Re: Number of files in a directory?

[Mark Burgess]

On Tue, 2005-03-15 at 09:42 -0500, nathan r. hruby wrote:
> On Tue, 15 Mar 2005, Mark Burgess wrote:
> 
> >
> >> control:
> >>    MailQueueCount = ( ExecResult(find /var/spool/mqueue -type f -name 'q*' 
> >> | wc -l )
> >>
> >> classes:
> >>    MailqueOverLimit = ( ReturnsZero(/usr/bin/test $(MailQueueCount) -ge 
> >> 12) )
> >>
> >>    Warning; completely untested, but it hopefully indicates the way I
> >> was thinking.  Mark, does this mean that boolean operations would be a
> >> good idea in cfengine?
> >
> > I don't know what you mean by a boolean operation.
> >
> 
> Well, at least a few additional "operators" like "less than" or "greater
> than" which return true/false to set a class to prevent this kind of
> senseless abuse of fork() :)
> 
> control:
>       x = ( ExecResult( something-big ) )
>       y = ( ExecResult( something-small ) )
> 
> classes:
>       XisBiggerThanY = ( GreaterThan( $(x) $(y) ) )
> 
> Yeah, this looks perl-esque, but I think a few extra operators would be
> handy (We already have a substr() ).. I see there are already tests like
> this in the cmp= operator for packages: and bymatches= for processes: so
> it might make sense to refactor that code into something for more general
> use?

Ah - I see. Yes, this is easily added. There are things like strcmp
already, but tell me what you want and I'll try to add them before next
release.

M