- **summary**: support multiple installed R backends --> IMPLEMENTED: support
multiple installed R backends
- **status**: accepted --> closed
---
** [feature-requests:#97] IMPLEMENTED: support multiple installed R backends**
**Status:** closed
**Group:** -------
**Labels:** General
**Created:** Thu Apr 21, 2011 07:18 AM UTC by Anonymous
**Last Updated:** Tue Jan 05, 2016 01:59 PM UTC
**Owner:** nobody
Hi
First of all thank you for this wonderful program- it is a very nice piece of
software.
Not sure if this is interesting to someone else, but I usually work with
several different R installs in the same machine, so that I can keep
compatibility with some specific packages \(mainly related to Bioconductor\).
Usually rkward is bound to one backend and changing that may be quite
problematic \(unless I am missing something\). Recently I hacked the rkward
script to be able to specify the R backend on start. Obviously this needs the
proper version of the corresponding rkward R package to be installed in that R
install, so implementing this feature mainstream may be more problematic than
in my use case. Below is the corresponding piece of code. If this is
implemented in the official package it may require some changes, like instead
of calling error\(\) when no --rbinary option is passed trying first the
R\_binary variable that is generated during compilation, so that it can work
for regular users with only one version of R installed.
Thank you for the hard work\!
Cheers
Diego
if \[ "$\{1\}" = "--rbinary" \]; then
shift
if \[ -z "$\{1\}" \]; then
error "option '--rbinary' requires an argument"
else
R\_binary=$\{1\}
shift
fi
else
error "option '--rbinary' must be specified"
fi
export R\_binary
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