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author | Georg Brandl <georg@python.org> | 2008-08-30 09:58:30 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2008-08-30 09:58:30 (GMT) |
commit | 3db38ce2142b22028b1184a24f53be8250ba1719 (patch) | |
tree | 081942e2fb357bd4e53f909b384421492d1a0288 /Doc | |
parent | fcfb5f2fe4678910c6b11436e124a321d4cebaf2 (diff) | |
download | cpython-3db38ce2142b22028b1184a24f53be8250ba1719.zip cpython-3db38ce2142b22028b1184a24f53be8250ba1719.tar.gz cpython-3db38ce2142b22028b1184a24f53be8250ba1719.tar.bz2 |
#3577: 3.0 is not installed as "python" on Unix.
Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/tutorial/interpreter.rst | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst index 27a91d0..2601009 100644 --- a/Doc/tutorial/interpreter.rst +++ b/Doc/tutorial/interpreter.rst @@ -10,16 +10,16 @@ Using the Python Interpreter Invoking the Interpreter ======================== -The Python interpreter is usually installed as :file:`/usr/local/bin/python` on -those machines where it is available; putting :file:`/usr/local/bin` in your +The Python interpreter is usually installed as :file:`/usr/local/bin/python3.0` +on those machines where it is available; putting :file:`/usr/local/bin` in your Unix shell's search path makes it possible to start it by typing the command :: - python + python3.0 -to the shell. Since the choice of the directory where the interpreter lives is -an installation option, other places are possible; check with your local Python -guru or system administrator. (E.g., :file:`/usr/local/python` is a popular -alternative location.) +to the shell. [#]_ Since the choice of the directory where the interpreter lives +is an installation option, other places are possible; check with your local +Python guru or system administrator. (E.g., :file:`/usr/local/python` is a +popular alternative location.) On Windows machines, the Python installation is usually placed in :file:`C:\Python30`, though you can change this when you're running the @@ -58,8 +58,8 @@ Some Python modules are also useful as scripts. These can be invoked using ``python -m module [arg] ...``, which executes the source file for *module* as if you had spelled out its full name on the command line. -Note that there is a difference between ``python file`` and ``python <file``. -In the latter case, input requests from the program, such as calling +Note that there is a difference between ``python file`` and ``python +<file``. In the latter case, input requests from the program, such as calling ``sys.stdin.read()``, are satisfied from *file*. Since this file has already been read until the end by the parser before the program starts executing, the program will encounter end-of-file immediately. In the former case (which is @@ -101,7 +101,7 @@ with the *secondary prompt*, by default three dots (``...``). The interpreter prints a welcome message stating its version number and a copyright notice before printing the first prompt:: - $ python + $ python3.0 Python 3.0a1 (py3k, Sep 12 2007, 12:21:02) [GCC 3.4.6 20060404 (Red Hat 3.4.6-8)] on linux2 Type "help", "copyright", "credits" or "license" for more information. @@ -155,7 +155,7 @@ Executable Python Scripts On BSD'ish Unix systems, Python scripts can be made directly executable, like shell scripts, by putting the line :: - #! /usr/bin/env python + #! /usr/bin/env python3.0 (assuming that the interpreter is on the user's :envvar:`PATH`) at the beginning of the script and giving the file an executable mode. The ``#!`` must be the @@ -243,5 +243,9 @@ in the script:: .. rubric:: Footnotes +.. [#] On Unix, the 3.0 interpreter is by default not installed with the + executable named ``python``, so that it does not conflict with a + simultaneously installed Python 2.x executable. + .. [#] A problem with the GNU Readline package may prevent this. |