aktuelle.kurse/m122/bash-kursunterlagen/bash3/src/Bash_L3.tex

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%	TITLE PAGE
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\title[Bash - Lektion 3]{Linux Shell - Lektion 3} % The short title appears at the bottom of every slide, the full title is only on the title page

\author{Mario Bischof} % Your name
\institute[BFSU] % Your institution as it will appear on the bottom of every slide, may be shorthand to save space
{
Berufsfachschule Uster \\ % Your institution for the title page
\medskip
\href{mailto:mario.bischof@bzu.ch}{mario.bischof@bzu.ch}% Your email address
}
\date{\today} % Date, can be changed to a custom date

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%	PRESENTATION SLIDES
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%------------------------------------------------
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% A subsection can be created just before a set of slides with a common theme to further break down your presentation into chunks

\section[vars]{Variablen} 
\begin{frame}[fragile]

\frametitle{Variablen}
\begin{itemize}
\item Variablen werden mit dem Zuweiseungsoperator \verb|=| gesetzt.
\item Auf den Inhalt von Variablen kann mit \verb|$| zugegriffen werden.
\item Der Inhalt einer Variable kann geändert werden
\end{itemize}

\begin{verbatim}
[root@host /]# name="Hans"
[root@host /]# echo $name
Hans
[root@host /]# name="Muster"
[root@host /]# echo $name
Muster
\end{verbatim}
\end{frame}

\begin{frame}[fragile]

\frametitle{Variablen}
\begin{itemize}
\item Die Ausgabe eines Befehls kann einer Variable zugewiesen werden
\item Der Befehl muss in \verb|$( )| gesetzt werden
\item Der Inhalt von Variablen kann in anderen Befehlen weiterverwendet werden
\item Variablen können kopiert werden
\end{itemize}

\begin{verbatim}
[root@host /]# datum=$(date +%Y_%m_%d)
[root@host /]# echo $datum
2015_10_06
[root@host /]# touch file_$datum
[root@host /]# ls
file_2015_10_06
[root@host /]# datum2=$datum; echo $datum2
2015_10_06
\end{verbatim}
\end{frame}

\frametitle{Variablen}
\begin{itemize}
\item Die Ausgabe eines Befehls kann einer Variable zugewiesen werden
\item Der Befehl muss in \verb|$( )| gesetzt werden
\item Der Inhalt von Variablen kann in anderen Befehlen weiterverwendet werden
\item Variablen können kopiert werden
\end{itemize}

\begin{verbatim}
[root@host /]# datum=$(date +%Y_%m_%d)
[root@host /]# echo $datum
2015_10_06
[root@host /]# touch file_$datum
[root@host /]# ls
file_2015_10_06
[root@host /]# datum2=$datum; echo $datum2
2015_10_06
\end{verbatim}





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