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<refentry id="fouti">
<indexterm id="IndexFouti"><primary>fouti</primary></indexterm>
<refentryinfo><title>Signal I/O:File I/O</title></refentryinfo>
<refmeta>
<refentrytitle>fouti</refentrytitle>
</refmeta>
<refnamediv>
<refname>fouti</refname>
<refpurpose>
Outputs i-rate signals of an arbitrary number of channels to a specified file.
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<para>
<emphasis>fouti</emphasis> output <emphasis>N</emphasis> i-rate signals to a specified file of <emphasis>N</emphasis> channels.
</para>
</refsect1>
<refsect1>
<title>Syntax</title>
<synopsis><command>fouti</command> ihandle, iformat, iflag, iout1 [, iout2, iout3,....,ioutN]</synopsis>
</refsect1>
<refsect1>
<title>Initialization</title>
<para>
<emphasis>ihandle</emphasis> -- a number which specifies this file.
</para>
<para>
<emphasis>iformat</emphasis> -- a flag to choose output file format:
<itemizedlist>
<listitem>
<para>0 - floating point in text format</para>
</listitem>
<listitem>
<para>1 - 32-bit floating point in binary format</para>
</listitem>
</itemizedlist>
</para>
<para>
<emphasis>iflag</emphasis> -- choose the mode of writing to the ASCII file (valid only in ASCII mode; in binary mode <emphasis>iflag</emphasis> has no meaning, but it must be present anyway). <emphasis>iflag</emphasis> can be a value chosen among the following:
<itemizedlist>
<listitem>
<para>0 - line of text without instrument prefix</para>
</listitem>
<listitem>
<para>1 - line of text with instrument prefix (see below)</para>
</listitem>
<listitem>
<para>2 - reset the time of instrument prefixes to zero (to be used only in some particular cases. See below)</para>
</listitem>
</itemizedlist>
</para>
<para>
<emphasis>iout,..., ioutN</emphasis> -- values to be written to the file
</para>
</refsect1>
<refsect1>
<title>Performance</title>
<para>
<emphasis>fouti</emphasis> and <link linkend="foutir"><citetitle>foutir</citetitle></link> write i-rate values to a file. The main use of these opcodes is to generate a score file during a realtime session. For this purpose, the user should set <emphasis>iformat</emphasis> to 0 (text file output) and <emphasis>iflag</emphasis> to 1, which enable the output of a prefix consisting of the strings <emphasis>inum</emphasis>, <emphasis>actiontime</emphasis>, and <emphasis>duration</emphasis>, before the values of <emphasis>iout1...ioutN</emphasis> arguments. The arguments in the prefix refer to instrument number, action time and duration of current note.
</para>
<para>
Notice that <link linkend="fout"><citetitle>fout</citetitle></link> and <link linkend="foutk"><citetitle>foutk</citetitle></link> can use either a string containing a file pathname, or a handle-number generated by <link linkend="fiopen"><citetitle>fiopen</citetitle></link>. Whereas, with <emphasis>fouti</emphasis> and <link linkend="foutir"><citetitle>foutir</citetitle></link>, the target file can be only specified by means of a handle-number.
</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="fiopen"><citetitle>fiopen</citetitle></link>,
<link linkend="fout"><citetitle>fout</citetitle></link>,
<link linkend="foutir"><citetitle>foutir</citetitle></link>,
<link linkend="foutk"><citetitle>foutk</citetitle></link>
</para>
</refsect1>
<refsect1>
<title>Credits</title>
<para>
<simplelist>
<member>Author: &namegabriel;</member>
<member>Italy</member>
<member>1999</member>
</simplelist>
</para>
<para>New in Csound version 3.56</para>
</refsect1>
</refentry>
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