Take a look in ?Sys.setenv
On Thu, Oct 28, 2010 at 12:21 PM, Robert M. Flight <rfligh...@gmail.com>wrote: > Hi All, > > I am developing a package that requires information about the location > of a set of files that will be used often in the calculations. In my > current version, I define the location in the main file that calls all > the subfunctions. This works fine when you are installing from source, > but will not work so well if I want people to be able to install > binary versions of the package. Therefore, I think the best way to > encode the information would be through the use of an environment > variable, that could then be read by "Sys.getenv(VARIABLE)" when the > function is called. > > In the help, I found a few different ways to set environment > variables, but the easiest way (from my reading anyways) seemed to be > by creating the file "Renviron.site" in the R_HOME/etc directory and > adding the variable there. I am interested in opinions from the list, > or other suggestions on how to do this. > > For those who are interested, the package does a lot of parsing of > KEGG KGML files, and to speed up calculations I offer advice that they > should download a copy of the KGML directory for their organism to > their local machine, and I want the package to know where those files > are at runtime. > > Thanks in advance, > > -Robert > > Robert M. Flight, Ph.D. > University of Louisville Bioinformatics Laboratory > University of Louisville > Louisville, KY > > PH 502-852-0467 > EM robert.fli...@louisville.edu > EM rfligh...@gmail.com > > Williams and Holland's Law: > If enough data is collected, anything may be proven by > statistical methods. > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.
