Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Rob Hills Newsgroups: comp.lang.python Subject: Re: What meaning is of '#!python'? Date: Sun, 15 Nov 2015 11:10:54 +0800 Lines: 44 Message-ID: References: <3aa2f352-ea19-4252-9a09-c884887cf810@googlegroups.com> Reply-To: rhills@medimorphosis.com.au Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable X-Trace: news.uni-berlin.de RNcKL+253jBLV3uAwLLRfABbUYA6EFLgw5LHRZGrERjw== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.012 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'python': 0.10; 'systems.': 0.11; 'ignore': 0.14; 'subject:python': 0.14; '.py': 0.16; '1:13': 0.16; 'abusing': 0.16; 'executable,': 0.16; 'executable.': 0.16; 'numpy': 0.16; 'quoted': 0.16; 'received:74.55.86': 0.16; 'received:74.55.86.74': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'received:smtp.webfaction.com': 0.16; 'received:webfaction.com': 0.16; 'wrote:': 0.16; 'copied': 0.18; 'script.': 0.18; 'email addr:gmail.com>': 0.18; 'shell': 0.18; '2015': 0.20; 'work,': 0.21; 'file:': 0.22; '(or': 0.23; 'originally': 0.23; 'tried': 0.24; 'import': 0.24; 'header:In- Reply-To:1': 0.24; 'script': 0.25; 'header:User-Agent:1': 0.26; "doesn't": 0.26; 'example': 0.26; 'command': 0.26; 'chris': 0.26; 'skip:# 10': 0.27; 'looks': 0.29; 'starts': 0.29; '15,': 0.30; 'run': 0.33; 'common': 0.33; 'file': 0.34; 'nov': 0.35; 'to:addr :python-list': 0.36; 'pm,': 0.36; 'subject:: ': 0.37; 'operating': 0.37; 'someone': 0.38; 'sure': 0.39; 'received:192': 0.39; 'to:addr:python.org': 0.40; 'some': 0.40; 'your': 0.60; 'australia': 0.61; 'charset:windows-1252': 0.62; 'more': 0.63; 'header:Reply-To:1': 0.67; 'reply-to:no real name:2**0': 0.71; 'chrisa': 0.84; 'eg:': 0.84; 'url:php': 0.86; 'western': 0.89; 'comment.': 0.91; 'hills': 0.93; 'imagine': 0.96 X-Enigmail-Draft-Status: N1110 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: X-Content-Filtered-By: Mailman/MimeDel 2.1.20+ X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:98851 On 15/11/15 10:18, Chris Angelico wrote: > On Sun, Nov 15, 2015 at 1:13 PM, fl wrote: >> Excuse me. Below is copied from the .py file: >> >> #!python >> from numpy import * >> from numpy.random import * >> > Then someone doesn't know how to use a shebang (or is deliberately > abusing it), and you can ignore it. It starts with a hash, ergo it's a > comment. > > ChrisA Looks like the author of the script file has tried to create a Python Shell script. This link describes them in detail: http://www.dreamsyssoft.com/python-scripting-tutorial/intro-tutorial.php Not sure whether the example originally quoted would work, I imagine it might on some 'nix operating systems. The more common first line is: #!/usr/bin/env python If you start a script file with this line and make the file executable, you can then run the script from the command line without having to preface it with a reference to your Python executable. Eg: my-script.py versus python my-script.py HTH, --=20 Rob Hills Waikiki, Western Australia