Thanks for the report. BTW, this is not new in 2.5.0 alpha AFAICS.
It needs a tiny change in the C function readRaw: fixed in SVN now.
On Sat, 7 Apr 2007, Henrik Bengtsson wrote:
> FYI, in R v2.5.0 alpha, readBin() can be used to read beyond end of raw
vector:
>
>> bfr <- as.raw(1:10)
>> readBin(con=bfr, what="raw", n=20)
> [1] 01 02 03 04 05 06 07 08 09 0a
>
>> readBin(con=bfr, what="integer", n=20)
> [1] 67305985 134678021
>
>> readBin(con=bfr, what="integer", size=4, n=20)
> [1] 67305985 134678021
>
>> readBin(con=bfr, what="integer", size=2, n=20)
> [1] 513 1027 1541 2055 2569 29537 29541 0 9 16384
> [11] 9376 453 -18208 505 -18328 505 9 0 0 0
>
>> readBin(con=bfr, what="integer", size=1, n=20)
> [1] 1 2 3 4 5 6 7 8 9 10 97 115 101 115 0 0 9 0
0
> [20] 64
>
>> sessionInfo()
> R version 2.5.0 alpha (2007-04-04 r41043)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MON
> ETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United
States.1252
>
>
> attached base packages:
> [1] "stats" "graphics" "grDevices"
"utils" "datasets" "methods"
> [7] "base"
>
> /Henrik
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595