[Rd] Acessing pdf help files (PR#13419)

Gabor Grothendieck ggrothendieck at gmail.com
Sat Dec 27 00:44:53 CET 2008

>From the Windows (not R) command line try this (the input you
type is after the > and the output is on the next line).  Modify
the ftype line appropriately if the output of assoc is different for you.

C:\tmp2>assoc .pdf

C:\tmp2>ftype AcroExch.Document
AcroExch.Document="C:\Program Files\Adobe\Reader 8.0\Reader\AcroRd32.exe" "%1"

On Wed, Dec 24, 2008 at 8:50 PM,  <marcthibault at tanda.on.ca> wrote:
> Full_Name: Marc Thibault
> Version: 2.8.1
> OS: Windows XP Pro SP2
> Submission from: (NULL) (
> I had Adobe Acrobat 5 and Adobe Reader 9 installed. The .pdf "open" association
> is to Reader.
> When I selected "Help | Manuals(in pdf) | An Introduction to R", it brought up
> the file in Acrobat instead of Reader. After making sure the default
> associations were correctly pointing to Reader, I took the extreme step of
> uninstalling Acrobat. Now when I try the same thing, R responds with "Error:
> access to 'doc\manual\R-intro.pdf' denied." Outside of R, double clicking the
> file brings it up in Reader as it should. Asking for HTML help works fine, so
> access to doc\ hasn't really been lost.
> It seems that R picks up a reference to the pdf reader at installation time,
> doesn't do it right, and refuses to let go. On the other hand, reinstalling R
> didn't fix the problem.
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