[Rd] postscript bug? (PR#9803)

[Peter Dalgaard]

s.blomberg1 at uq.edu.au wrote:
> postscript() produces files that are not encoded as eps, according to
> the standard. Hence, word processors such as OpenOffice and AbiWord do
> not recognise the files as eps. See
> http://www.postscript.org/FAQs/language/node80.html
>
> The problem is in the first line of the postscript file: The header is
> wrong. It should be:
>
> %!PS-Adobe-3.0 EPSF-3.0
>
> whereas postscript() produces:
>
> %!PS-Adobe-3.0
>
> The following code replicates the problem:
>
> x <- rnorm(10)
> y <- rnorm(10)
> postscript("test.eps")
> plot(x,y)
> dev.off()
>
> # Now try importing test.eps into your favorite word processor.
>
> # Now edit test.eps and change the header to the correct header above, 
> and try importing the file again. Works! (This took me a couple of hours
> of hair-pulling to figure out. I sure hope it is a genuine bug. :-) )
>   
It isn't a bug. It is as it should be, because a plot file with multiple
pages cannot be EPS.

Try reading the help page for postscript again, this time ( ;-) ) paying
attention to the 'onefile' argument.

-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
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