Re: scalar / hash problem in HTML::Parser
- From: halfcountplus@xxxxxxxxxxxxx (Mk)
- Date: Mon, 25 Feb 2008 10:00:12 -0500
On 02/25/2008 09:01:27 AM, Tim Bowden wrote:
-> Making progress. Needed to understand hash references, and how to
-> de-reference them.
delete($HASH{$KEY});
if that's what you mean; good luck with the stupid stick (i hope it ain't me)
->
-> Tim Bowden
->
-> On Mon, 2008-02-25 at 14:54 +0900, Tim Bowden wrote:
-> > Hi all,
-> >
-> > I'm using HTML::Parser to process files containing snippets of html
-> > looking like:
-> > <option value="1">First option</option><option value="2">Another
-> > choice</option><option value="4">pick me</option>
-> >
-> > I'm wanting to create a hash of option value, name pairs. Ie, 1 =>
-> > "First option",2=>"Another choice" and so on. Problem is, I don't
-> know
-> > how to handle the hash returned in $attr in the start sub:
-> >
-> > #!/usr/bin/perl -wT
-> > use strict;
-> > use HTML::Parser;
-> >
-> > my %choices;
-> > my $file = 'test_snippet';
-> > my $parser = HTML::Parser-> new(api_version => 3,
-> > start_h => [\&start, "tagname, attr"],
-> > );
-> >
-> > sub start {
-> > my ($tag, $attr) = @_;
-> > print "$tag\t$attr\n";
-> > # do something here to read the hash returned in $attr
-> > # and add the key value pair to %choices but what?
-> > }
-> > $parser->parse_file($file) or die "couldn't parse file";
-> >
-> >
-> > I realise it should be obvious and simple, but I feel like I've
-> been hit
-> > with the stupid stick for now. Any suggestions?
-> >
-> > Thanks,
-> > Tim Bowden
-> >
-> >
->
->
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