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

[CALUM POLWART]

You could easily omit the Page X of xX, but leave the timestamp

Then add Page X of XX programmatically using pdftools or some similar pdf
command line tools.

On Sat, 2 Dec 2023, 22:35 , <avi.e.gross using gmail.com> wrote:

> Having read all of the replies, it seems there are solutions for the
> question and the OP points out that some solutions such as making the
> document twice will affect the creation date.
>
> I suspect the additional time to do so is seconds or at most minutes so it
> may not be a big deal.
>
> But what about the idea of creating a PDF with a placeholder like "Page N
> of
> XXX" and after the file has been created, dates and all, perhaps edit it
> programmatically and replace all instances of XXX with something of the
> same
> length like " 23" as there seem to be tools like the pdftools package that
> let you get the number of pages. I have no idea if some program, perhaps
> external, can do that and retain the date you want.
>
> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of Dennis Fisher
> Sent: Friday, December 1, 2023 3:53 PM
> To: r-help using r-project.org
> Subject: [R] adding "Page X of XX" to PDFs
>
> 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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