concatfun <- function(...) { Reduce(f=function(a,b){ a[names(b)] <- b ; a },x=list(...), init=list()) }
Bill Dunlap TIBCO Software wdunlap tibco.com On Tue, Jul 19, 2016 at 9:34 AM, Luca Cerone <luca.cer...@gmail.com> wrote: > Dear all, > I would like to know if there is a function to concatenate two lists > while replacing elements with the same name. > > For example: > > x <- list(a=1,b=2,c=3) > y <- list( b=4, d=5) > z <- list(a = 6, b = 8, e= 7) > > I am looking for a function "concatfun" so that > > u <- concatfun(x,y,z) > > returns: > > u$a=6 > u$b=8 > u$c=3 > u$d=5 > u$e=7 > > I.e. it combines the 3 lists, but when names have the same value it > keeps the most recent one. > > Does such a function exists? > > Thanks for the help, > > Cheers, > Luca > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.