Re: [Feature Request] Filter with arguments

[BP Jonsson <bpjonsson-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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There clearly are situations where metadata are the best option, but I
realize that there are situations where they may be unsuitable, depending
on the nature of the filter, the data and the way the data is used by the
filter. For now if you think that the metadata get in the way later the
filter which uses them can remove or alter them.

As for filter arguments making things easier/harder for this or that
wrapper it pretty much depends on how the wrapper interacts with pandoc
and/or filters and how (manner and form) filter arguments are passed to
filters.
Clearly the possible need of wrappers to see some/all filter arguments need
to be taken into account.

/bpj


Den 8 jan 2017 21:51 skrev "Kolen Cheung" <christian.kolen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>:

> Just to mention another disadvantage of -M option that I haven’t included
> in the summary above: if the options is specified in this way, it will
> “burn-into” the document. But one of the application I need is to go freely
> in a round trip (converting pandoc Table to CSV CodeBlock in one pass, and
> convert the CSV CodeBlock back to pandoc Table in another pass). But since
> the -M metadata will accumulate, this is a no-go at least for me. Because
> of this, I now see why @jgm recommends using environment variables among
> the currently working methods. But the potential difficulties for Windows
> users is still a concern.
>
> And the new suggestions of -F FILTERNAME[=FILTEROPTIONS] seems cleanest.
> For ugly filter name: -F "My Cool Filter.py"="--some --cool --arg". Don’t
> know if this will make the life of pandoc-mode or panzer and alike easier
> too.
> ​
>
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