[chef] Re: Deleting an element in an attribute?

[Andrea Campi < >]

On Thu, Feb 2, 2012 at 1:05 AM, Robert Keng 
<
 >
 wrote:
> I'm probably not using the right terms, but lets' say I have the following:
>
> set[:packages_install_specific] = [
>   ["js","1.70-8"],
>   ["icu","3.6-5.16.1"],
>   ["libicu","3.6-5.16.1"],
>   ["libicu-devel","3.6-5.16.1"]
> ]
>
> The attrs looks like:
> {
>     "normal": {
>      "packages_install_specific": [
>         [
>           "js",
>           "1.70-8"
>         ],
>         [
>           "icu",
>           "3.6-5.16.1"
>         ],
>         [
>           "libicu",
>           "3.6-5.16.1"
>         ],
>         [
>           "libicu-devel",
>           "3.6-5.16.1"
>         ]
>      ]
>
> ...
>
> Is it possible to delete the tuple   ["libicu-devel","3.6-5.16.1"]
> programmatically in a recipe? I've tried using:

There are more idiomatic ways that are more compact, but this is nice
and readable:


packages = node[:packages_install_specific]

packages.reject! do |name, version|
  name == "libicu-devel" && version == "3.6-5.16.1"
end

node[:packages_install_specific] = packages


Andrea