<html><head><title>[Example] 2 Installing and Loading the Example Package</title></head>
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<h1>2 Installing and Loading the Example Package</h1><p>
<P>
<H3>Sections</H3>
<oL>
<li> <A HREF="CHAP002.htm#SECT001">Installing the Example Package</a>
<li> <A HREF="CHAP002.htm#SECT002">Loading the Example Package</a>
</ol><p>
<p>
<p>
<h2><a name="SECT001">2.1 Installing the Example Package</a></h2>
<p><p>
To install the <font face="Gill Sans,Helvetica,Arial">Example</font> package, unpack the archive file, which should
have a name of form <code>example-</code><var>XXX</var><code>.zoo</code> for some version number <var>XXX</var>, by
typing
<p>
<code>unzoo -x example-</code><var>XXX</var><code></code>
<p>
in the <code>pkg</code> directory of your version of <font face="Gill Sans,Helvetica,Arial">GAP</font> 4, or in a directory
named <code>pkg</code> (e.g. in your home directory). (The only essential difference
with installing <font face="Gill Sans,Helvetica,Arial">Example</font> in a <code>pkg</code> directory different to the <font face="Gill Sans,Helvetica,Arial">GAP</font> 4
home directory is that one must start <font face="Gill Sans,Helvetica,Arial">GAP</font> with the <code>-l</code> switch,
e.g. if your private <code>pkg</code> directory is a subdirectory of <code>mygap</code> in your
home directory you might type:
<p>
<code>gap -l ";</code><var>myhomedir</var><code>/mygap"</code>
<p>
where <var>myhomedir</var> is the path to your home directory, which (since
<font face="Gill Sans,Helvetica,Arial">GAP</font> 4.3) may be replaced by a tilde. The empty path before the
semicolon is filled in by the default path of the <font face="Gill Sans,Helvetica,Arial">GAP</font> 4 home
directory.)
<p>
After unpacking the archive, go to the newly created <code>example</code> directory
and call <code>./configure </code><var>path</var><code></code> where <var>path</var> is the path to the <font face="Gill Sans,Helvetica,Arial">GAP</font> home
directory. So for example if you install the package in the main <code>pkg</code>
directory call
<p>
<pre>
./configure ../..
</pre>
<p>
This will fetch the architecture type for which <font face="Gill Sans,Helvetica,Arial">GAP</font> has been compiled
last and create a <code>Makefile</code>. Now simply call
<p>
<pre>
make
</pre>
<p>
to compile the binary and to install it in the appropriate place.
<p>
<p>
<h2><a name="SECT002">2.2 Loading the Example Package</a></h2>
<p><p>
To use the <font face="Gill Sans,Helvetica,Arial">Example</font> Package you have to request it explicitly. This is
done by calling
<p>
<pre>
gap> LoadPackage("example");
----------------------------------------------------------------
Loading Example 2.0
by Werner Nickel (http://www.mathematik.tu-darmstadt.de/~nickel)
Greg Gamble (http://www.math.rwth-aachen.de/~Greg.Gamble)
For help, type: ?Example package
----------------------------------------------------------------
true
</pre>
<p>
The <code>LoadPackage</code> command is described in Section <a href="../../../doc/htm/ref/CHAP075.htm#SSEC002.1">LoadPackage</a> in
the <font face="Gill Sans,Helvetica,Arial">GAP</font> Reference Manual.
<p>
If <font face="Gill Sans,Helvetica,Arial">GAP</font> cannot find a working binary, the call to <code>LoadPackage</code> will
still succeed but a warning is issued informing that the <code>HelloWorld()</code>
function will be unavailable.
<p>
If you want to load the <font face="Gill Sans,Helvetica,Arial">Example</font> package by default, you can put the
<code>LoadPackage</code> command into your <code>.gaprc</code> file (see Section <a href="../../../doc/htm/ref/CHAP003.htm#SECT004">The .gaprc file</a> in the <font face="Gill Sans,Helvetica,Arial">GAP</font> Reference Manual).
<p>
<p>
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<P>
<address>Example manual<br>Januar 2006
</address></body></html>
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