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<h4 class="subsection">2.4.6 Customizing <code>readline</code></h4>
<p><a name="index-g_t_0040file_007b_007e_002f_002einputrc_007d-129"></a><a name="index-customizing-_0040code_007breadline_007d-130"></a><a name="index-g_t_0040code_007breadline_007d-customization-131"></a>
Octave uses the GNU Readline library for command-line editing and
history features. Readline is very flexible and can be modified through
a configuration file of commands (See the GNU Readline library for the
exact command syntax). The default configuration file is normally
<samp><span class="file">~/.inputrc</span></samp>.
<p>Octave provides two commands for initializing Readline and thereby changing
the command line behavior.
<!-- input.cc -->
<p><a name="doc_002dread_005freadline_005finit_005ffile"></a>
<div class="defun">
— Built-in Function: <b>read_readline_init_file</b> (<var>file</var>)<var><a name="index-read_005freadline_005finit_005ffile-132"></a></var><br>
<blockquote><p>Read the readline library initialization file <var>file</var>. If
<var>file</var> is omitted, read the default initialization file (normally
<samp><span class="file">~/.inputrc</span></samp>).
<p>See <a href="../readline/Readline-Init-File.html#Readline-Init-File">Readline Init File</a>,
for details.
</p></blockquote></div>
<!-- input.cc -->
<p><a name="doc_002dre_005fread_005freadline_005finit_005ffile"></a>
<div class="defun">
— Built-in Function: <b>re_read_readline_init_file</b> ()<var><a name="index-re_005fread_005freadline_005finit_005ffile-133"></a></var><br>
<blockquote><p>Re-read the last readline library initialization file that was read.
See <a href="../readline/Readline-Init-File.html#Readline-Init-File">Readline Init File</a>,
for details.
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