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Top Forums UNIX for Beginners Questions & Answers How to remove unused html codes from the file using UNIX? Post 303037665 by Neo on Friday 9th of August 2019 05:59:54 AM
Old 08-09-2019
There are specific PHP commands which will transform HTML files and strip out certain HTML entities, for example:

Code:
<?php
echo strip_tags("Hello <b>world!</b>");
?>

See also:

Code:
strip_tags ( string $str [, string $allowable_tags ] ) : string

Reference:

PHP: strip_tags - Manual

However, you might also find joy with

Code:
htmlspecialchars ( string $string [, int $flags = ENT_COMPAT | ENT_HTML401 [, string $encoding = ini_get("default_charset") [, bool $double_encode = TRUE ]]] ) : string

... depending on your exact requirements:

PHP: htmlspecialchars - Manual

Or even:

PHP: htmlentities - Manual

Please keep in mind that "web-centric" programming languages like PHP and others have a rich set of commands built to transform and process HTML files; and most web developers, including me, use these tools to make the transformation(s) you are considering.

PHP runs "just fine" from the "UNIX" or "Linux" command line in most modern operating systems.

But, as Don mentioned, without knowing the details of your OS, we are just shooting in the dark.
 

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TIDY.HTML(3)								 1							      TIDY.HTML(3)

tidy::html - Returns atidyNodeobject starting from the <html> tag of the tidy parse tree

       Object oriented style

SYNOPSIS
tidyNode tidy::html (void ) DESCRIPTION
Procedural style tidyNode tidy_get_html (tidy $object) Returns a tidyNode object starting from the <html> tag of the tidy parse tree. PARAMETERS
o $object - The Tidy object. RETURN VALUES
Returns the tidyNode object. EXAMPLES
Example #1 tidy.html(3) example <?php $html = ' <html> <head> <title>test</title> </head> <body> <p>paragraph</p> </body> </html>'; $tidy = tidy_parse_string($html); $html = $tidy->html(); echo $html->value; ?> The above example will output: <html> <head> <title>test</title> </head> <body> <p>paragraph</p> </body> </html> NOTES
Note This function is only available with Zend Engine 2 (PHP >= 5.0.0). SEE ALSO
tidy.body(3), tidy.head(3). PHP Documentation Group TIDY.HTML(3)
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