vanilla-hugo/layouts/shortcodes/codelines.html

{{ $source := (readFile (printf "code/%s" (.Get 1))) }}
{{ $allLines := split $source "\n" }}
{{ if not (eq (int (.Get 2)) 1) }}
{{ .Scratch.Set "remLines" (after (sub (int (.Get 2)) 1) $allLines) }}
{{ else }}
{{ .Scratch.Set "remLines" $allLines }}
{{ end }}
{{ $lines := first (add (sub (int (.Get 3)) (int (.Get 2))) 1) (.Scratch.Get "remLines") }}

{{ if (.Get 4) }}
{{ .Scratch.Set "opts" (printf ",%s" (.Get 4)) }}
{{ else }}
{{ .Scratch.Set "opts" "" }}
{{ end }}

{{ partial "geturl.html" (dict "scratch" .Scratch "path" (.Get 1) "siteSourceUrl" .Site.Params.siteSourceUrl "submoduleLinks" .Site.Params.submoduleLinks) }}
{{ partial "linerangestr.html" (dict "scratch" .Scratch "from" (.Get 2) "to" (.Get 3)) }}

{{ partial "highlightgroup.html" (dict "url" (.Scratch.Get "bestUrl") "path" (.Get 1) "comment" (.Scratch.Get "comment") "code" (delimit $lines "\n") "language" (.Get 0) "opts" (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts"))) }}