1 % Created 2010-10-21 Thu 14:35

     2 \documentclass[presentation]{beamer}

     3 \usepackage[latin1]{inputenc}

     4 \usepackage[T1]{fontenc}

     5 \usepackage{fixltx2e}

     6 \usepackage{graphicx}

     7 \usepackage{longtable}

     8 \usepackage{float}

     9 \usepackage{wrapfig}

    10 \usepackage{soul}

    11 \usepackage{t1enc}

    12 \usepackage{textcomp}

    13 \usepackage{marvosym}

    14 \usepackage{wasysym}

    15 \usepackage{latexsym}

    16 \usepackage{amssymb}

    17 \usepackage{hyperref}

    18 \tolerance=1000

    19 \usepackage[english]{babel} \usepackage{ae,aecompl}

    20 \usepackage{mathpazo,courier,euler} \usepackage[scaled=.95]{helvet}

    21 \usepackage{listings}

    22 \lstset{language=Python, basicstyle=\ttfamily\bfseries,

    23 commentstyle=\color{red}\itshape, stringstyle=\color{darkgreen},

    24 showstringspaces=false, keywordstyle=\color{blue}\bfseries}

    25 \providecommand{\alert}[1]{\textbf{#1}}

    26 

    27 \title{Getting started with files}

    28 \author{FOSSEE}

    29 \date{}

    30 

    31 \usetheme{Warsaw}\usecolortheme{default}\useoutertheme{infolines}\setbeamercovered{transparent}

    32 \begin{document}

    33 

    34 \maketitle

    35 

    36 

    37 

    38 

    39 

    40 

    41 

    42 

    43 

    44 \begin{frame}

    45 \frametitle{Outline}

    46 \label{sec-1}

    47 

    48 \begin{itemize}

    49 \item Opening and reading contents of a file

    50 \item Closing open files

    51 \item Reading all the contents of the file at once

    52 \item Reading files line by line

    53 \end{itemize}

    54 \end{frame}

    55 \begin{frame}

    56 \frametitle{Question 1}

    57 \label{sec-2}

    58 

    59   Split the variable into a list, \texttt{pend\_list}, of the lines in the

    60   file. Hint, use the tab command to see what methods the string

    61   variable has.

    62 \end{frame}

    63 \begin{frame}[fragile]

    64 \frametitle{Solution 1}

    65 \label{sec-3}

    66 

    67 \begin{verbatim}

    68 In []: pend_list = pend.splitlines()

    69 

    70 In []: pend_list

    71 \end{verbatim}

    72 \end{frame}

    73 \begin{frame}

    74 \frametitle{Question 2}

    75 \label{sec-4}

    76 

    77   Re-open the file \texttt{pendulum.txt} with \texttt{f} as the file object.

    78 \end{frame}

    79 \begin{frame}[fragile]

    80 \frametitle{Solution 2}

    81 \label{sec-5}

    82 

    83 \begin{verbatim}

    84 In []:   f = open('/home/fossee/pendulum.txt')

    85 \end{verbatim}

    86 \end{frame}

    87 \begin{frame}

    88 \frametitle{Summary}

    89 \label{sec-6}

    90 

    91 \begin{itemize}

    92 \item Opening a file using \texttt{open} function

    93 \item Reading all the contents of the file at once using \texttt{read()} method

    94 \item Closing open files using the \texttt{close} method

    95 \item Reading files line by line by iterating using a \texttt{for} loop

    96 \end{itemize}

    97 \end{frame}

    98 \begin{frame}

    99 \frametitle{Thank you!}

   100 \label{sec-7}

   101 

   102   \begin{block}{}

   103   \begin{center}

   104   This spoken tutorial has been produced by the

   105   \textcolor{blue}{FOSSEE} team, which is funded by the 

   106   \end{center}

   107   \begin{center}

   108     \textcolor{blue}{National Mission on Education through \\

   109       Information \& Communication Technology \\ 

   110       MHRD, Govt. of India}.

   111   \end{center}  

   112   \end{block}

   113 \end{frame}

   114 

   115 \end{document}