On Fri, 18 Nov 2016, Helmut Kudrnovsky wrote:
Roger Bivand wrote
no idea at the moment if this change in env.bat has a side effect to the
winGRASS installation; further tests are needed.
See also
?"environment variables"
which on a Windows installation shows "R_USER" in the Windows specific
section at foot, this also loses /Documents within GRASS.
see my other mail where %HOME% is set by winGRASS-grass7xx.py
so it seems to be some kind of a "design mismatch" where eg. windows (via
%USERPROFILE) and python
C:\>python
Python 2.7.5 (default, May 15 2013, 22:44:16) [MSC v.1500 64 bit (AMD64)] on
win32
Type "help", "copyright", "credits" or "license" for more information.
import os
os.getenv('HOME')
'C:\\Users\\hkmyr'
os.getenv('HOMEPATH')
'\\Users\\hkmyr'
os.getenv('HOMEDRIVE')
'C:'
and R looks for %HOME%.
Right. Both R and Python seem to use %USERPROFILE% which is predictably
present in modern Windows. In winGRASS this is used to set %HOME%, which R
uses instead of %USERPROFILE%. R believes a set %HOME%, leading to the
difficulties.
Could the winGRASS startup set R_LIBS_USER itself, and free it on exit? If
the user had multiple /x.y library directories, the advice would be to set
manually in the control panel, if one, use that?
Roger
-----
best regards
Helmut
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Roger Bivand
Department of Economics, Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; fax +47 55 95 91 00
e-mail: roger.biv...@nhh.no
http://orcid.org/0000-0003-2392-6140
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