[R] How to use character in C code?

Suzen, Mehmet msuzen at gmail.com
Sat May 11 02:57:27 CEST 2013


You may want to use C++ instead using Rcpp which string handling would
be easier:
http://gallery.rcpp.org/articles/strings_with_rcpp/


On 10 May 2013 15:51, cgenolin <cgenolin at u-paris10.fr> wrote:
> Hi the list,
> I include some C code in a R function using .C. The argument is a character.
> I find how to acces to the characters one by one:
>
> --- 8< --- C ------------
> void dealWithCharacter(char **chaine, int *size){
>   int i=0;
>   for(i=0;i<*size;i++){
>     Rprintf("Le caractere %i est %c\n",i,chaine[0][i]);
>   };
> }
> --- 8< ------ R ---------
> ch <- "zerta"
> .C("dealWithCharacter",as.character(ch),as.integer(nchar(ch)))
> --- 8< ------------------
>
> But is it possible to acces to the full word at once?
>
> Christophe
>
>
>
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