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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 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:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xml:id="strcat" xml:lang="en">
<refnamediv>
<refname>strcat</refname>
<refpurpose>concatenates character strings</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
txt = strcat(strings [,string_added])
txt = strcat(strings [,string_added, ["flag"]])
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>strings</term>
<listitem>
<para>a vector or matrix of strings.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>string_added</term>
<listitem>
<para>
a string added, default value is the zero length character
string <literal>""</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>txt</term>
<listitem>
<para>a string.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>"flag"</term>
<listitem>
<para>
a character (<literal>"r"</literal> for concatenation of
rows in the matrix <varname>strings</varname>,
<literal>"c"</literal> for concatenations of columns in the
matrix <varname>strings</varname>).
</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>
<code>txt = strcat(strings)</code> concatenates character strings:
<literal>txt = strings(1) + ... + strings(n)</literal>.
</para>
<para>
<code>txt = strcat(strings, string_added)</code> returns
<literal>txt = strings(1) + string_added + ... + string_added + strings(n)</literal>.
</para>
<para>
The plus symbol does the same: <code>"a"+"b"</code> is the
same as <code>strcat(["a","b"]).</code>.
</para>
<para>
If the size of <varname>strings</varname> is one, it returns
<code>txt = strings(1)</code>;
</para>
<para>
<code>strcat('A','B')</code> returns <literal>'A'</literal> and not
<literal>'AB'</literal> as <code>strcat(['A','B'])</code>.
</para>
<para>
If <varname>strings</varname> is a matrix of strings,
<code>txt = strcat(strings, "", "r")</code> returns a row vector of strings.
Each entry of <varname>txt</varname> results from the concatenation of rows along
the related column.
<code>txt = strcat(strings, "", "c")</code> returns a column vector of strings.
Each entry of <varname>txt</varname> results from the concatenation of columns along
the related row.
</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
strcat(string(1:10),',')
strcat(["a","b"])
strcat(["a","b"],'|')
strcat('A')
strcat('A','B')
strcat(['A','B'])
strcat(['A','B'],'')
m =["a" "b" ; "c" "d"];
strcat(m, "r")
strcat(m, "", "r")
strcat(m, "", "c")
strcat(m, "_and_", "r")
strcat(m, "_and_", "c")
]]></programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="string">string</link>
</member>
<member>
<link linkend="strings">strings</link>
</member>
</simplelist>
</refsection>
</refentry>
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