I believe that's what "cf_null" is supposed to be for:
http://cfengine.com/manuals/cf3-Reference#Special-list-value-cf_005fnull
But it's not truly an empty list, just for iteration.
--Diego
On Aug 1, 2012, at 4:39 PM, Ted Zlatanov <t...@lifelogs.com> wrote:
> On Wed, 1 Aug 2012 22:48:35 +0200 (CEST) neilhwatson wrote:
>
> n> Empty lists seemed to be allowed:
>
> No, unfortunately, I don't think you can get an empty slist with regular
> syntax. I give you... the war of the spaces!
>
> body common control
> {
> bundlesequence => { "test" };
> }
>
> bundle agent test
> {
> vars:
> "spaces" slist => splitstring("", " ", "100");
> "spaces2" slist => { };
>
> reports:
> cfengine::
> "spaces '$(spaces)'";
> "spaces2 '$(spaces2)'";
> }
>
> =>
>
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> R: spaces ''
> R: spaces2 '$(spaces2)'
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
> Warning: Variable body for "spaces2" seems incomplete
> Promise (version not specified) belongs to bundle 'test' in file
> '/var/tmp/test.cf' near line 10
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