<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>I am using symbolic links</div><div><br></div><div><div><font face="Courier">lrwxr-xr-x 1 root wheel 11B Nov 23 23:11 otp -> otp_R15B02/</font></div><div><font face="Courier">drwxr-xr-x 4 root wheel 136B Nov 23 23:10 otp_R15B02</font></div></div><div><span style="font-family: Courier; ">drwxr-xr-x 4 root wheel 136B May 15 21:43 otp_R15B</span></div><div><span style="font-family: Courier; ">drwxr-xr-x 4 root wheel 136B Apr 10 19:25 otp_R14B02</span></div><div><br></div><div>otp is manually configured, complied and installed</div><div><br></div><div>- Dmitry</div><div><br></div><br><div><div>On Nov 29, 2012, at 3:33 PM, Tim Watson <<a href="mailto:watson.timothy@gmail.com">watson.timothy@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">I've used kerl to do this sometimes, and others just a simple shell script: <a href="https://github.com/hyperthunk/evm">https://github.com/hyperthunk/evm</a><br><br>On 29 Nov 2012, at 12:29, Fred Youhanaie wrote:<br><br><blockquote type="cite">Hi<br><br>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.<br><br>Once modules is installed and configured, you need to tell it about the various packages.<br><br>You need to install the various versions of the packages somewhere away from default paths, say, /opt/erlang-R15B02 and /opt/erlang-R15B03.<br>Once you have told modules about the versions, a sequence like the following is all you need during the normal course of your work:<br><br><span class="Apple-tab-span" style="white-space:pre"> </span>$ module add erlang/R15B02<span class="Apple-tab-span" style="white-space:pre"> </span># R15B02 is in PATH and MANPATH<br><span class="Apple-tab-span" style="white-space:pre"> </span>$ module rm erlang/R15B02<span class="Apple-tab-span" style="white-space:pre"> </span># R15B02 is out of the way<br><span class="Apple-tab-span" style="white-space:pre"> </span>$ module add erlang/R15B03<span class="Apple-tab-span" style="white-space:pre"> </span># R15B03<br><span class="Apple-tab-span" style="white-space:pre"> </span>$ module switch erlang/R15B02<span class="Apple-tab-span" style="white-space:pre"> </span># back to R15B02. R15B03 is out<br><br>See the web site for examples etc.<br><br>Cheers<br>Fred<br><br>[1] <a href="http://modules.sourceforge.net/">http://modules.sourceforge.net/</a><br><br>On 29/11/12 11:43, Lucky Khoza wrote:<br><blockquote type="cite">Hi Erlang Developers,<br><br>I'm actually using Software Mac OS X Lion 10.7.5 (11G63) to run UNIX OS,<br>and I have already installed version of Erlang R15B02 (erts-5.9.2) using<br>homebrew, however my question is: how possible is that to install different<br>versions [R12N-5-1, R13B04-0, R14A-0, R14A-0, R14B01-1] of Erlang in same<br>UNIX OS? And how do I go about doing that? or Should I create new folder<br>for each version in order to switch amongst them because we have systems<br>that are written with different versions of Erlang.<br><br>Your help is much appreciated.<br><br>Kindest Regards<br>Lucky<br><br><br><br>_______________________________________________<br>erlang-questions mailing list<br><a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>http://erlang.org/mailman/listinfo/erlang-questions<br><br></blockquote>_______________________________________________<br>erlang-questions mailing list<br><a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>http://erlang.org/mailman/listinfo/erlang-questions<br></blockquote><br>_______________________________________________<br>erlang-questions mailing list<br><a href="mailto:erlang-questions@erlang.org">erlang-questions@erlang.org</a><br>http://erlang.org/mailman/listinfo/erlang-questions<br></blockquote></div><br></body></html>