[R] Solve for "Please set TMPDIR to a valid temporary directory"

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From: aedin culhane (aedin.culhane@ucd.ie)
Date: Tue 11 May 2004 - 00:09:05 EST


Message-id: <4858782.1084198145953.JavaMail.aedin.culhane@ucd.ie>

Dear R Help,
My apologies if this is widely known, but I didn't find this in the R
archives.

I am running WinXP pro and R 1.90. Rcmd build or check fails with the
error: "Please set TMPDIR to a valid temporary directory"

$TMPDIR is set to $TMPDIR or C:/TEMP in share\perl\R\Var.pm. TMPDIR or
c:\temp do not exist on WinXP on my laptop. I have C:\WUTemp and the
env variables $TMP and $TEMP are set (..Is this normal?).

The two work arounds I found are to create a C:\temp directory, or
include $TMP or $TEMP in Var.pm. I did the latter, and it works for me.
I include the fix below.

if($OSTYPE eq "windows"){
    ## DON'T add R_HOME/bin here: it might contain spaces and will not
    ## work using system() under Windows 98.
    $R_EXE = "Rterm.exe";
    $R_CMD = "Rcmd.exe";
    getenv("TMPDIR", "TMP", "TEMP", "C:/TEMP"); # Edited to include TMP
and TEMP
    print "tmpdir is $TMPDIR\n"; # Edited to include print
    if (-d $TMPDIR) {
        $TMPDIR = Win32::GetShortPathName($TMPDIR) if $TMPDIR =~ / /;
        $TMPDIR =~ s+\\+/+g; ## ensure forward slashes only
    } else {
        $TMPDIR = ""
    }
}

> version
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 1
minor 9.0
year 2004
month 04
day 12
language R

Regards
Aedin

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