How to change image extension from svg to pdf?

How to change image extension from svg to pdf?

[Liwei Ma]

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Pandoc supports ' --default-image-extension= ' to add a custom extension to 
an image in markdown. While most markdown editor don't support to add a 
default extension to the file name and cannot render right with images that 
omits extension.

So in an editor, one has to remain the extension such as 'file.svg' for 
better rendering. While in pandoc script, it is better change the '*.svg' 
to '*.pdf' for image files.

Is there an easy way to do this? Or how to write a filter to do this?

Best regards

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Re: How to change image extension from svg to pdf?

[John MacFarlane]

This lua filter should do the job:

function Image(el)
  el.src = string.gsub(el.src, ".svg", ".pdf")
  return el
end

Liwei Ma <liwei.ma-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:

> Pandoc supports ' --default-image-extension= ' to add a custom extension to 
> an image in markdown. While most markdown editor don't support to add a 
> default extension to the file name and cannot render right with images that 
> omits extension.
>
> So in an editor, one has to remain the extension such as 'file.svg' for 
> better rendering. While in pandoc script, it is better change the '*.svg' 
> to '*.pdf' for image files.
>
> Is there an easy way to do this? Or how to write a filter to do this?
>
> Best regards
>
> -- 
> You received this message because you are subscribed to the Google Groups "pandoc-discuss" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to pandoc-discuss+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/350f80e8-7767-4498-acf4-6e468d66770dn%40googlegroups.com.

Re: How to change image extension from svg to pdf?

[Liwei Ma]

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Many thanks, it works!

On Tuesday, June 29, 2021 at 1:00:35 AM UTC+8 John MacFarlane wrote:

>
> This lua filter should do the job:
>
> function Image(el)
> el.src = string.gsub(el.src, ".svg", ".pdf")
> return el
> end
>
> Liwei Ma <liwe...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
>
> > Pandoc supports ' --default-image-extension= ' to add a custom extension 
> to 
> > an image in markdown. While most markdown editor don't support to add a 
> > default extension to the file name and cannot render right with images 
> that 
> > omits extension.
> >
> > So in an editor, one has to remain the extension such as 'file.svg' for 
> > better rendering. While in pandoc script, it is better change the 
> '*.svg' 
> > to '*.pdf' for image files.
> >
> > Is there an easy way to do this? Or how to write a filter to do this?
> >
> > Best regards
> >
> > -- 
> > You received this message because you are subscribed to the Google 
> Groups "pandoc-discuss" group.
> > To unsubscribe from this group and stop receiving emails from it, send 
> an email to pandoc-discus...-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> > To view this discussion on the web visit 
> https://groups.google.com/d/msgid/pandoc-discuss/350f80e8-7767-4498-acf4-6e468d66770dn%40googlegroups.com
> .
>

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