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<head>
<title>UK TeX FAQ -- question label instpackages</title>
</head><body>
<h3>Installing a new package</h3>
<p>The first step in installing a new package for your LaTeX system
is usually to <a href="FAQ-findfiles.html">find where it is</a>
and then to get it, usually from CTAN. However MiKTeX,
since version 2.1, offers a <a href="FAQ-miktexinst.html">simpler procedure</a>
than that described here, for packages it knows about.
<p>Ordinarily, you should download the whole distribution directory; the
only occasion when this is not necessary is when you are getting
something from one of the (La)TeX contributed "<i>misc</i>"
directories on CTAN; these directories contain collections of
single files, which are supposedly complete in themselves.
<p>A small package <<i>smallpack</i>> might be just a single <code>.sty</code> file
(typically <i>smallpack.sty</i>) with the usage instructions either
included as comments in the file or in a seperate user manual or
<i>README</i> file. More often a package <<i>pack</i>> will come as
a pair of files, <i>pack.ins</i> and <i>pack.dtx</i>, written to be
used with the LaTeX <i>doc</i> system. The package code must be
extracted from these files. If there is a <i>README</i> file as part
of the package distribution, read it!
<p>In the <i>doc</i> system, the user manual and documented package
code is in the <code>.dtx</code> file, and the <code>.ins</code> file contains LaTeX
instructions on what code should be extracted from the <code>.dtx</code> file. To
unpack a <i>doc</i> package <<i>pack</i>>, do the following:
<ul>
<li> Run latex on <i>pack.ins</i>. This will generate one or more
files (normally a <i>pack.sty</i> file but there may be others
depending on the particular package).
<li> Run latex on <i>pack.dtx</i> as a start to getting the user
manual and possibly a commented version of the package code.
<li> Run latex again on <i>pack.dtx</i>, which should resolve any
references and generate a Table of Contents if it was called for.
<li> LaTeX may have said "<code>No file pack.ind</code>"; this is the
source for the command index; if you want the index, process the raw
material with:<br>
<code> makeindex -s gind.ist pack</code><br>
and run LaTeX again.
<li> Print and read <i>pack.dvi</i>
</ul>
Sometimes a user manual is supplied seperately from the <i>.dtx</i>
file. Process this <em>after</em> doing the above, just in case the user
manual uses the package it is describing.
<p>Almost the final stage of the installation is to put the package
file(s) <em>'where LaTeX can find them'</em>. Where the magic place
is, and how you put the files there depends on your particular
LaTeX system and how it is set up (see
<a href="FAQ-tds.html">the TeX directory structure standard</a> for
general principles,
<a href="FAQ-wherefiles.html">where to put files</a> for specific advice).
<p>The final stage is to tell LaTeX that there is a new file, or
files, that it should be able to go and find. Most free LaTeX systems
maintain a database of the names and locations of latex-related files
to enable faster searching. In these systems the database must be
updated, using the script or program provided with the distribution
for this purpose.
<dl>
<dt>teTeX<dd> Run: <br>
<code>texhash</code>
<dt>web2c<dd> On a current <i>web2c</i> distribution, <code>texhash</code>
ought to work; if it doesn't, run <code>mktexlsr</code>
<dt>fpTeX<dd> Click
<code>Start</code>->
<code>Programs</code>->
<code>Texlive</code>->
<code>Maintenance</code>->
<code>Rebuild ls-R filenames databases</code>, or open a "command"
window and run <code>texhash</code>
<dt>MiKTeX<dd> On a <i>MikTeX</i> distribution earlier than v2.0,
click
<code>Start</code>->
<code>Programs</code>->
<code>MikTeX</code>->
<code>Maintenance</code>->
<code>Refresh filename database</code>
<p> or get a DOS window and run:<br>
<code>initexmf --update-fndb</code>
<p> On a <i>MikTeX</i> distribution v2.0 or later, do:<br>
<code>Start</code>->
<code>Programs</code>->
<code>MikTeX 2</code>->
<code>MikTeX Options</code>, and press the
<code>Refresh now</code> button (<code>Update filename database</code> in
earlier versions of MiKTeX).
</dl>
<p>Remember that a <code>\usepackage{pack}</code> command must be put in the preamble
of each document in which you want to use the <i>pack</i> package.
<p><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=instpackages">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=instpackages</a>
</body>
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