Thanks. I had not realsed there were relative paths until Sarah mentioned them.
It's working now: see my post to Sarah. John Kane Kingston ON Canada > -----Original Message----- > From: jdnew...@dcn.davis.ca.us > Sent: Thu, 03 May 2012 09:30:10 -0700 > To: jrkrid...@inbox.com, r-help@r-project.org > Subject: Re: [R] Cannot read or write to file in Linux Ubuntu > > All of your tests are with relative paths. Use getwd() identify your > starting directory, and if it isn't you can use setwd() to start in the > right place. > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go > Live... > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live > Go... > Live: OO#.. Dead: OO#.. Playing > Research Engineer (Solar/Batteries O.O#. #.O#. with > /Software/Embedded Controllers) .OO#. .OO#. > rocks...1k > --------------------------------------------------------------------------- > Sent from my phone. Please excuse my brevity. > > John Kane <jrkrid...@inbox.com> wrote: > > >I am the proud owner of a new laptop since my old one died the other > >day. > >Currently I have a dual-boot Windows 7 Home and Ubuntu 12.04 . I'll > >leave the Windows problems for another post. >> > >I know practically nothing about Linux so I am probably doing something > >stupid but ... at the moment I cannot seem read or write files in > >Ubuntu. I am not having any problem saving other documents to the > >hard drive and R , from my few simple tests, seems to be working okay > >otherwise. >> > >At the moment I am trying : >> > >mydata <- read.csv("DATA/media/DATA/rdata/tt1.csv", header = TRUE) >> or > >mydata <- read.csv("DATA/rdata/tt1.csv", header = TRUE) >> >> > >where tt1.csv is a text file on what, from my reading of the path > >listed in gedit is > >DATA/media/DATA/rdata >> > >The csv data is simply: > >aa, bb > >2, 3 > >4, 5 >> > >What happens: > >------------------------------------------------------------------------------- > >1> mydata <- read.csv("DATA/rdata/tt1.csv", header = TRUE) > >Error in file(file, "rt") : cannot open the connection > >In addition: Warning message: > >In file(file, "rt") : >> cannot open file 'DATA/rdata/tt1.csv': No such file or directory >> > >Am I totally screwing up the path? Or doing something else equally > >stupid? >> > >BTW I realise that 2.15 is out but Ubuntu as of yesterday did not have > >it in the repositories and I have yet to figure out how to install it > >from a CRAN site. >> > >1> sessionInfo() > >R version 2.14.1 (2011-12-22) > >Platform: i686-pc-linux-gnu (32-bit) >> > >locale: >> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C >> [3] LC_TIME=en_CA.UTF-8 LC_COLLATE=en_US.UTF-8 >> [5] LC_MONETARY=en_CA.UTF-8 LC_MESSAGES=en_US.UTF-8 >> [7] LC_PAPER=C LC_NAME=C >> [9] LC_ADDRESS=C LC_TELEPHONE=C > >[11] LC_MEASUREMENT=en_CA.UTF-8 LC_IDENTIFICATION=C >> > >attached base packages: > >[1] stats graphics grDevices utils datasets methods base >> >> > >John Kane > >Kingston ON Canada >> > >____________________________________________________________ > >FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! >> > >______________________________________________ > >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. ____________________________________________________________ FREE 3D MARINE AQUARIUM SCREENSAVER - Watch dolphins, sharks & orcas on your desktop! ______________________________________________ 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.