Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.xs4all.nl!newsfeed4.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Date: Fri, 26 Jul 2013 06:41:29 -0400
From: Devyn Collier Johnson <devyncjohnson@gmail.com>
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7
MIME-Version: 1.0
To: Python Mailing List <python-list@python.org>
Subject: Re: Python Script Hashplings
References: <51F12B41.3050004@Gmail.com> <51F12E31.1070502@mrabarnett.plus.com> <CAJqEzS2dj4UKDzHa=-OpyzJJHe5UzzMzJPB_Sc-jKa7A9PoNwg@mail.gmail.com>
In-Reply-To: <CAJqEzS2dj4UKDzHa=-OpyzJJHe5UzzMzJPB_Sc-jKa7A9PoNwg@mail.gmail.com>
Content-Type: multipart/alternative; boundary="------------070006050206040407080601"
Precedence: list
Newsgroups: comp.lang.python
Message-ID: <mailman.5141.1374835294.3114.python-list@python.org>
Lines: 138
NNTP-Posting-Host: 2001:888:2000:d::a6
Xref: csiph.com comp.lang.python:51294

This is a multi-part message in MIME format.
--------------070006050206040407080601
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit


On 07/25/2013 10:01 AM, Matthew Lefavor wrote:
> The answer is "probably not." If you just want to use the latest 
> version of Python 3 you have installed on your system, use: 
> "#!/usr/bin/python3". When you use the specific minor version numbers, 
> they point to that specific minor version.
>
> Actually, the preferred shebang line is of the form: "#!/usr/bin/env 
> python3". This way the end users can override the interpreter with, 
> say, a virtualenv, rather than being stuck with the system default.
>
>
> On Thu, Jul 25, 2013 at 9:54 AM, MRAB <python@mrabarnett.plus.com 
> <mailto:python@mrabarnett.plus.com>> wrote:
>
>     On 25/07/2013 14:42, Devyn Collier Johnson wrote:
>
>         If I execute a Python3 script with this haspling
>         (#!/usr/bin/python3.3)
>         and Python3.3 is not installed, but Python3.2 is installed,
>         would the
>         script still work? Would it fall back to Python3.2?
>
>     Why don't you try it?
>
>
>         I hope Dihedral is listening. I would like to see another
>         response from HIM.
>
>
>     -- 
>     http://mail.python.org/mailman/listinfo/python-list
>
>
>
>

Thanks Matthew Lefavor! But specifically, why use "#!/usr/bin/env 
python3" instead of "#!/usr/bin/python3"?

Mahalo,

DCJ


--------------070006050206040407080601
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <br>
    <div class="moz-cite-prefix">On 07/25/2013 10:01 AM, Matthew Lefavor
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAJqEzS2dj4UKDzHa=-OpyzJJHe5UzzMzJPB_Sc-jKa7A9PoNwg@mail.gmail.com"
      type="cite">
      <div dir="ltr">The answer is "probably not." If you just want to
        use the latest version of Python 3 you have installed on your
        system, use: "#!/usr/bin/python3". When you use the specific
        minor version numbers, they point to that specific minor
        version.
        <div>
          <br>
        </div>
        <div>Actually, the preferred shebang line is of the form:
          "#!/usr/bin/env python3". This way the end users can override
          the interpreter with, say, a virtualenv, rather than being
          stuck with the system default.</div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Thu, Jul 25, 2013 at 9:54 AM, MRAB <span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:python@mrabarnett.plus.com" target="_blank">python@mrabarnett.plus.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div class="im">On 25/07/2013 14:42, Devyn Collier Johnson
              wrote:<br>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                If I execute a Python3 script with this haspling
                (#!/usr/bin/python3.3)<br>
                and Python3.3 is not installed, but Python3.2 is
                installed, would the<br>
                script still work? Would it fall back to Python3.2?<br>
                <br>
              </blockquote>
            </div>
            Why don't you try it?
            <div class="HOEnZb">
              <div class="h5"><br>
                <br>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  I hope Dihedral is listening. I would like to see
                  another response from HIM.<br>
                  <br>
                </blockquote>
                <br>
              </div>
            </div>
            <span class="HOEnZb"><font color="#888888">
                -- <br>
                <a moz-do-not-send="true"
                  href="http://mail.python.org/mailman/listinfo/python-list"
                  target="_blank">http://mail.python.org/mailman/listinfo/python-list</a><br>
              </font></span></blockquote>
        </div>
        <br>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
    </blockquote>
    <br>
    Thanks Matthew Lefavor! But specifically, why use "#!/usr/bin/env
    python3" instead of "#!/usr/bin/python3"?<br>
    <br>
    Mahalo,<br>
    <br>
    DCJ<br>
    <br>
  </body>
</html>

--------------070006050206040407080601--