[R] adding "Page X of XX" to PDFs

[CALUM POLWART]

Can you provide a very simplified version of how the PDF is created?



On Sat, 2 Dec 2023, 14:39 Dennis Fisher, <fisher using plessthan.com> wrote:

> OS X
> R 4.3.1
>
> Colleagues
>
> I often create multipage PDFs [pdf()] in which the text "Page X" appears
> in the margin.  These PDFs are created automatically using a massive R
> script.
>
> One of my clients requested that I change this to:
>         Page X of XX
> where XX is the total number of pages.
>
> I don't know the number of expected pages so I can't think of any clever
> way to do this.  I suppose that I could create the PDF, find out the number
> of pages, then have a second pass in which the R script was fed the number
> of pages.  However, there is one disadvantage to this -- the original PDF
> contains a timestamp on each page -- the new version would have a different
> timestamp -- so I would prefer to not use this approach.
>
> Has anyone thought of some terribly clever way to solve this problem?
>
> Dennis
>
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone / Fax: 1-866-PLessThan (1-866-753-7784)
> www.PLessThan.com
>
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