Speeding up loading the XHTML DTD on Linux (Mandriva Cooker x86-32)

Hi all,

I have the following code to parse XHTML files and find the lines inside the 
TEXT nodes which contain an ASCII double quotes (<< " >> ). It works, but 
fails upon encountering an "&nbsp;" entity. 

However, with load_ext_dtd set to 1, it tries to load the DTD from the network 
which takes a long time here. I'm trying to put the XHTML DTDs in 
/etc/xml/catalog , but I don't know what's the best way to do it. I can see 
the XHTML DTDs in several Mandriva Cooker packages, but none of them seems to 
be definitive.

If anyone can shed any light on it, I would appreciate it.

Regards,

	Shlomi Fish

[ CODE ]
#!/usr/bin/perl 

use strict;
use warnings;

use XML::LibXML;
use XML::LibXML::Reader;
use XML::LibXML::XPathContext;
use Getopt::Long;

my $out_fn;

# Input the filename
foreach my $filename (@ARGV)
{
    my $reader = XML::LibXML::Reader->new(
        location => $filename, load_ext_dtd => 0, 'no_network' => 1
    ) or die "Cannot read '$filename'.";
    while ($reader->read())
    {
        if ($reader->nodeType() == XML_TEXT_NODE)
        {
            my $data = $reader->value;

            my @lines = split(/\n/, $data, -1);

            foreach my $idx (0 .. $#lines)
            {
                my $line = $lines[$idx];

                if ($line =~ m{"})
                {
                    printf {*STDOUT} ("%s:%d:%s\n",
                        $filename, $reader->lineNumber()+$idx, $line
                    );
                }
            }
        }
    }

}

[ / CODE ]

-- 
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Shlomi Fish       http://www.shlomifish.org/
UNIX Fortune Cookies - http://www.shlomifish.org/humour/fortunes/

In Soviet Russia, every time you kill a kitten, God masturbates.
    -- http://linux.slashdot.org/comments.pl?sid=195378&cid=16009070

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