On Wed, 15 Nov 2006 05:00:28 -0000, Prof Brian Ripley <[EMAIL PROTECTED]> wrote:
> On Tue, 14 Nov 2006, Vladimir Dergachev wrote: > >> On Tuesday 14 November 2006 12:28 pm, Prof Brian Ripley wrote: >>> This approach won't work in very many cases (but then nor will >>> write.csv). >>> >>> The safest way I know is to use serialize() and unserialize(). Next to >>> that, deparse(control="all") and parse(text=) are quite good and give a >>> human-readable character representation. >>> >>> If fidelity is not the main issue, as.character and toString spring to >>> mind. unlist is recursive, and is not going to come close to being >>> faithful for other than very simple lists. And what if ',' is a >>> character >>> in one of the list elements? >> >> Yes, but then one can replace ',' with something rarely used like \007. >> I picked ',' because write.csv/read.csv worked before. > > But it quotes strings .... > >> You are right, for storage serialize/unserialize seem best, however for >> manipulation one would usually prefer a well-defined format. > > Thanks for the information, I think I am going to use the serialize/unserialize methods, which will mean I can't manipulate them outside R, but I can alter other parts of the project to accomodate this. Tom -- Dr. Thomas McCallum Systems Architect, Level E Limited ETTC, The King's Buildings Mayfield Road, Edinburgh EH9 3JL, UK Work +44 (0) 131 472 4813 Fax: +44 (0) 131 472 4719 http://www.levelelimited.com Email: [EMAIL PROTECTED] Level E is a limited company incorporated in Scotland. The c...{{dropped}} ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
