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<h4 class="subsection" id="String-encoding-1"><span>5.4.1 String encoding<a class="copiable-link" href="#String-encoding-1"> ¶</a></span></h4>
<a class="anchor" id="XREFunicode2native"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-unicode2native"><span><code class="def-type"><var class="var">native_bytes</var> =</code> <strong class="def-name">unicode2native</strong> <code class="def-code-arguments">(<var class="var">utf8_str</var>, <var class="var">codepage</var>)</code><a class="copiable-link" href="#index-unicode2native"> ¶</a></span></dt>
<dt class="deftypefnx def-cmd-deftypefn" id="index-unicode2native-1"><span><code class="def-type"><var class="var">native_bytes</var> =</code> <strong class="def-name">unicode2native</strong> <code class="def-code-arguments">(<var class="var">utf8_str</var>)</code><a class="copiable-link" href="#index-unicode2native-1"> ¶</a></span></dt>
<dd><p>Convert UTF-8 string <var class="var">utf8_str</var> to byte stream using <var class="var">codepage</var>.
</p>
<p>The character vector <var class="var">utf8_str</var> is converted to a byte stream
<var class="var">native_bytes</var> using the code page given by <var class="var">codepage</var>. The
string <var class="var">codepage</var> must be an identifier of a valid code page.
Examples for valid code pages are <code class="code">"ISO-8859-1"</code>,
<code class="code">"Shift-JIS"</code>, or <code class="code">"UTF-16"</code>. For a list of supported code
pages, see <a class="url" href="https://www.gnu.org/software/libiconv">https://www.gnu.org/software/libiconv</a>. If <var class="var">codepage</var>
is omitted or empty, the system default codepage is used.
</p>
<p>If any of the characters cannot be mapped into the codepage <var class="var">codepage</var>,
they are replaced with the appropriate substitution sequence for that
codepage.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFnative2unicode">native2unicode</a>.
</p></dd></dl>
<a class="anchor" id="XREFnative2unicode"></a><span style="display:block; margin-top:-4.5ex;"> </span>
<dl class="first-deftypefn">
<dt class="deftypefn" id="index-native2unicode"><span><code class="def-type"><var class="var">utf8_str</var> =</code> <strong class="def-name">native2unicode</strong> <code class="def-code-arguments">(<var class="var">native_bytes</var>, <var class="var">codepage</var>)</code><a class="copiable-link" href="#index-native2unicode"> ¶</a></span></dt>
<dt class="deftypefnx def-cmd-deftypefn" id="index-native2unicode-1"><span><code class="def-type"><var class="var">utf8_str</var> =</code> <strong class="def-name">native2unicode</strong> <code class="def-code-arguments">(<var class="var">native_bytes</var>)</code><a class="copiable-link" href="#index-native2unicode-1"> ¶</a></span></dt>
<dd><p>Convert byte stream <var class="var">native_bytes</var> to UTF-8 using <var class="var">codepage</var>.
</p>
<p>The numbers in the vector <var class="var">native_bytes</var> are rounded and clipped to
integers between 0 and 255. This byte stream is then mapped into the
code page given by the string <var class="var">codepage</var> and returned in the string
<var class="var">utf8_str</var>. Octave uses UTF-8 as its internal encoding. The string
<var class="var">codepage</var> must be an identifier of a valid code page. Examples for
valid code pages are <code class="code">"ISO-8859-1"</code>, <code class="code">"Shift-JIS"</code>, or
<code class="code">"UTF-16"</code>. For a list of supported code pages, see
<a class="url" href="https://www.gnu.org/software/libiconv">https://www.gnu.org/software/libiconv</a>. If <var class="var">codepage</var> is omitted
or empty, the system default codepage is used.
</p>
<p>If <var class="var">native_bytes</var> is a string vector, it is returned as is.
</p>
<p><strong class="strong">See also:</strong> <a class="ref" href="#XREFunicode2native">unicode2native</a>.
</p></dd></dl>
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