I cannot reproduce a crash from within the experimental 64 bit GUI in Leapard using any of that input.

I am copying the R-SIG-Mac list which I think is the appropriate venue.

You say you are using OS X 10.5.6 but your R.version info says it is a Tiger 10.4.11.1 system. Looking at the CRAN package check page I see that the CRAN build is done on an OS X 10.4.10 machine, which is only off my one from the 8.11.1 designation, so maybe someone forgot to update that entry when they updated that machine.

(Your version is even older than mine, so you might try updating.)

--
David Winsemius

> sessionInfo()
R version 2.8.1 Patched (2009-01-07 r47515)
i386-apple-darwin9.6.0

locale:
en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] latticeExtra_0.5-4 RColorBrewer_1.0-2 lattice_0.17-20

loaded via a namespace (and not attached):
[1] grid_2.8.1

> R.version
               _
platform       i386-apple-darwin9.6.0
arch           i386
os             darwin9.6.0
system         i386, darwin9.6.0
status         Patched
major          2
minor          8.1
year           2009
month          01
day            07
svn rev        47515
language       R
version.string R version 2.8.1 Patched (2009-01-07 r47515)


On Feb 27, 2009, at 11:07 AM, Adelchi Azzalini wrote:


If I define this function

R> ask <-  function (message = "Type in datum")
              eval(parse(prompt = paste(message, ": ", sep = "")))

the following is produced as expected on a Linux/debian machine

R> ask("input")
input: 3
[1] 3
R> ask("input")
input: 3:6
[1] 3 4 5 6
R> ask("input")
input: c(3,6)
[1] 3 6

If I run exactly the same on a Mac (OS X 10.5.6), it still works
provided R is run in a Terminal window.

The outcome changes if R is run in "its own window", started by clicking on its icon; the first two examples are still Ok, the third one produces:


*** caught segfault ***
address 0x4628c854, cause 'memory not mapped'


R> sessionInfo()  # before crash!
R version 2.8.1 (2008-12-22)
i386-apple-darwin8.11.1

locale:
en_GB.UTF-8/en_GB.UTF-8/C/C/en_GB.UTF-8/en_GB.UTF-8

attached base packages:
[1] stats     utils     datasets  grDevices graphics  methods   base
R> R.version
              _
               platform       i386-apple-darwin8.11.1
               arch           i386
               os             darwin8.11.1
               system         i386, darwin8.11.1
               status
               major          2
               minor          8.1
               year           2008
               month          12
               day            22
               svn rev        47281
               language       R
               version.string R version 2.8.1 (2008-12-22)
        


--
Adelchi Azzalini  <azzal...@stat.unipd.it>
Dipart.Scienze Statistiche, Università di Padova, Italia
tel. +39 049 8274147,  http://azzalini.stat.unipd.it/

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