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<h1>perlepoc</h1>
<!-- -->
<ul><li><a href="#NAME">NAME</a><li><a href="#SYNOPSIS">SYNOPSIS</a><li><a href="#INTRODUCTION">INTRODUCTION</a><li><a href="#INSTALLING-PERL-ON-EPOC">INSTALLING PERL ON EPOC</a><li><a href="#STARTING-PERL-ON-EPOC">STARTING PERL ON EPOC</a><ul><li><a href="#Features-of-Perl-on-Epoc">Features of Perl on Epoc</a><li><a href="#Restrictions-of-Perl-on-Epoc">Restrictions of Perl on Epoc</a><li><a href="#Compiling-Perl-5-on-the-EPOC-cross-compiling-environment">Compiling Perl 5 on the EPOC cross compiling environment</a></ul><li><a href="#SUPPORT-STATUS-OF-PERL-ON-EPOC">SUPPORT STATUS OF PERL ON EPOC</a><li><a href="#AUTHOR">AUTHOR</a><li><a href="#LAST-UPDATE">LAST UPDATE</a></ul><a name="NAME"></a><h1>NAME</h1>
<p>README.epoc - Perl for EPOC</p>
<a name="SYNOPSIS"></a><h1>SYNOPSIS</h1>
<p>Perl 5 README file for the EPOC Release 5 operating system.</p>
<a name="INTRODUCTION"></a><h1>INTRODUCTION</h1>
<p>EPOC is an OS for palmtops and mobile phones. For more information look
at: <a href="http://www.symbian.com/">http://www.symbian.com/</a></p>
<p>This is a port of perl to the epocemx SDK by Eberhard Mattes, which
itself uses the SDK by symbian. Essentially epocemx it is a POSIX
look alike environment for the EPOC OS. For more information look at:
<a href="http://epocemx.sourceforge.net/">http://epocemx.sourceforge.net/</a></p>
<p>perl and epocemx runs on Epoc Release 5 machines: Psion 5mx, 5mx Pro,
Psion Revo, Psion Netbook and on the Ericsson M128. It may run on Epoc
Release 3 Hardware (Series 5 classic), too. For more information about
this hardware please refer to <a href="http://www.psion.com/">http://www.psion.com/</a></p>
<p>Vendors which like to have support for their devices are free to send
me a sample.</p>
<a name="INSTALLING-PERL-ON-EPOC"></a><h1>INSTALLING PERL ON EPOC</h1>
<p>You can download a ready-to-install version from
<a href="http://www.oflebbe.de/perl/perl5.html">http://www.oflebbe.de/perl/perl5.html</a></p>
<p>You will need at least ~6MB free space in order to install and run perl.</p>
<p>Please install the emxusr.sis package from
<a href="http://epocemx.sourceforge.net/">http://epocemx.sourceforge.net/</a> first.</p>
<p>Install perl.sis on the EPOC machine. If you do not know how to do
that, consult your PsiWin documentation.</p>
<p>Perl itself and its standard library is using 4 MB disk space.
Unicode support and some other modules are left out. (For details,
please look into epoc/createpkg.pl). If you like to use these modules,
you are free to copy them from a current perl release.</p>
<a name="STARTING-PERL-ON-EPOC"></a><h1>STARTING PERL ON EPOC</h1>
<p>Please use the epocemx shell to start perl. perl integrates with the
conventions of epocemx.</p>
<a name="Features-of-Perl-on-Epoc"></a><h2>Features of Perl on Epoc</h2>
<p>The built-in function EPOC::getcwd returns the current directory.</p>
<a name="Restrictions-of-Perl-on-Epoc"></a><h2>Restrictions of Perl on Epoc</h2>
<p>Features are left out, because of restrictions of the POSIX support in
EPOC:</p>
<ul>
<li>
<p>socket IO is only implemented poorly. You can only use sysread and
syswrite on them. The commands read, write, print, <> do not work for
sockets. This may change iff epocemx supports sockets.</p>
</li>
<li>
<p>kill, alarm and signals. Do not try to use them. This may be
impossible to implement on EPOC.</p>
</li>
<li>
<p>select is missing.</p>
</li>
<li>
<p>binmode does not exist. (No CR LF to LF translation for text files)</p>
</li>
<li>
<p>EPOC does not handle the notion of current drive and current
directory very well (i.e. not at all, but it tries hard to emulate
one). See PATH.</p>
</li>
<li>
<p>Heap is limited to 4MB.</p>
</li>
<li>
<p>Dynamic loading is not implemented.</p>
</li>
</ul>
<a name="Compiling-Perl-5-on-the-EPOC-cross-compiling-environment"></a><h2>Compiling Perl 5 on the EPOC cross compiling environment</h2>
<p>Sorry, this is far too short.</p>
<ul>
<li>
<p>You will need the epocemx SDK from Eberhard Mattes.</p>
</li>
<li>
<p>Get the Perl sources from your nearest CPAN site.</p>
</li>
<li>
<p>Unpack the sources.</p>
</li>
<li>
<p>Build a native perl from this sources... Make sure to save the
miniperl executable as miniperl.native.</p>
<p>Start again from scratch</p>
<pre class="verbatim"><ol><li> cp epoc/* .</li><li> ./Configure -S</li><li> make </li><li> cp miniperl.native miniperl</li><li> touch miniperl.exe</li><li> make</li><li> perl createpkg.pl </li><li></li><li> emxsis perl.pkg perl.sis</li></ol></pre></li>
</ul>
<a name="SUPPORT-STATUS-OF-PERL-ON-EPOC"></a><h1>SUPPORT STATUS OF PERL ON EPOC</h1>
<p>I'm offering this port "as is". You can ask me questions, but I can't
guarantee I'll be able to answer them. Since the port to epocemx is
quite new, please check the web for updates first.</p>
<p>Very special thanks to Eberhard Mattes for epocemx.</p>
<a name="AUTHOR"></a><h1>AUTHOR</h1>
<p>Olaf Flebbe <olaf@oflebbe.de>
<a href="http://www.oflebbe.de/perl/perl5.html">http://www.oflebbe.de/perl/perl5.html</a></p>
<a name="LAST-UPDATE"></a><h1>LAST UPDATE</h1>
<p>2003-01-18</p>
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