How about: unlist(strsplit(x, split=" "))[c(4:5,10)]
That perl script looks like a good reason to avoid perl. Simon. On Fri, 2008-08-01 at 15:13 +0900, Edward Wijaya wrote: > Hi, > > I have this string, in which I want to extract some of it's element: > > > x <- "Best-K Gene 11340 211952_at RANBP5 Noc= 3 - 2 LL= -963.669 -965.35" > > yielding this array > > [1] "211952_at" "RANBP5" "2" > > > > In Perl we would do it this way: > > __BEGIN__ > my @needed =(); > my $str = "Best-K Gene 11340 211952_at RANBP5 Noc= 3 - 2 LL= > -963.669 -965.35"; > $str =~ /Best-K Gene \d+ (\w+) (\w+) Noc= \d - (\d) LL= (.*)/; > push @needed, ($1,$2,$3); > __END___ > > How can we achieve this with R? > > - E.W. > > ______________________________________________ > 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. -- Simon Blomberg, BSc (Hons), PhD, MAppStat. Lecturer and Consultant Statistician Faculty of Biological and Chemical Sciences The University of Queensland St. Lucia Queensland 4072 Australia Room 320 Goddard Building (8) T: +61 7 3365 2506 http://www.uq.edu.au/~uqsblomb email: S.Blomberg1_at_uq.edu.au Policies: 1. I will NOT analyse your data for you. 2. Your deadline is your problem. The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. - John Tukey. ______________________________________________ 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.
