1. You pass a list to the method
2. the $(d) becomes an iterator for both vars and commands
3. the last value wins in the vars assisgnment because it happens last, and is
thereafter
constant
4. the iteration over echo has constant x and 3 x variable d,
Nicolas Charles wrote:
> This is strange indeed, I played with your example to understand what
> was happening, and I tried this
>
> body common control {
> bundlesequence => { "foo" };
> }
>
> bundle agent foo {
> vars:
> "d" slist => { "1.one","1.two","1.three" };
>
> methods:
> "any" usebundle => subfoo("@(foo.d)");
> }
> bundle agent subfoo(d){
> vars:
> "x" string => canonify("$(d)");
>
> commands:
> "/bin/echo $(d) ${x}";
>
> }
>
> # cf-agent -Kf ./foo.cf <http://foo.cf/>
>
> nico...@cfserveur:~$ cf-agent -Kf ./foo.cf <http://foo.cf>
> Q: ".../bin/echo 1.one": 1.one 1_three
> Q: ".../bin/echo 1.two": 1.two 1_three
> Q: ".../bin/echo 1.thr": 1.three 1_three
>
> So it is indeed called 3 time, but the canonisation refers to the last
> call.
>
> Regards,
> Nicolas
>
> 2009/12/2 <nwat...@symcor.com <mailto:nwat...@symcor.com>>
>
> Thanks for the tip Mark. Using this method again for something
> different
> get's me some unexpected results:
> body common control {
> bundlesequence => { "foo" };
> }
>
> bundle common g {
> vars:
> sunos_5_10::
>
> "svc_cmd" string => "/usr/sbin/svcadm",
> comment => "Service start/stop command.";
>
> "svc_sts" string => "/usr/bin/svcs",
> comment => "Service status command";
> }
>
> bundle agent foo {
> vars:
> "d" slist => { "1.one","1.two","1.three" };
>
> methods:
> "any" usebundle => subfoo("@{foo.d}");
> }
> bundle agent subfoo(d){
> vars:
> "x" string => canonify("${d}");
>
> reports:
> sunos_5_10::
> "${x}";
> }
>
> Results:
> bash-3.00# cf-agent -Kf ./foo.cf <http://foo.cf>
> R: 1_three
>
> Expected results:
> R: 1_one
> R: 1_two
> R: 1_three
>
> Am I still thinking in procedures?
>
> Sincerely,
> --
> Neil Watson
> 416-673-3465
>
>
>
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--
Mark Burgess
-------------------------------------------------
Professor of Network and System Administration
Oslo University College, Norway
Personal Web: http://www.iu.hio.no/~mark
Office Telf : +47 22453272
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