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Daniel Schubert 2019-01-04 10:41:14 +01:00
parent fa163ed552
commit b0a0fd2c23
10 changed files with 2587 additions and 19 deletions
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4.html
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@ -29,6 +29,10 @@
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@ -196,6 +200,24 @@ USER Benutzername</code></pre>
</ul> </ul>
</section> </section>
<section>
Damit ein Script wie ein Programm startet:
<ul>
<li class="fragment ">Pfad d. Skriptes der $PATH Variable hinzufügen</li>
<li class="fragment "><pre><code>export PATH=$PATH:/pfad/zum/script</code></pre></li>
<li class="fragment ">muss in die .bashrc</li>
<li class="fragment ">Best Practice: Scripte in Ordner <code>~/bin/</code> -> diesen zur <code>$PATH</code> dazu</li>
</ul>
<aside class="notes">
PATH nur in der aktuellen Sizung -> sonst in die .bashrc
</aside>
</section>
<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
<h2>Gentlemen, open your Editor! </h2>
</section>
<section style="font-size: .6em"> <section style="font-size: .6em">
<pre><code>#!/bin/bash <pre><code>#!/bin/bash
@ -218,8 +240,8 @@ uptime
MSG="\nDas ist alles! Bye, $USER! \n\n" MSG="\nDas ist alles! Bye, $USER! \n\n"
printf "${MSG}"</code></pre> printf "${MSG}"</code></pre>
<p><small><a href="https://www.schubertdaniel.de/linuxkurs" target="_blank">https://www.schubertdaniel.de/linuxkurs</a></small>
<small><a href="https://git.scytec.de/danthefan/linuxkurs/raw/master/beispiele/mysystem.sh" target="_blank">https://git.scytec.de/danthefan/linuxkurs/raw/master/beispiele/mysystem.sh</a></small> <p><small><a href="https://git.scytec.de/danthefan/linuxkurs/raw/master/beispiele/mysystem.sh" target="_blank">https://git.scytec.de/danthefan/linuxkurs/raw/master/beispiele/mysystem.sh</a></small>
</section> </section>
<section> <section>
@ -280,19 +302,7 @@ dany 23893 4143 0 12:33 pts/4 00:00:00 bash
<p class="fragment "> Der <span class="fragment highlight-red">Kontext</span> aller Script Variablen ist der der <span class="fragment highlight-red">sub-shell</span> <p class="fragment "> Der <span class="fragment highlight-red">Kontext</span> aller Script Variablen ist der der <span class="fragment highlight-red">sub-shell</span>
</section> </section>
<section>
Damit Script wie Programm startet:
<ul>
<li class="fragment ">Pfad d. Skriptes der $PATH Variable hinzufügen</li>
<li class="fragment "><pre><code>export PATH=$PATH:/pfad/zum/script</code></pre></li>
<li class="fragment ">muss in die .bashrc</li>
<li class="fragment ">Best Practice: Scripte in Ordner <code>~/bin/</code> -> diesen zur <code>$PATH</code> dazu</li>
</ul>
<aside class="notes">
PATH nur in der aktuellen Sizung -> sonst in die .bashrc
</aside>
</section>
<section> <section>
Ein weiteres Beispiel: Ein weiteres Beispiel:
@ -315,13 +325,135 @@ fi
</section> </section>
<section> <section>
<p>Kommando Verkettung</p> <div><span style="color: orange">Aufgabe:</span> Erstellt ein script, das alle Dateien in eurem home in einer tar.gz - Datei archiviert, das Verzeichnis "~/archiv" erstellt, und die tar.gz Datei dorthin verschiebt.<br />
Hinweis: tar -czf .....
<p class="fragment">https://linuxconfig.org/bash-scripting-tutorial</p></div>
<dir class="fragment"><pre><code>#!/bin/bash
tar -czf myhome_directory.tar.gz /home/$USER
mkdir archiv
mv myhome_directory.tar.gz archiv/
</code></pre></dir>
<ul>
<li class="fragment ">this</li>
</ul>
</section> </section>
<section>
<h3>Kontrollstrukturen</h3>
</section>
<section>
<h4>if then </h4>
<img src="img/if_then_else.svg">
</section>
<section><pre><code>#!/bin/bash
cd
ls
if [ -e sample.sh ]
then
echo "file exists!"
else
echo "file does not exist"
fi</code></pre></section>
<section>
<h4>if then elif</h4>
<img src="img/2_if_then_elif_fi.svg">
</section>
<section><pre style="font-size: .35em"><code>#!/bin/bash
cd
ls -l
read -p "Enter a file name: " filename
if [ -e $filename ]
then
echo "file exists!"
if [ -r $filename ]
then
status="readable "
fi
if [ -w $filename ]
then
status=$status"writable "
fi
if [ -x $filename ]
then
status=$status"executable"
fi
echo "file permission: "$status
else
echo "file does not exist"
fi</code></pre></section>
<section>
<h4>for loop</h4>
<img src="img/for.svg">
</section>
<section><pre><code>#!/bin/bash
for f in {1..9}
do
touch "$f xx.txt"
done</code></pre></section>
<section>
<h4>case</h4>
<img src="img/3_case_var.jpg">
</section>
<section><pre style="font-size: .35em"><code>#!/bin/bash
clear
read -p "Integer1: " int1
read -p "Integer2: " int2
printf "Menu: \n[a] Addition\n[b]Subtraction\n[c]Multiplication\n[d]Division\n"
echo "======================"
read -p "Your choice: " choice
res=0
case $choice in
a)
res=$((int1+int2))
;;
b)
res=$((int1-int2))
;;
c)
res=$((int1*int2))
;;
d)
res=$((int1/int2))
;;
*)
echo "Invalid input"
esac
echo "The result is: " $res</code></pre></section>
<section>
<h4>while loop</h4>
<img src="img/4_while.svg">
</section>
<section><pre><code>#!/bin/bash
x=1
while [ $x -le 5 ]
do
echo "Welcome $x times"
x=$(( $x + 1 ))
done</code></pre></section>
<section>
<h4>until loop</h4>
<img src="img/until.svg">
</section>
<section><pre><code>#!/bin/bash
i=1
until [ $i -gt 6 ]
do
echo "Welcome $i times."
i=$(( i+1 ))
done</code></pre></section>
<section><h3>while vs until</h3>
<ol>
<li>until läuft bis Bedingung nicht 0 (false)</li>
<li>while läuft bis Bedingung 0 (true)</li>
<li>until läuft mind. einmal</li>
</ol>
</section>
</div> </div>
</div> </div>

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<!doctype html>
<html lang="de">
<meta charset="utf-8">
<title>Einführung in Linux</title>
<meta name="description" content="YALC - Yet Another Linux Course ">
<meta name="author" content="Daniel Schubert">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
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<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
<h1>LINUX</h1>
<h3>Das universelle Betriebssystem</h3>
<p>Eine Einführung - Teil 6
<p>
<small>Deutsche Angestellten Akademie</small>
</p>
<aside class="notes">
Frage: Fragen zur letzten Stunde?
</aside>
</section>
<section>
<h2>vim und emacs</h2>
<h3>Die mächtigen Unix Editoren</h3>
</section>
<section data-transition="slide" data-background="#4d7e65" data-background-transition="zoom">
<h3>vim</h3>
<ul>
<li class="fragment">ein Editor für die shell </li>
<li class="fragment">immer da, oft in der alten Variante „vi“ </li>
<li class="fragment">Vi IMproved</li>
<li class="fragment">komplett per Kürzel steuerbar </li>
<li class="fragment">umfassend anpassbar </li>
<li class="fragment">erweiterbar </li>
<li class="fragment">syntax highlighting </li>
<li class="fragment">vim ist einfach cool ;-)</li>
</ul>
</section>
<section>
<h3>Die 5 Level eines Vim Magiers</h3>
<ul>
<li>Level 0: nichts über vim wissen
<li>Level 1: vim basics kennen
<li>Level 2: den visual mode kennen
<li>Level 3: diverse „motions“ kennen
<li>Level 4: den visual mode nicht brauchen
</ul>
<p>https://danielmiessler.com/study/vim/
</section>
</div>
</div>
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@ -13,4 +13,5 @@ if [ $# -gt 0 ]
echo "Kein Suffix gegeben!!" echo "Kein Suffix gegeben!!"
echo "Verwendung: strip-space.sh SUFFIX" echo "Verwendung: strip-space.sh SUFFIX"
echo "Beende ...." echo "Beende ...."
exit 1
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<ul> <ul>
<LI><a href="https://www.debian.org" target="_blank">Debian.org</a></LI> <LI><a href="https://www.debian.org" target="_blank">Debian.org</a></LI>
<li><a href="https://wiki.ubuntuusers.de" target="_blank">wiki.ubunutuusers.de</a></li> <li><a href="https://wiki.ubuntuusers.de" target="_blank">wiki.ubunutuusers.de</a></li>
<h3>bash</h3>
<li><a href="http://www.gnu.org/software/bash/manual/bashref.html" target="_blank">GNU Bash Reference manual</a></li>
<li><a href="https://ss64.com/bash/" target="_blank">Umfassende Bash Referenz mit Suche</a></li>
<li><a href="https://www.shellbefehle.de/befehle/" target="_blank">Shell Befehle</a></li> <li><a href="https://www.shellbefehle.de/befehle/" target="_blank">Shell Befehle</a></li>
<li><a href="https://wiki.archlinux.de/title/Bash-Prompt_anpassen" target="_blank">Bash Prompt anpassen </a></li> <li><a href="https://wiki.archlinux.de/title/Bash-Prompt_anpassen" target="_blank">Bash Prompt anpassen </a></li>
<h3>reguläre Ausdrücke</h3>
<li><a href="https://regexr.com/" target="_blank">RegExr.com - Reguläre Ausdrücke testen</a> <li><a href="https://regexr.com/" target="_blank">RegExr.com - Reguläre Ausdrücke testen</a>
<li><a href="http://rubular.com/" target="_blank">rubular.com - Reguläre Ausdrücke testen</a> <li><a href="http://rubular.com/" target="_blank">rubular.com - Reguläre Ausdrücke testen</a>
<h3>Bash scripting</h3>
<li><a href="http://www.gnu.org/software/bash/manual/html_node/Bash-Conditional-Expressions.html" target="_blank">Conditional Expressions für [ ] / test</a></li>
</ul> </ul>
</div> </div>
</div> </div>