http://developer.apple.com/internet/macosx/perl.html

PERL 5.8.0 for Jaguar

Installation of perl requires that you have Mac OS X Developer Tools (July 2002 or later) installed. (It came with your OSX Server software package.

perl -v

This will check your current version.

trash ORIGINAL perl

rm -rf \
/usr/bin/perl* \
/usr/local/bin/perl* \
/System/Library/Perl \
/Library/Perl

cd /usr/local/
sudo mkdir src
sudo chown root:staff src
sudo chmod 775 src
cd src
curl -O ftp://ftp.cpan.org/pub/CPAN/src/perl-5.8.0.tar.gz
tar zxvf perl-5.8.0.tar.gz
cd perl-5.8.0

rm -f config.sh Policy.sh
setenv LC_ALL C
echo "setenv LC_ALL C" >> ~/.tcshrc

./Configure -de -Dprefix=/usr
make
make test
sudo make install

sudo perl -MCPAN -eshell
cpan> install Bundle::CPAN
cpan> install HTML::Parser