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<refentry id="sprintf">
<indexterm id="Indexsprintf"><primary>sprintf</primary></indexterm>
<refentryinfo><title>Strings:Manipulation</title></refentryinfo>
<refmeta>
<refentrytitle>sprintf</refentrytitle>
</refmeta>
<refnamediv>
<refname>sprintf</refname>
<refpurpose>
printf-style formatted output to a string variable.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
<emphasis>sprintf</emphasis> write printf-style formatted output to a string variable, similarly to the C function sprintf(). <emphasis>sprintf</emphasis> runs at i-time only.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis>Sdst <command>sprintf</command> Sfmt, xarg1[, xarg2[, ... ]]</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>Sfmt</emphasis> -- format string, has the same format as in printf() and other similar C functions, except length modifiers (l, ll, h, etc.) are not supported. The following conversion specifiers are allowed:
<itemizedlist>
<listitem>
<para>d, i, o, u, x, X, e, E, f, F, g, G, c, s</para>
</listitem>
</itemizedlist>
</para>
<para>
<emphasis>xarg1, xarg2, ...</emphasis> -- input arguments (max. 30) for format, should be i-rate for all conversion specifiers except %s, which requires a string argument. Integer formats like %d round the input values to the nearest integer.
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>Sdst</emphasis> -- output string variable
</para>
</refsect1>
<refsect1>
<title>Example</title>
<programlisting>
Sname <emphasis role="opc">sprintf</emphasis> "soundin-%04d.wav", ifileno
Smsg <emphasis role="opc">sprintf</emphasis> "The file name is: '%s'", Sname
<emphasis role="opc">puts</emphasis> Smsg, 1
asig <emphasis role="opc">soundin</emphasis> Sname</programlisting>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="sprintfk"><citetitle>sprintfk</citetitle></link>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>
<simplelist>
<member>Author: Istvan Varga</member>
<member>2005</member>
</simplelist>
</para>
</refsect1>
</refentry>
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