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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>9.2 Specifying which file to compile</title><link rel="stylesheet" type="text/css" href="../latex-suite.css"></link><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"></meta><link rel="home" href="index.html" title="Latex-Suite Reference"></link><link rel="up" href="latex-project.html" title="9 Multiple file LaTeX projects"></link><link rel="prev" href="latex-project-settings.html" title="9.1 Latex-Suite project settings"></link><link rel="next" href="latex-suite-commands-maps.html" title="10 Latex-Suite Commands and Maps"></link></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">9.2 Specifying which file to compile</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="latex-project-settings.html">Prev</a> </td><th width="60%" align="center">9 Multiple file LaTeX projects</th><td width="20%" align="right"> <a accesskey="n" href="latex-suite-commands-maps.html">Next</a></td></tr></table><hr></hr></div><div class="section" title="9.2 Specifying which file to compile"><div class="titlepage"><div><div><h3 class="title"><a id="latex-master-file"></a>9.2 Specifying which file to compile</h3></div></div></div><p>
In the example described <a class="link" href="latex-project.html#latex-project-example">previously</a>, if you are editing
<code class="literal">intro/intro.tex</code> and press <code class="literal">\ll</code>,
then you still want Latex-Suite to compile <code class="literal">main.tex</code>,
because <code class="literal">intro/intro.tex</code> is merely a fragment which
is <code class="literal">\input</code>'ed into <code class="literal">main.tex</code>. If
the master file is already specified using the
<code class="literal">*.latexmain</code> convention described <a class="link" href="latex-project.html#latex-project-example">previously</a>, then Latex-Suite will automatically
compile the master file when you are editing any of its
<code class="literal">\input</code>'ed fragments. Thus pressing
<code class="literal">\ll</code> while editing <code class="literal">intro/intro.tex</code>
will compile <code class="literal">main.tex</code>.
</p><a id="Tex_MainFileExpression"></a><p>
If you wish to use some different logic to specify the main file name,
you can specify a custom expression via the
<code class="literal">Tex_MainFileExpression</code> variable. This is a string
containing a valid vim expression. In addition, you can use a variable
<code class="literal">modifier</code> which is in the format used for
<code class="literal">|filename-modifiers|</code>, for example,
<code class="literal">':p:h'</code>. You should utilize this variable to modify
the filename of the main file.
</p><pre class="programlisting">let g:Tex_MainFileExpression = 'MainFile(modifier)'
function! MainFile(fmod)
if glob('*.latexmain') != ''
return fnamemodify(glob('*.latexmain'), a:fmod)
else
return ''
endif
endif</pre><p>
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