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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2006 - INRIA - Allan CORNET
*
* 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="en" xml:id="TCL_UnsetVar">
<refnamediv>
<refname>TCL_UnsetVar</refname>
<refpurpose>Remove a tcl
variable
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>OK=TCL_UnsetVar(varname [,interp])</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>varname</term>
<listitem>
<para>character string. Contains the name of the tcl/tk variable to
unset.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>interp</term>
<listitem>
<para>optional character string parameter. Name of the slave tcl
interpreter in which the operation has to be performed. If not
provided, it defaults to the main tcl interpreter created by
Scilab.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>ok</term>
<listitem>
<para>boolean. %T if varname was deleted.</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>This routine allows to unset a tcl variable.</para>
<para>
More information about Tcl/Tk: <ulink url="http://www.tcl.tk/doc/">http://www.tcl.tk/doc/</ulink>
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
TCL_SetVar("Scilab","OK")
TCL_GetVar("Scilab")
TCL_UnsetVar("Scilab")
TCL_ExistVar("Scilab")
TCL_CreateSlave('InterpSlave');
TCL_SetVar("Scilab","Good",'InterpSlave')
TCL_GetVar("Scilab",'InterpSlave')
TCL_UnsetVar("Scilab",'InterpSlave')
TCL_ExistVar("Scilab",'InterpSlave')
TCL_DeleteInterp('InterpSlave')
]]></programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="ScilabEval">ScilabEval</link>
</member>
<member>
<link linkend="TCL_EvalFile">TCL_EvalFile</link>
</member>
<member>
<link linkend="TCL_EvalStr">TCL_EvalStr</link>
</member>
<member>
<link linkend="TCL_GetVar">TCL_GetVar</link>
</member>
<member>
<link linkend="TCL_SetVar">TCL_SetVar</link>
</member>
<member>
<link linkend="TCL_ExistVar">TCL_ExistVar</link>
</member>
<member>
<link linkend="TCL_UpVar">TCL_UpVar</link>
</member>
<member>
<link linkend="TCL_CreateSlave">TCL_CreateSlave</link>
</member>
<member>
<link linkend="TCL_DeleteInterp">TCL_DeleteInterp</link>
</member>
</simplelist>
</refsection>
</refentry>
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