Find Python 2 dynamically #13
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Modern and up-to-date systems (e.g. Gentoo, Arch) have Python 3 as the default version, i.e. calling 'python' executes Python 3. On these systems, we need to call 'python2'. Some very old systems (e.g. warrior 2) have no /usr/bin/python2 symlink. On these systems, we need to call 'python'.
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Modern and up-to-date systems (e.g. Gentoo, Arch) have Python 3 as the default version, i.e. calling
pythonexecutes Python 3. On these systems, we need to callpython2.Some very old systems (e.g. warrior 2) have no
/usr/bin/python2symlink. On these systems, we need to callpython.The output of
python -Vhas been likePython 5.6.7since at least Python 2.3.0 (I haven't checked earlier versions), so it should be safe to rely on it.