Space moving to next column (awk HTML)

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LEARN ABOUT MOJAVE

html::filter5.18

HTML::Filter(3) 					User Contributed Perl Documentation					   HTML::Filter(3)

NAME

       HTML::Filter - Filter HTML text through the parser

NOTE

       This module is deprecated. The "HTML::Parser" now provides the functionally of "HTML::Filter" much more efficiently with the the "default"
       handler.

SYNOPSIS

	require HTML::Filter;
	$p = HTML::Filter->new->parse_file("index.html");

DESCRIPTION

       "HTML::Filter" is an HTML parser that by default prints the original text of each HTML element (a slow version of cat(1) basically).  The
       callback methods may be overridden to modify the filtering for some HTML elements and you can override output() method which is called to
       print the HTML text.

       "HTML::Filter" is a subclass of "HTML::Parser". This means that the document should be given to the parser by calling the $p->parse() or
       $p->parse_file() methods.

EXAMPLES

       The first example is a filter that will remove all comments from an HTML file.  This is achieved by simply overriding the comment method to
       do nothing.

	 package CommentStripper;
	 require HTML::Filter;
	 @ISA=qw(HTML::Filter);
	 sub comment { }  # ignore comments

       The second example shows a filter that will remove any <TABLE>s found in the HTML file.	We specialize the start() and end() methods to
       count table tags and then make output not happen when inside a table.

	 package TableStripper;
	 require HTML::Filter;
	 @ISA=qw(HTML::Filter);
	 sub start
	 {
	    my $self = shift;
	    $self->{table_seen}++ if $_[0] eq "table";
	    $self->SUPER::start(@_);
	 }

	 sub end
	 {
	    my $self = shift;
	    $self->SUPER::end(@_);
	    $self->{table_seen}-- if $_[0] eq "table";
	 }

	 sub output
	 {
	     my $self = shift;
	     unless ($self->{table_seen}) {
		 $self->SUPER::output(@_);
	     }
	 }

       If you want to collect the parsed text internally you might want to do something like this:

	 package FilterIntoString;
	 require HTML::Filter;
	 @ISA=qw(HTML::Filter);
	 sub output { push(@{$_[0]->{fhtml}}, $_[1]) }
	 sub filtered_html { join("", @{$_[0]->{fhtml}}) }

SEE ALSO

       HTML::Parser

COPYRIGHT

       Copyright 1997-1999 Gisle Aas.

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.18.2							    2013-03-25							   HTML::Filter(3)

Shell Programming and Scripting