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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) XXXX-2008 - INRIA
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
-->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:lang="ja" xml:id="getenv">
<refnamediv>
<refname>getenv</refname>
<refpurpose>環境変数の値を取得</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>呼び出し手順</title>
<synopsis>env=getenv(str [, rep] )</synopsis>
</refsynopsisdiv>
<refsection>
<title>パラメータ</title>
<variablelist>
<varlistentry>
<term>str</term>
<listitem>
<para>環境変数の名前を指定する文字列</para>
</listitem>
</varlistentry>
<varlistentry>
<term>rep</term>
<listitem>
<para>
オプションの文字列. このオプションの値を使用する時,
関数 <literal>getenv</literal> は,環境変数 <literal>str</literal>
が見つからない場合に値 <literal>rep</literal> を返します.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>env</term>
<listitem>
<para>環境変数の値を有する文字列</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>説明</title>
<para>
指定した環境変数が存在する場合,その値を返します.
</para>
</refsection>
<refsection>
<title>例</title>
<programlisting role="example"><![CDATA[
getenv('SCI')
getenv('FOO','foo')
]]></programlisting>
</refsection>
</refentry>
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