[R] change location of temporary files

William Dunlap wdunlap at tibco.com
Fri Feb 23 22:55:43 CET 2018

Does setting the environment variable TMPDIR, before starting R,
to a directory on a bigger file system help?  On Linux I get

  % mkdir /tmp/RTMP-BILL
  % env TMPDIR=/tmp/RTMP-BILL R --quiet --vanilla
  > tempdir()
  [1] "/tmp/RTMP-BILL/Rtmppgowz4"
  > tempfile()
  [1] "/tmp/RTMP-BILL/Rtmppgowz4/file7ce36ec5cb1e"

I don't know if there is an R-specific environment variable or startup
flag for this.

Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Fri, Feb 23, 2018 at 10:52 AM, Kumar Mainali <kpmainali at gmail.com> wrote:

> I would like to change where R stores the temporary files to my external
> hard drive in my iMac. This is important because the temporary files R
> creates are huge and I do not have enough available space in my internal
> HD. Again, this is for macOS.
> This change has to be temporary. Later I need to use the usual location for
> temp files in the internal HD.
> Thanks in advance,
> Kumar Mainali
> --
> Postdoctoral Associate
> Department of Biology
> University of Maryland, College Park
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