[Rd] Re: Default value for title in postscript()
Patrick Connolly
p.connolly at hortresearch.co.nz
Thu Apr 24 10:28:49 MEST 2003
On Wed, 23-Apr-2003 at 09:52AM +0200, Martin Maechler wrote:
|>
|> [ This really should have gone to R-devel instead of R-help.
|> I'm now diverting -- and please leave off "R-help" when replying again.
|> ]
|>
|> >>>>> "PaCo" == Patrick Connolly <p.connolly at hortresearch.co.nz>
|> >>>>> on Wed, 23 Apr 2003 10:08:00 +1200 writes:
|> PaCo> My question is: What is the tidiest way of doing such
|> PaCo> a thing? Should I make a private function that calls
|> PaCo> the standard postscript function,
|>
|> yes, your own function calling the standard high-level postscript(),
|> not some low-level {.Internal(), .Call(), .C() or .For..... } --
|> these all may be changed "without notice" !}
|>
|> PaCo> or should I go the whole hog and make an S4 type method to handle it?
|>
|> PaCo> Or would it be simpler for the standard function to be changed
|>
|> certainly simpler for you.. ;-)
|>
|> I tend to agree that a change might be useful --
|> For the new default, I'd actually go further and propose
|> something like (when file = "Rplots.ps")
|>
|> "Rplots.ps [from R 1.7.0]"
Sounds like a good idea though I always specify a file name myself.
|>
|> PaCo> (assuming, of course, there aren't good reasons
|> PaCo> against doing that)?
|>
|> Unfortunately, there's a good reason: back-compatibility.
|> In spite of that, I do advocate a change.
In general, back-compatibility is important, but in this case, who
would be inconvenienced by not having the same '%%Title:' line in all
their postscript files? Someone more experienced might be able to
imagine a case. I can't.
I was toying with the idea of setting up a perl script that would run
through all my postscript files and change the %%Title: line so I can
tell what file I'm looking at with ghostview. It won't be necessary
with any new ones, so I'll probably do some of the other things I
haven't got round to instead.
best
--
Patrick Connolly
HortResearch
Mt Albert
Auckland
New Zealand
Ph: +64-9 815 4200 x 7188
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