File: predef.xml

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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry version="5.0-subset Scilab" xml:id="predef" xml:lang="en"
          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">
  <info>
    <pubdate>$LastChangedDate$</pubdate>
  </info>

  <refnamediv>
    <refname>predef</refname>

    <refpurpose>proteo de variveis</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <title>Seqncia de Chamamento</title>

    <synopsis>n=predef()
oldnew=predef(n)
oldnew=predef('all')
oldnew=predef('clear')</synopsis>
  </refsynopsisdiv>

  <refsection>
    <title>Descrio</title>

    <para>Funo utilitria para definir as variveis "mais antigas" como
    "protegidas". Variveis protegidas no podem ser cancelada. Elas no so
    salvas pelo comando <literal>'save'</literal> . As variveis "mais
    antigas" so aquelas que aparecem por ltimo em
    <literal>who('get')</literal>.</para>

    <para><literal>predef()</literal> retorna o nmero de variveis
    protegidas.</para>

    <para><literal>predef('a[ll]')</literal> ajusta todas as variveis como
    protegidas, tambm retorna o nmero antigo e o novo de variveis
    protegidas.</para>

    <para><literal>predef('c[lear]')</literal> desprotege todas as variveis,
    exceto as 7 ltimas e tambm retorna o nmero antigo e o novo de variveis
    protegidas.</para>

    <para><literal>predef(n) </literal>ajusta as <literal>max(n,7)</literal>
    ltimas variveis definidas como protegidas, tambm retorna o nmero
    antigo e o novo de variveis protegidas. </para>
  </refsection>

  <refsection>
    <title>Observao </title>

    <para>Um nmero de variveis protegidas est configurado no arquivo de
    "start-up" (inicializao) <literal>SCI/etc/scilab.start</literal>. O
    usurio pode, em particular, configurar suas prprias variveis
    predefinidas nos arquivos de inicializao do usurio
    <literal>SCIHOME/.scilab</literal> e
    <literal>SCIHOME/scilab.ini</literal></para>

    <para>Definio SCIHOME: no Windows : C:/Documents and
    Settings/&lt;User&gt;/Scilab/&lt;Scilab-Version&gt; No Linux/Unix :
    /home/&lt;User&gt;/.Scilab/&lt;Scilab-Version&gt; </para>
  </refsection>

  <refsection>
    <title>Ver Tambm</title>

    <simplelist type="inline">
      <member><link linkend="clear">clear</link></member>

      <member><link linkend="save">save</link></member>
    </simplelist>
  </refsection>
</refentry>