Hi:
I think I misread your intentions the first time. Is this more in line
with what you want?
f <- function(s) {
ssp <- unlist(strsplit(string, ""))
n <- length(ssp)
splits <- grep(' ', ssp)
sapply(splits, function(x) paste(ssp[-(1:x)], collapse = ""))
}
> f(string)
[1] "DEFG HIJKLM NOPQ RSTUV WXY" "HIJKLM NOPQ RSTUV WXY"
[3] "NOPQ RSTUV WXY" "RSTUV WXY"
[5] "WXY"
The function returns a vector of substrings rather than individual
substrings assigned to separate objects.
HTH,
Dennis
On Sat, Jun 18, 2011 at 1:36 AM, Vijayan Padmanabhan
<padmanabhan.vija...@gmail.com> wrote:
> Dear R Group
> Here is what i am trying to do.. but couldnt figure out how..
>
> string<-"ABC DEFG HIJKLM NOPQ RSTUV WXY"
> string1<-substr(string,1,4)
>
>
> I want to create an R object string 2 ( following the logic shown).. R does
> not allow string subtraction.. any suggestions how to achieve this?
>
>
> string2<-string-string1 (it should now hold "DEFG HIJKLM NOPQ RSTUV WXY"
>
> I want to loop this till i reach the end of the original string..
>
> stringn<-"WXY"
>
> Any help would be appreciated.
>
>
>
> Regards
> Vijayan Padmanabhan
>
> [[alternative HTML version deleted]]
>
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