On Fri, 2015-01-23 at 22:48 +0800, Chi Hsuan Yen wrote: > On 23 January 2015 at 22:07, Martti Kühne <mysatyre@xxxxxxxxx> wrote: > > > On Fri, Jan 23, 2015 at 2:51 PM, Chi Hsuan Yen <yan12125@xxxxxxxxx> wrote: > > > Dear Arch enthusiasts, > > > > > > The package extra/java-runtime-common provides a convenient script > > > archlinux-java to handle co-existing JDK/JRE versions. I can use it to > > > switch between different versions of java implementations to accomplish > > > numerous tasks from testing the compatibilities of my programs to running > > > third party applications targeting on different platforms. Now I hope > > > there's also a simple script for the same thing but for python. On the > > > > > > Python actively encourages you to write the python shebang explicitly > > either #!/usr/bin/env python2 or #!/usr/bin/env python3 for scripts > > that are not compatible with one of them. It is no longer practical to > > make any assumptions about the python version in the (unversioned) > > python binary, therefore your argument about java doesn't hold. Since > > the developers themselves support this conclusion [0], there is no > > reason to still have the symlink and hence we should actually abolish > > it completely, which I expect to happen in the long run. > > > > [0] https://www.python.org/dev/peps/pep-0394/ > > > > Alright. Thanks a lot for the information! I am not a python user, but in Ruby we can use RVM to change between different Ruby versions. Is not there any tool that do the same thing on python?
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