remove large portion of web page code between two tags Post: 302632161

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LEARN ABOUT SUSE

html::clean

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

NAME

       HTML::Clean - Cleans up HTML code for web browsers, not humans

SYNOPSIS

	 use HTML::Clean;
	 $h = new HTML::Clean($filename); # or..
	 $h = new HTML::Clean($htmlcode);

	 $h->compat();
	 $h->strip();
	 $data = $h->data();
	 print $$data;

DESCRIPTION

       The HTML::Clean module encapsulates a number of common techniques for minimizing the size of HTML files.  You can typically save between
       10% and 50% of the size of a HTML file using these methods.  It provides the following features:

       Remove unneeded whitespace (begining of line, etc)
       Remove unneeded META elements.
       Remove HTML comments (except for styles, javascript and SSI)
       Replace tags with equivilant shorter tags (<strong> --> <b>)
       etc.

       The entire proces is configurable, so you can pick and choose what you want to clean.

THE HTML
::Clean CLASS
   $h = new HTML::Clean($dataorfile, [$level]);
       This creates a new HTML::Clean object.  A Prerequisite for all other functions in this module.

       The $dataorfile parameter supplies the input HTML, either a filename, or a reference to a scalar value holding the HTML, for example:

	 $h = new HTML::Clean("/htdocs/index.html");
	 $html = "<strong>Hello!</strong>";
	 $h = new HTML::Clean($html);

       An optional 'level' parameter controls the level of optimization performed.  Levels range from 1 to 9.  Level 1 includes only simple fast
       optimizations.  Level 9 includes all optimizations.

   $h->initialize($dataorfile)
       This function allows you to reinitialize the HTML data used by the current object.  This is useful if you are processing many files.

       $dataorfile has the same usage as the new method.

       Return 0 for an error, 1 for success.

   $h->level([$level])
       Get/set the optimization level.	$level is a number from 1 to 9.

   $myref = $h->data()
       Returns the current HTML data as a scalar reference.

   strip(\%options);
       Removes excess space from HTML

       You can control the optimizations used by specifying them in the %options hash reference.

       The following options are recognized:

       boolean values (0 or 1 values)
		 whitespace    Remove excess whitespace
		 shortertags   <strong> -> <b>, etc..
		 blink	       No blink tags.
		 contenttype   Remove default contenttype.
		 comments      Remove excess comments.
		 entities      &quot; -> ", etc.
		 dequote       remove quotes from tag parameters where possible.
		 defcolor      recode colors in shorter form. (#ffffff -> white, etc.)
		 javascript    remove excess spaces and newlines in javascript code.
		 htmldefaults  remove default values for some html tags
		 lowercasetags translate all HTML tags to lowercase

       parameterized values
		 meta	     Takes a space separated list of meta tags to remove,
			     default "GENERATOR FORMATTER"

		 emptytags   Takes a space separated list of tags to remove when there is no
			     content between the start and end tag, like this: <b></b>.
			     The default is 'b i font center'

   compat()
       This function improves the cross-platform compatibility of your HTML.  Currently checks for the following problems:

       Insuring all IMG tags have ALT elements.
       Use of Arial, Futura, or Verdana as a font face.
       Positioning the <TITLE> tag immediately after the <head> tag.

   defrontpage();
       This function converts pages created with Microsoft Frontpage to something a Unix server will understand a bit better.  This function
       currently does the following:

       Converts Frontpage 'hit counters' into a unix specific format.
       Removes some frontpage specific html comments

SEE ALSO

   Modules
       FrontPage::Web, FrontPage::File

   Web Sites
       Distribution Site - http://people.itu.int/~lindner/

AUTHORS

       Paul Lindner for the International Telecommunication Union (ITU)

COPYRIGHT

       The HTML::Strip module is Copyright (c) 1998,99 by the ITU, Geneva Switzerland.	All rights reserved.

       You may distribute under the terms of either the GNU General Public License or the Artistic License, as specified in the Perl README file.

POD ERRORS

       Hey! The above document had some coding errors, which are explained below:

       Around line 66:
	   You forgot a '=back' before '=head2'

       Around line 658:
	   =back without =over

perl v5.12.1							    2010-07-05							    HTML::Clean(3)

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