (editing the file 
> >>and then removing the edit).  I was trying to do something clever with 
> >>"abort" and "catchabort", but that doesn't seem well suited to this either.
> >>
> >>Has anybody else solved a problem like this?
> >>|
> >>
> >>
> >>
> >>_______________________________________________
> >>Help-cfengine mailing list
> >>Help-cfengine@gnu.org
> >>http://mail.gnu.org/mailman/listinfo/help-cfengine
> >>    
> >>
> >
> >
> >
> >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >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
-- 
Alan Sparks, Sr. UNIX Administrator     asparks@quris.com
Quris, Inc.                             (720) 836-2058