{{ if in "this string contains a substring" "substring" }}Substring found!{{ end }}

{{ if condition }}
{{ else if condition }}
{{ else }}
{{ end }}

.File.Dir
given the path content/posts/dir1/dir2/, the relative directory path of the content file will be returned (e.g., posts/dir1/dir2/). Note that the path separator (\ or /) could be dependent on the operating system.

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