Retrieve content from all files in a folder matching a pattern

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1

I actually already managed to accomplish my goal, however, I would like to know if I can have the same results in a more elegant (or even more efficient) way.

{{ $css := slice }}

{{ $path := "src/css/mytheme" }}

{{ with readDir (printf "/assets/%s" $path) }}
  {{ range . }}
    {{ if (eq ( strings.TrimLeft "." (path.Ext .Name) ) "css") }}
      {{ $css = $css | append (resources.Get (printf "/%s/%s" $path .Name ) ).Content }}
    {{ end }}
  {{ end }}
{{ end }}

The first thing to notice is that because resources.Get already takes into account the /assets substring I had to split it into a variable as readDir does not. Then I had to filter manually the extension as no glob pattern is available (afaik). It does the job, but seems… dirty to me.