121 lines
8.2 KiB
HTML
121 lines
8.2 KiB
HTML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="pt-BR" xml:lang="pt-BR">
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<head>
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<!--
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*
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* Copyright 2009, Haiku. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Humdinger <humdingerb@gmail.com>
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* Translators:
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* Francisco Dourado
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* tiagoms
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*
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-->
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<meta http-equiv="Content-Style-Type" content="text/css" />
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<meta name="robots" content="all" />
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<title>Bash e Scripting</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<link rel="stylesheet" type="text/css" href="../Haiku-doc.css" />
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</head>
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<body>
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<div id="banner">
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<div><span>Guia do Usuário</span></div>
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</div>
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<div class="nav">
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<div class="inner">
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<ul class="lang-menu">
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<li class="now"><img src="../images/flags/pt_BR.png" alt="" /> Português (Brazil)</li>
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<li><a href="../id/bash-scripting.html"><img src="../images/flags/id.png" alt="" />Bahasa Indonesia</a></li>
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<li><a href="../ca/bash-scripting.html"><img src="../images/flags/ca.png" alt="" />Català</a></li>
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<li><a href="../de/bash-scripting.html"><img src="../images/flags/de.png" alt="" />Deutsch</a></li>
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<li><a href="../en/bash-scripting.html"><img src="../images/flags/gb.png" alt="" />English</a></li>
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<li><a href="../fur/bash-scripting.html"><img src="../images/flags/fur.png" alt="" />Furlan</a></li>
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<li><a href="../fi/bash-scripting.html"><img src="../images/flags/fi.png" alt="" />Suomi</a></li>
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<li><a href="../sv_SE/bash-scripting.html"><img src="../images/flags/sv_SE.png" alt="" />Svenska</a></li>
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<li><a href="../zh_CN/bash-scripting.html"><img src="../images/flags/zh_CN.png" alt="" /> 中文 ［中文］</a></li>
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<li><a href="../ru/bash-scripting.html"><img src="../images/flags/ru.png" alt="" />Русский</a></li>
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<li><a href="../uk/bash-scripting.html"><img src="../images/flags/uk.png" alt="" />Українська</a></li>
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<li><a href="../jp/bash-scripting.html"><img src="../images/flags/jp.png" alt="" />日本語</a></li>
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</ul>
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<span>
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« <a href="preferences.html">Preferências</a>
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:: <a href="contents.html" class="uplink">Conteúdo</a>
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<!-- :: <a href="filesystem-layout.html">Disposição do sistema de arquivos</a> » -->
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</span></div>
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</div>
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<div id="content">
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<div>
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<div class="box-info">A tradução desta página ainda não está completa. Até lá, partes incompletas mostrarão o original em inglês.</div>
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<h1>Bash e Scripting</h1>
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<p>"Scripting" é a técnica de encadear comandos formando um procedimento automatizado e salvar isso em arquivos texto, chamados "scripts". Sempre que você executa um script os comandos são processados um após o outro, como se você os digitasse num <a href="applications/terminal.html">Terminal</a>.<br />
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Scripts podem executar simples comandos numa ordem específica, ou resultarem em sofisticadas peças de código que resolvem tarefas complexas.</p>
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<h2>
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<a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a>
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<a id="bash" name="bash">O Bash</a></h2>
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<p>Since scripts rely naturally a lot on the shell they are interpreted by, you should first familiarize yourself with the BASH that's used by Haiku. There are many resources online as it's a widely used shell. One nice document is Johan Jansson's <a href="https://web.archive.org/web/20011205095723/http://www.beforever.com/bashtut.htm" class="printurl">Introduction to bash - a tutorial for bash under BeOS</a>.<br />
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The <a href="https://www.gnu.org/software/bash/manual/bash.pdf" class="printurl">Bash Reference Manual (PDF, 720 KiB)</a> is a nice resource to get into the details.</p>
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<h2>
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<a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a>
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<a id="scripting-bible" name="scripting-bible">A Bíblia do Scripting</a></h2>
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<p>Depois de ter aprendido umas noções básicas sobre como trabalhar no shell, é hora de lentamente adentrar no mundo do scripting. Novamente, você encontrará muitos tutoriais e materiais de referência online como também em livrarias. Uma introdução muito boa que foi praticamente feita sob medida para o Haiku está disponível online, é o <a href="http://www.birdhouse.org/beos/bible/bos/ch_scripting1.html" class="printurl">capítulo sobre scripting</a> (<a href="http://www.birdhouse.org/beos/bible/bos/BeOS.scripting.PDF">PDF, 900kb</a>) do livro BeOS Bible de Scot Hacker.</p>
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<h2>
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<a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a><a id="user-scripts" name="user-scripts">Scripts no Haiku</a></h2>
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<p>Haiku used to have scripts for booting and shutting down. Today it uses the <a href="https://dev.haiku-os.org/wiki/LaunchDaemon">launch_daemon</a> instead. However, the user can still augment this process with certain user scripts.
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If they don't exist already, you'll have to create the needed files yourself. Otherwise simply add your commands where in the process you want them to be executed.</p>
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<h3>
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<a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a>
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<a id="userbootscript" name="userbootscript">O UserBootscript</a></h3>
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<p><span class="path">/boot/home/config/settings/boot/UserBootscript</span> will be executed after the system has finished its boot process. For example, you could launch a number of programs that would then be automatically started on every boot up:</p>
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<pre># Iniciar o LaunchBox
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/boot/system/apps/LaunchBox &
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# Iniciar o Applet Workspaces
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/boot/system/apps/Workspaces &</pre>
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<p>Lembre-se de terminar o comando com um "<tt>&</tt>" para iniciá-lo como um processo em segundo plano (background process), ou o script ficará suspenso até este comando ter sido concluído (neste caso: o aplicativo aberto ser fechado novamente).</p>
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<p>A simple alternative to the above for launching applications at boot up is to put links to them in the <span class="path">/boot/home/config/settings/boot/launch</span> directory. This can be done simply by right-clicking on the application you wish to have started automatically, going to <span class="menu">Create Link</span> and then <a href="tracker.html#navigating">navigating</a> to the above directory.</p>
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<h3><a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a>
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<a id="usershutdownscript" name="usershutdownscript">The UserShutdownScript - <i>not yet working</i></a></h3>
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<p><span class="path">/boot/home/config/settings/boot/UserShutdownScript</span> will be executed as the first step in the shutdown process. If the script returns a non-zero exit status, the shutdown is aborted.</p>
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<h3>
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<a href="#"><img src="../images/up.png" style="border:none;float:right" alt="index" /></a>
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<a id="usershutdownfinishscript" name="usershutdownfinishscript">The UserShutdownFinishScript - <i>not yet working</i></a></h3>
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<p><span class="path">/boot/home/config/settings/boot/UserShutdownFinishScript</span> is executed as the last step in the shutdown process. Note, that most parts of the system have terminated by the time this script is executed.</p>
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</div>
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</div>
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<div class="nav">
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<div class="inner"><span>
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« <a href="preferences.html">Preferências</a>
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:: <a href="contents.html" class="uplink">Conteúdo</a>
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<!-- :: <a href="filesystem-layout.html">Disposição do sistema de arquivos</a> » -->
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</span></div>
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</div>
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</body>
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</html>
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