On Wed, 2010-07-14 at 12:13 +0200, Trafim Vanishek wrote:
> Dear all,
>
> Are there any functions in R to reverse the order of the string.
> smth like reverse("abc") to get "cba"?
> paste(rev(strsplit("abc", split = "")[[1]]), collapse = "")
[1] "cba"
If your real data is a vector of strings to reverse then
strings <- c("abc","abc","abc")
sapply(strsplit(strings, split = ""),
function(str) {paste(rev(str), collapse = "")})
is one way to do this.
HTH
G
--
%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
Dr. Gavin Simpson [t] +44 (0)20 7679 0522
ECRC, UCL Geography, [f] +44 (0)20 7679 0565
Pearson Building, [e] gavin.simpsonATNOSPAMucl.ac.uk
Gower Street, London [w] http://www.ucl.ac.uk/~ucfagls/
UK. WC1E 6BT. [w] http://www.freshwaters.org.uk
%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
