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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-en.txt
*
-->
<refentry version="5.0-subset Scilab" xml:id="save" 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: 2008-03-26 09:50:39 +0100 (mer, 26 mar 2008)
$</pubdate>
</info>
<refnamediv>
<refname>save</refname>
<refpurpose>Save a variable or a serie of variables in a binary
file</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>save(filename [,x1,x2,...,xn])
save(fd [,x1,x2,...,xn])</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry>
<term>filename</term>
<listitem>
<para>Character string containing the path of the file</para>
</listitem>
</varlistentry>
<varlistentry>
<term>fd</term>
<listitem>
<para>A file descriptor given by a call to mopen</para>
</listitem>
</varlistentry>
<varlistentry>
<term>xi</term>
<listitem>
<para>Arbitrary Scilab variable(s)</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>The <literal>save</literal> command can be used to save Scilab
current variables in a binary file. If a variable is a graphic handle, the
<literal>save</literal> function saves all the corresponding <link
linkend="graphics_entities">graphics_entities</link> definition.</para>
<para>Since Scilab 5.0, all <link linkend="uimenu">uimenu</link> or <link
linkend="uicontrol">uicontrol</link> handles are also saved by this
function.</para>
<para>The file can be given either by its paths or by its descriptor
previously given by <literal>mopen</literal>.</para>
<para><literal>save(filename)</literal> saves all current variables in the
file defined by <literal>filename</literal>.</para>
<para><literal>save(fd)</literal> saves all current variables in the file
defined by the descriptor <literal>fd</literal>.</para>
<para><literal>save(filename,x,y)</literal> or
<literal>save(fd,x,y)</literal> saves only named variables
<literal>x</literal> and <literal>y</literal>.</para>
<para>Saved variables can be reloaded by the <literal><link linkend="load">load</link></literal>
command.</para>
<para>Note that the written file is portable to other operating systems
and architectures (little and big endian).</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
a=eye(2,2);b=ones(a);
save('val.dat',a,b);
clear a
clear b
load('val.dat','a','b');
// sequential save into a file
fd=mopen('TMPDIR/foo','wb')
for k=1:4, x=k^2;save(fd,x,k),end
mclose(fd)
fd=mopen('TMPDIR/foo','rb')
for i=1:4, load(fd,'x','k');x,k,end
mclose(fd)
// appending variables to an old save file
fd=mopen('TMPDIR/foo','r+')
mseek(0,fd,'end')
lst=list(1,2,3)
save(fd,lst)
mclose(fd)
]]></programlisting>
</refsection>
<refsection>
<title>See Also</title>
<simplelist type="inline">
<member><link linkend="load">load</link></member>
<member><link linkend="write">write</link></member>
<member><link linkend="save_format">save_format</link></member>
<member><link linkend="mopen">mopen</link></member>
</simplelist>
</refsection>
</refentry>
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