Have you tried using if statements and rewrite_metadata?  I have this line
in my liq file which rewrites title metadata for a suffix, depending on a
switch:

src = rewrite_metadata([("title", '$(if $(use_suffix),"$(title)
$(suffix)","$(title)")'), ("url", "http://mystation.com";)], src)

On Sun, Mar 27, 2016 at 1:35 AM, jean duffas <[email protected]> wrote:

> Hello,
>
> I would like to drop-metadata from a stream when metadata is equal to a
> certain value…
> is there a solution for that?
>
> thank you :-)
>
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