author | Nishanth <nishanth@fossee.in> |
Mon, 11 Oct 2010 13:42:52 +0530 | |
changeset 297 | bef342784a40 |
parent 274 | 1f8921b59ff0 |
permissions | -rw-r--r-- |
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#+LaTeX_CLASS: beamer |
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#+LaTeX_CLASS_OPTIONS: [presentation] |
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#+BEAMER_FRAME_LEVEL: 1 |
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#+BEAMER_HEADER_EXTRA: \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent} |
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#+COLUMNS: %45ITEM %10BEAMER_env(Env) %10BEAMER_envargs(Env Args) %4BEAMER_col(Col) %8BEAMER_extra(Extra) |
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#+PROPERTY: BEAMER_col_ALL 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 :ETC |
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#+LaTeX_CLASS: beamer |
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#+LaTeX_CLASS_OPTIONS: [presentation] |
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#+LaTeX_HEADER: \usepackage[english]{babel} \usepackage{ae,aecompl} |
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#+LaTeX_HEADER: \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet} |
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#+LaTeX_HEADER: \usepackage{listings} |
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#+LaTeX_HEADER:\lstset{language=Python, basicstyle=\ttfamily\bfseries, |
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#+LaTeX_HEADER: commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen}, |
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#+LaTeX_HEADER: showstringspaces=false, keywordstyle=\color{blue}\bfseries} |
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#+TITLE: Getting started with files |
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#+AUTHOR: FOSSEE |
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#+EMAIL: |
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#+DATE: |
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#+DESCRIPTION: |
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#+KEYWORDS: |
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#+LANGUAGE: en |
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#+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t |
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#+OPTIONS: TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc |
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* Outline |
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- Opening and reading contents of a file |
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- Closing open files |
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- Reading all the contents of the file at once |
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- Reading files line by line |
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* Question 1 |
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Split the variable into a list, =pend_list=, of the lines in the |
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file. Hint, use the tab command to see what methods the string |
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variable has. |
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* Solution 1 |
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#+begin_src python |
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In []: pend_list = pend.splitlines() |
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In []: pend_list |
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#+end_src |
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* Question 2 |
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Re-open the file =pendulum.txt= with =f= as the file object. |
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* Solution 2 |
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#+begin_src python |
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In []: f = open('/home/fossee/pendulum.txt') |
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#+end_src |
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* Summary |
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- Opening a file using =open= function |
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- Reading all the contents of the file at once using =read()= method |
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- Closing open files using the =close= method |
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- Reading files line by line by iterating using a =for= loop |
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* Thank you! |
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#+begin_latex |
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\begin{block}{} |
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\begin{center} |
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This spoken tutorial has been produced by the |
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\textcolor{blue}{FOSSEE} team, which is funded by the |
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\end{center} |
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\begin{center} |
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\textcolor{blue}{National Mission on Education through \\ |
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Information \& Communication Technology \\ |
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MHRD, Govt. of India}. |
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\end{center} |
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\end{block} |
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#+end_latex |
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