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authorGeorg Brandl <georg@python.org>2008-08-30 09:58:30 (GMT)
committerGeorg Brandl <georg@python.org>2008-08-30 09:58:30 (GMT)
commit3db38ce2142b22028b1184a24f53be8250ba1719 (patch)
tree081942e2fb357bd4e53f909b384421492d1a0288 /Doc
parentfcfb5f2fe4678910c6b11436e124a321d4cebaf2 (diff)
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#3577: 3.0 is not installed as "python" on Unix.
Diffstat (limited to 'Doc')
-rw-r--r--Doc/tutorial/interpreter.rst26
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.