ripley at stats.ox.ac.uk
2006-Apr-17 14:48 UTC
[Rd] (PR#8777) strsplit does [not] return correct value when
Please use a current version of R: we are at 2.3.0RC (and we do ask you not to report on obselete versions). What rule are you using, and where did you find it in the R documentation? In fact> strsplit("", " ")[[1]] character(0) which is not as you stated. This is a feature, as it distinct from> strsplit(" ", " ")[[1]] [1] "" Consider also> strsplit("", "")[[1]] character(0)> strsplit("a", "")[[1]] [1] "a"> strsplit("ab", "")[[1]] [1] "a" "b" On Mon, 17 Apr 2006, charles.dupont at vanderbilt.edu wrote:> Full_Name: Charles Dupont > Version: 2.2.0 > OS: linux > Submission from: (NULL) (160.129.129.136) > > > when > > strsplit("", " ") > > returns character(0) > > where as > > strsplit("a", " ") > > returns "a". > > these return values are not constiant with each other. > > Charles Dupont > > ______________________________________________ > R-devel at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > >-- Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595