> I'm generating my Knot's config from a Jinja2 template, and I'm having a
> problem with one thing. For example, if I have a list of elements,
> [e1,e2,e3,e4], and I want to generate a "groups" config for these based
> on a condition

Quite off-topic for a DNS list, but have you considered using a Jinja2
`join' filter?

 {{ [1, 2, 3] | join(',') }}

renders as

        1, 2, 3

leaving off the last separator "," in this case.

        -JP
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