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Viewing changes to modules/core/help/pt_BR/variables/isdef.xml

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2012-08-30 14:42:38 UTC
  • mfrom: (1.4.7)
  • Revision ID: package-import@ubuntu.com-20120830144238-c1y2og7dbm7m9nig
Tags: 5.4.0-beta-3-1~exp1
* New upstream release
* Update the scirenderer dep
* Get ride of libjhdf5-java dependency

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modules/core/help/pt_BR/variables/isdef.xml
 
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<?xml version="1.0" encoding="ISO-8859-1"?>
 
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<!--
 
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 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 
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 * Copyright (C) 2008 - INRIA
 
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 * 
 
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 * This file must be used under the terms of the CeCILL.
 
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 * This source file is licensed as described in the file COPYING, which
 
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 * you should have received as part of this distribution.  The terms
 
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 * are also available at    
 
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 * http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
 
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 *
 
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 -->
 
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<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns4="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" version="5.0-subset Scilab" xml:id="isdef" xml:lang="en">
 
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    <refnamediv>
 
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        <refname>isdef</refname>
 
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        <refpurpose>verifica exist�ncia de vari�veis</refpurpose>
 
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    </refnamediv>
 
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    <refsynopsisdiv>
 
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        <title>Seq��ncia de Chamamento</title>
 
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        <synopsis>isdef(name [,where])</synopsis>
 
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    </refsynopsisdiv>
 
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    <refsection>
 
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        <title>Par�metros</title>
 
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        <variablelist>
 
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            <varlistentry>
 
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                <term>name</term>
 
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                <listitem>
 
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                    <para>um string </para>
 
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                </listitem>
 
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            </varlistentry>
 
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            <varlistentry>
 
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                <term>where</term>
 
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                <listitem>
 
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                    <para>um string opcional com valor padr�o 'all' (todos os locais)
 
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                    </para>
 
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                </listitem>
 
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            </varlistentry>
 
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        </variablelist>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Descri��o</title>
 
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        <para>
 
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            <literal>isdef(name)</literal> retorna <literal>%T</literal> se a
 
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            vari�vel <literal>name</literal> existe e <literal>%F</literal> em caso
 
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            contr�rio.
 
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        </para>
 
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        <para>
 
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            Aviso: uma fun��o que utiliza <literal>isdef</literal> pode retornar
 
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            um resultado que depende do ambiente!
 
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        </para>
 
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        <para>
 
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            <literal>isdef(name,'local')</literal> retorna <literal>%T</literal>
 
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            se a vari�vel <literal>name</literal> existe no ambiente local da fun��o
 
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            corrente e <literal>%F</literal> em caso contr�rio.
 
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        </para>
 
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        <para>
 
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            <literal>isdef(name,'nolocal')</literal> retorna
 
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            <literal>%T</literal> se a vari�vel <literal>name</literal> existe no
 
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            ambiente de chamada completo (incluindo o n�vel global) da fun��o corrente
 
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            e <literal>%F</literal> em caso contr�rio.
 
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        </para>
 
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    </refsection>
 
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    <refsection>
 
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        <title>Exemplos</title>
 
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        <programlisting role="example"><![CDATA[ 
 
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A=1;
 
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isdef('A')
 
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clear A
 
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isdef('A')
 
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function level1()
 
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  function level2()
 
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    disp(isdef("a","all"));
 
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    disp(isdef("a","local"));
 
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    disp(isdef("a","nolocal"));
 
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  endfunction
 
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  level2()
 
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endfunction
 
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function go()
 
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  a=1;
 
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  level1()
 
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endfunction
 
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go()
 
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 ]]></programlisting>
 
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    </refsection>
 
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    <refsection role="see also">
 
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        <title>Ver Tamb�m</title>
 
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        <simplelist type="inline">
 
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            <member>
 
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                <link linkend="exists">exists</link>
 
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                <link linkend="isglobal">isglobal</link>
 
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            </member>
 
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            <member>
 
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                <link linkend="whereis">whereis</link>
 
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            </member>
 
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            <member>
 
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                <link linkend="type">type</link>
 
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            </member>
 
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            <member>
 
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                <link linkend="typeof">typeof</link>
 
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            </member>
 
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            <member>
 
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                <link linkend="clear">clear</link>
 
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            </member>
 
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        </simplelist>
 
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    </refsection>
 
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</refentry>