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<a name="Filename-extensions"></a>
Next: <a rel="next" accesskey="n" href="Alternate-methods-of-mixing-text-and-music.html#Alternate-methods-of-mixing-text-and-music">Alternate methods of mixing text and music</a>,
Previous: <a rel="previous" accesskey="p" href="Invoking-lilypond_002dbook.html#Invoking-lilypond_002dbook">Invoking lilypond-book</a>,
Up: <a rel="up" accesskey="u" href="LilyPond_002dbook.html#LilyPond_002dbook">LilyPond-book</a>
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<h3 class="section">4.5 Filename extensions</h3>
<p>You can use any filename extension for the input file, but if you do not
use the recommended extension for a particular format you may need to
manually specify the output format; for details, see <a href="Invoking-lilypond_002dbook.html#Invoking-lilypond_002dbook">Invoking lilypond-book</a>. Otherwise, <samp><span class="command">lilypond-book</span></samp> automatically
selects the output format based on the input filename's extension.
<blockquote>
<p><table summary=""><tr align="left"><td valign="top" width="20%"><strong>extension</strong> </td><td valign="top" width="50%"><strong>output format</strong>
<br></td></tr><tr align="left"><td valign="top" width="20%"><br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.html</span></samp> </td><td valign="top" width="50%">HTML
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.itely</span></samp> </td><td valign="top" width="50%">Texinfo
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.latex</span></samp> </td><td valign="top" width="50%">LaTeX
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.lytex</span></samp> </td><td valign="top" width="50%">LaTeX
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.lyxml</span></samp> </td><td valign="top" width="50%">DocBook
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.tely</span></samp> </td><td valign="top" width="50%">Texinfo
<br></td></tr><tr align="left"><td valign="top" width="20%"><samp><span class="file">.tex</span></samp> </td><td valign="top" width="50%">LaTeX
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<br></td></tr></table>
</blockquote>
<p>If you use the same filename extension for the input file than the
extension <samp><span class="command">lilypond-book</span></samp> uses for the output file, and if the
input file is in the same directory as <samp><span class="command">lilypond-book</span></samp> working
directory, you must use <code>--output</code> option to make
<samp><span class="command">lilypond-book</span></samp> running, otherwise the will exit with an error
message like “Output would overwrite input file”.
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Next: <a rel="next" accesskey="n" href="Alternate-methods-of-mixing-text-and-music.html#Alternate-methods-of-mixing-text-and-music">Alternate methods of mixing text and music</a>,
Previous: <a rel="previous" accesskey="p" href="Invoking-lilypond_002dbook.html#Invoking-lilypond_002dbook">Invoking lilypond-book</a>,
Up: <a rel="up" accesskey="u" href="LilyPond_002dbook.html#LilyPond_002dbook">LilyPond-book</a>
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