Sys.setenv

If you searched for help on <code>Sys.setenv()</code> but got this page
  instead, you are most likely running R v2.5.0 or newer.  Then, see
  the above link or <code>help(Sys.setenv, package="base")</code>.

  The reason for adding the same to this package is that in R v2.4.x only
  <code>Sys.putenv()</code> is available.  To make this package work on both
  system, <code>Sys.setenv()</code> is set to <code>Sys.putenv()</code> on R v2.4.x
  and needs to be document in order for the package to pass the tests.

internal

documentation

This package provides utility classes and methods useful
        when programming in R and developing R packages.

Sys.setenv: Sys.setenv

Description

Arguments