Notice the // in the path /Users/glaziou/Library/R/maps/mapdata//world.N
Some Windows filesystems do not like that, and my guess is that some MacOS X ones may not either. On Wed, 5 Nov 2003, Philippe Glaziou wrote: > Hi, > > I installed the maps and mapdata libraries on my R-1.8.0 on > MacOSX 10.2.8 (jaguar on a powerbook G4), and failed to make the > map function work properly: > > > R : Copyright 2003, The R Development Core Team > Version 1.8.0 (2003-10-08) > [...] > > > library(maps) > > map() > Error in file(file, "r") : unable to open connection > In addition: Warning message: > cannot open file `/Users/glaziou/Library/R/maps/mapdata//world.N' > > map('usa') > Error in file(file, "r") : unable to open connection > In addition: Warning message: > cannot open file `/Users/glaziou/Library/R/maps/mapdata//usa.N' > > system('ls -l /Users/glaziou/Library/R/maps/mapdata') > total 1796 > -rw-r--r-- 1 root staff 143902 Oct 14 11:30 county.G > -rw-r--r-- 1 root staff 690260 Oct 14 11:30 county.L > -rw-r--r-- 1 root staff 618 Oct 14 11:30 nz.G > -rw-r--r-- 1 root staff 13040 Oct 14 11:30 nz.L > -rw-r--r-- 1 root staff 2642 Oct 14 11:30 state.G > -rw-r--r-- 1 root staff 96892 Oct 14 11:30 state.L > -rw-r--r-- 1 root staff 282 Oct 14 11:30 usa.G > -rw-r--r-- 1 root staff 58232 Oct 14 11:30 usa.L > -rw-r--r-- 1 root staff 74434 Oct 14 11:30 world.G > -rw-r--r-- 1 root staff 295152 Oct 14 11:30 world.L > -rw-r--r-- 1 root staff 74434 Oct 14 11:30 world2.G > -rw-r--r-- 1 root staff 295152 Oct 14 11:30 world2.L > -rw-r--r-- 1 root staff 54832 Oct 14 11:30 world2.N > > Most of contributed libraries are installed in ~/Library/R > because I am the only user of that mac and this simplifies > backup. I checked the access rights of relevant files and > directories and they all seem correct (these are owned by root > but are world readable and directories are world cd'able). > Compilation of both libraries maps and mapdata went ok. I have > the same libraries installed on a linux server where they work > perfectly well. > > A similar error message occurs whether R is started in an xterm, > within emacs/ESS on X11, or using the RAqua interface. > > Any hint appreciated, > > -- > Philippe Glaziou > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > > -- Brian D. Ripley, [EMAIL PROTECTED] 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 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help