Here are two ways that do not use any packages: s <- paste(letters, collapse = "") # test input
substring(s, first, last) ## [1] "abcde" "fghij" "klmnopqrs" read.fwf(textConnection(s), last - first + 1) ## V1 V2 V3 ## 1 abcde fghij klmnopqrs On Wed, May 11, 2016 at 4:12 PM, Jan Kacaba <jan.kac...@gmail.com> wrote: > Dear R-help > > I would like to split long string at specified precomputed positions. > 'substring' needs beginings and ends. Is there a native function which > accepts positions so I don't have to count second argument? > > For example I have vector of possitions pos<-c(5,10,19). Substring > needs input first=c(1,6,11) and last=c(5,10,19). There is no problem > to write my own function. Just asking. > > Derek > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
