hugo-theme-relearn/layouts/shortcodes/attachments.html

{{ $_hugo_config := `{ "version": 1 }` }}
{{ $style := .Get "style" | default "neutral" }}
{{ $title := .Get "title" | default ("Attachments-label" | T) }}
{{ $sort := .Get "sort" | default "asc" }}
<section class="attachments {{ $style }}">
    <div class="label">{{ $title }}</div>
    <div class="attachments-files">
    {{- $filesName := "files" }}
    {{- if ne .Page.File.BaseFileName "index" }}
        {{- $filesName = printf "%s.files" .Page.File.BaseFileName }}
    {{- end}}

    {{- $fileDir := replace .Page.File.Dir "\\" "/" }}
    {{- $pattern := .Get "pattern" | default "" }}
    {{- range sort (readDir (printf "content/%s%s" .Page.File.Dir $filesName) ) "Name" $sort }}
        {{- if findRE $pattern .Name}}
            {{- $size := .Size }}
            {{- $unit := "Byte-symbol" }}
            {{- if ge $size 1024 }}
                {{- $size = div $size 1024 }}
                {{- $unit = "Kilobyte-symbol" }}
            {{- end }}
            {{- if ge $size 1024 }}
                {{- $size = div $size 1024 }}
                {{- $unit = "Megabyte-symbol" }}
            {{- end }}
            {{- $unitsymbol := $unit | T }}
        <li>
            <a href="{{ (printf "%s%s/%s" $fileDir $filesName .Name) | relLangURL }}">{{.Name}}</a>
            ({{$size}} {{$unitsymbol}})
        </li>
        {{- end }}
    {{- end }}
    </div>
    {{- .Inner }}
</section>