How about dput and dget in the base package? -- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111
> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Rainer M Krug > Sent: Monday, January 10, 2011 7:24 AM > To: R-help > Subject: [R] write.table equivalent for lists? > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi > > I am writing simulations in R, and quite regularly, I have to save > lists > and objects to HDD and load it later again. > > So I am wondering: why is there no function to write lists (and S3, S4 > objects) onto HDD WITHOUT keeping the name? What I mean is: > > For data.frames I can use > > x <- data.frame(x = runif(10)) > write.table(x, "x.txt) > rm(x) > > y <- read.table("x.txt") > > to load it into y. > > But for lists and S3, S4 objects, I have to use save() and load(): > > x <- list(x=1:10, y=letters(1:10)) > save(x, file="x.rdata") > rm(x) > > load("x.rdata") #1 > y <- x #2 > rm(x) #3 > > to load it into y. > I don't mind the binary of save - what I am really missing is a command > which combines lines #1, #2 and #3. > > I know - I could write my own > > save.list <- function(x, file) { > save(s, file=file) > } > > load.list <- function(file) { > load(file) > return(x) > } > > which I could then use as: > > x <- list(x=1:10, y=letters(1:10)) > save.list(x, "test.rdata") > > rm(x) > > y <- load.list("test.rdata") > > but: why is there not such a function? Am I missing something here? > > Cheers, > > Rainer > > - -- > Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation > Biology, UCT), Dipl. Phys. (Germany) > > Centre of Excellence for Invasion Biology > Natural Sciences Building > Office Suite 2039 > Stellenbosch University > Main Campus, Merriman Avenue > Stellenbosch > South Africa > > Tel: +33 - (0)9 53 10 27 44 > Cell: +27 - (0)8 39 47 90 42 > Fax (SA): +27 - (0)8 65 16 27 82 > Fax (D) : +49 - (0)3 21 21 25 22 44 > Fax (FR): +33 - (0)9 58 10 27 44 > email: rai...@krugs.de > > Skype: RMkrug > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk0rFocACgkQoYgNqgF2egoLMgCfQmZFnLx4Olkb55DtLKmuRXYY > yvoAnieTY3/CsGM9pqyoownLxgeuaDrd > =VOFu > -----END PGP SIGNATURE----- > > ______________________________________________ > 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. ______________________________________________ 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.