On 21.11.2011 01:32, Jonathan Greenberg wrote:
This is a follow-up to a question I asked a few years back. We have a pair
of computers that share a common home directory (and therefor a common
.Renviron) with identical hardware, but very different sets of libraries
such that using a "shared" R_LIBS between two computers does not work.
They both use this as the default library for user installations:
'~/R/x86_64-pc-linux-gnu-library/2.13'
I would like to mod the .Renviron in such a way so
'~/R/hostname-1/x86_64-pc-linux-gnu-library/2.13'
'~/R/hostname-2/x86_64-pc-linux-gnu-library/2.13'
How can I modify my R_LIBS_USER in the .Renviron to match this? The
hostname would need to be "dynamically" set based on which computer I log
into, but I tried something like this:
R_LIBS_USER="~/lib/R/library/"$HOSTNAME"_%p_%a_%o_R%V"
Depends on the shells you are using and where it is defined, but you
definitely need braces rather than quotes as in:
R_LIBS_USER="~/lib/R/library/${HOSTNAME}"
and I have to
export HOSTNAME ${HOSTNAME}
at first on the machines I am using to have it accessible for R.
Best,
Uwe Ligges
and R did not resolve the $HOSTNAME environment variable even though I can
(from bash) echo $HOSTNAME and it return the correct name.
Thoughts? Thanks!
--j
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