On 07/03/2011 22:18, James Y Knight wrote: > On Mar 7, 2011, at 3:49 PM, Paul Moore wrote: >> The launcher could also (as per Mark's suggestion) interpret a shebang >> line in the script, so that scripts could specify their required >> version without needing a different command,or multiple >> version-specific extensions. > Note that, on Unix, "python file.py" doesn't choose the correct version of python to run by looking at a shebang, it just runs the version of python installed as "python". Only "./file.py" looks at the shebang (assuming that file is marked executable). > > Is the proposal to make python.exe do that on windows? That is a rather significant difference from the unix behavior. By default "python.exe" is not on the path in windows, so unless the current directory is the python install (or you have manually changed your path) "python foo.py" does *nothing*. That is a *very* big difference from unix behaviour. The proposal is (apparently) to create another executable called "python.exe" that is put on the path by the installer (if the user has the right permissions to do this). I believe the intention is that "python foo.py" *will* then lookup the shebang to run the "right" version of python, defaulting to the last installed version of python (I assume). All the best, Michael Foord > _______________________________________________ > Python-Dev mailing list > Python-Dev at python.org > http://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: http://mail.python.org/mailman/options/python-dev/fuzzyman%40voidspace.org.uk -- http://www.voidspace.org.uk/ May you do good and not evil May you find forgiveness for yourself and forgive others May you share freely, never taking more than you give. -- the sqlite blessing http://www.sqlite.org/different.html
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