readRenviron  Set Environment Variables from a File 
 Description
Read as file such as ‘.Renviron’ or ‘Renviron.site’ in the format described in the help for Startup, and set environment variables as defined in the file.
Usage
readRenviron(path)
Arguments
| path | A length-one character vector giving the path to the file. Tilde-expansion is performed where supported. | 
Value
Scalar logical indicating if the file was read successfully. Returned invisibly. If the file cannot be opened for reading, a warning is given.
See Also
Startup for the file format. 
Examples
## Not run: 
## re-read a startup file (or read it in a vanilla session)
readRenviron("~/.Renviron")
## End(Not run)
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.