[R] strings

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Wed Oct 4 11:26:56 CEST 2000


Kurt Hornik <Kurt.Hornik at ci.tuwien.ac.at> writes:

> > which reminds me that I've had a desire for something like
> > the old S function  [from the blue book, and library(examples) I think]
> >     ichar(ch)
> > which would return a vector of integers, each the (decimal) equivalent of
> > the (ISO-latin1) representation of the corresponding characters in ch.
> 
> > This should be easy enough (and be done in C).  Any volunteers?
> 
> That should not be hard to copy from toupper().  For a character vector
> it would give a list of integer vectors?
> 
> However, I don't think we want ISO-latin-1 hard-wired ...

Wiring what is already wired (i.e. using the current representation)
would seem OK (um, assuming it's 8-bit).

I actually wanted the reverse operation (integers to string) a few days
ago in order to check the new stringizer for tcltk.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
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