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Why isn't export python=/usr/local/bin/python2.7 changing the path to python?

I am baffled by the following:

$ which python
/usr/bin/python
$ export python=/usr/local/bin/python2.7
$ which python
/usr/bin/python

I'm using OSX v10.12.

1 Answer 1

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The program which determines the path of shell commands.

What you did in the second statement is set a variable named python.

Shell commands and variables are entirely different things.

What you'd might like to use is an alias.

alias python="/usr/local/bin/python2.7"

Note, that (except in zsh or tcsh, or if your which is itself a shell function that invokes GNU which, as recommended by its manual), which will not show the alias, while e.g. type python will.

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  • Additionally, /usr/bin/python is probably a symbolic link to the system's version of python. Alternatively they could change the link to point to the version of python they wish to use. After verifying it really is a link and backing it up just in case of course.
    – Thegs
    Commented Sep 5, 2017 at 13:36

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