On Mon, 22 Aug 2022, Jethro Djan via ntg-context wrote:
>
> Thanks for the solution Pablo. It works well.
>
> I wanted to add more pdfs (which also has many pages) and found it was easier
> for me to reason in the lua side of things. This is what I have at the moment:
>
> \starttext
> \startluacode
> local function doc(fil)
> return fil..[[.pdf]]
> end
>
> local function disppdf(fname)
> n = 1
> repeat
> context.externalfigure({fname},{
> page = n,
> width = "200mm",
> scale = "950"
> })
> n = n + 1
> until n == context(context.noffigurepages)
> end
>
> local pdffiles = {"ass1", "ass2", "ass3", "ass4", "ass5", "ass6", "ass7",
> "ass8"}
> for index=1,#pdffiles do
> local f = doc(pdffiles[index])
> context.getfiguredimensions({f})
> disppdf(pdffiles[index])
> end
> \stopluacode
> \stoptext
>
> I didn’t know how to get an array (or indexed table or whatever you call it)
> in ConTeXt/Tex. My problem is now with context(context.noffigurepages). It
> doesn’t produce an integer so n is being compared to nil. Am I calling it
> wrong? All I want to do is call \noffigurepages from the lua side. Is there
> something I am missing?
For a more low-level interface to finding the number of pages, see:
https://adityam.github.io/context-blog/post/include-multi-page-pdf/
Aditya
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