.html">Index</a></div>

<p>For most applications, a single interpreter and subroutines are
quite sufficient. However, if you are building a client-server
system (for example) you may need to have several interpreters
talking to different clients, and maintaining their state. You can
do this with state variables, naming conventions, or swapping state
to and from disk, but that gets messy.</p>

<p>The <code class="command">interp</code> command creates new
child interpreters within an existing interpreter. Th