Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!bcyclone04.am1.xlned.com!bcyclone04.am1.xlned.com!newsfeed.xs4all.nl!newsfeed4a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.027 X-Spam-Evidence: '*H*': 0.95; '*S*': 0.00; '16,': 0.03; 'subject:code': 0.07; 'os.path': 0.09; 'empty.': 0.16; 'ignoring': 0.16; 'wrote:': 0.18; 'module': 0.19; 'split': 0.19; '>>>': 0.22; 'import': 0.22; 'extension': 0.26; 'code:': 0.26; 'header:In- Reply-To:1': 0.27; 'function': 0.29; 'message-id:@mail.gmail.com': 0.30; 'end,': 0.31; 'received:google.com': 0.35; 'ext': 0.36; 'subject:?': 0.36; 'skip:o 20': 0.38; 'nov': 0.38; 'to:addr :python-list': 0.38; 'pm,': 0.38; 'explain': 0.39; 'to:addr:python.org': 0.39; 'skip:o 30': 0.61; 'kindly': 0.61; 'subject:this': 0.83; "'test'": 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; bh=N51e+/OBQqLyotOix5xoP4cIglb/asPG7MEiflcD88k=; b=o8KuSDAla3CWNoAQ1LCH8PAE4ylFp/Sx91/+wRh/SgfsviRElzlyRTjVnjhyr9Ze7h 1j/7pjmLXp5A+5vazSMZ9Kj5xriWPiIimMQMIiwpAJ/YVpFWCZFIhNCb2Gt+2YvU5Dhr DiGcINEaYJowlcFQajWnLqJOHCHBKkGc4UWBheFkrLs786EV7HDYeIV+Iy1acUyEQr9p nx1AIeciVYe6xfRD3QDRNHNX7dprJzKsV7DT5dwgd72jfcX6vZYuyOQf3m8psUwAtP1K V0zzdrBwPmOROavUhZXZlwrS+PS8Fn/ABRWq6BJJrJmeO9uFc1m67NH5/JBmbrY2RGHy iS9A== X-Received: by 10.70.44.174 with SMTP id f14mr25705605pdm.38.1416174825249; Sun, 16 Nov 2014 13:53:45 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: From: Ian Kelly Date: Sun, 16 Nov 2014 14:53:04 -0700 Subject: Re: What does this line of code mean? To: Python Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 23 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1416174834 news.xs4all.nl 2935 [2001:888:2000:d::a6]:52572 X-Complaints-To: abuse@xs4all.nl X-Received-Bytes: 3595 X-Received-Body-CRC: 815498786 Xref: csiph.com comp.lang.python:80912 On Sun, Nov 16, 2014 at 2:45 PM, Abdul Abdul wrote: > I just came across the following line of code: > > outputfile = os.path.splitext(infile)[0] + ".jpg" > > Can you kindly explain to me what those parts mean? >>> import os.path >>> help(os.path.splitext) Help on function splitext in module ntpath: splitext(p) Split the extension from a pathname. Extension is everything from the last dot to the end, ignoring leading dots. Returns "(root, ext)"; ext may be empty. >>> os.path.splitext('test.txt') ('test', '.txt') >>> os.path.splitext('test.txt')[0] 'test' >>> os.path.splitext('test.txt')[0] + ".jpg" 'test.jpg'