# [NTG-context] total pages in external PDF

Hans Hagen pragma at wxs.nl
Wed Feb 25 22:45:12 CET 2015

On 2/25/2015 6:41 PM, Pablo Rodriguez wrote:
> Dear list,
>
> I need to get the number of pages from an external PDF file that I also
> define with an \env.
>
> I think I could get something like this.:
>
>      \def\Myfilename{\env{filename}}
>      doc = epdf.open(arg[\MyFilename])
>      total_pages_ =  doc:getNumPages()
>      \def\Mypages{total_pages}
>
> But mixing both lua and ConTeXt commands the wrong way won’t work.
>
> Sorry, but this is all Greek to me. Although I see how it could be done,
> I cannot write the code for this.
>
> Which is the right way to get the code above working?

\getfiguredimensions[whatever.pdf] \noffigurepages

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