[erlang-questions] Erlang Different Versions

Tim Watson <>
Thu Nov 29 14:33:50 CET 2012


I've used kerl to do this sometimes, and others just a simple shell script: https://github.com/hyperthunk/evm

On 29 Nov 2012, at 12:29, Fred Youhanaie wrote:

> Hi
> 
> I have been using modules[1] for a number of years now, for erlang/otp and other packages. Initial configuration of modules is a little involved, but it pays dividends once you're up and running. It works fine for Linux, I think Mac OS X should be OK too.
> 
> Once modules is installed and configured, you need to tell it about the various packages.
> 
> You need to install the various versions of the packages somewhere away from default paths, say, /opt/erlang-R15B02 and /opt/erlang-R15B03.
> Once you have told modules about the versions, a sequence like the following is all you need during the normal course of your work:
> 
> 	$ module add erlang/R15B02	# R15B02 is in PATH and MANPATH
> 	$ module rm erlang/R15B02	# R15B02 is out of the way
> 	$ module add erlang/R15B03	# R15B03
> 	$ module switch erlang/R15B02	# back to R15B02. R15B03 is out
> 
> See the web site for examples etc.
> 
> Cheers
> Fred
> 
> [1] http://modules.sourceforge.net/
> 
> On 29/11/12 11:43, Lucky Khoza wrote:
>> Hi Erlang Developers,
>> 
>> I'm actually using Software  Mac OS X Lion 10.7.5 (11G63) to run UNIX OS,
>> and I have already installed version of Erlang R15B02 (erts-5.9.2) using
>> homebrew, however my question is: how possible is that to install different
>> versions [R12N-5-1, R13B04-0, R14A-0, R14A-0, R14B01-1] of Erlang in same
>> UNIX OS? And how do I go about doing that? or Should I create new folder
>> for each version in order to switch amongst them because we have systems
>> that are written with different versions of Erlang.
>> 
>> Your help is much appreciated.
>> 
>> Kindest Regards
>> Lucky
>> 
>> 
>> 
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