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Top Forums UNIX for Beginners Questions & Answers Multiline html tag parse shell script Post 303040234 by stomp on Friday 25th of October 2019 08:09:45 AM
Old 10-25-2019
Since HTML is very similar to XML, you may use an xml tool to parse your file.

Since your HTML-File is not fully standards compliant, the parser complains about it and the file has either be adapted by hand to be compliant or to be preprocessed prior to the parsing. The <br> is the problematic element. Compliant would be <br/> with a slash within the tag.

So you can do it with an xmlparser like xmlstarlet in three steps:

Code:
sed 's|<br>|<br/>|gi' data.html      |
  xmlstarlet sel -t -v '//body/div/p'   |
  sed -e '/^\s*$/d' -e 's/^\s*//'

1. Make the html file compliant by replacing the br-Tags
2. Get the wanted HTML-Element with xmlstarlet
3. suppress unwanted empty lines and leading whitespace in data / xmlstarlet output

Last edited by stomp; 10-25-2019 at 09:31 AM..
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Mojo::DOM::HTML(3pm)					User Contributed Perl Documentation				      Mojo::DOM::HTML(3pm)

NAME
Mojo::DOM::HTML - HTML5/XML engine SYNOPSIS
use Mojo::DOM::HTML; # Turn HTML5 into DOM tree my $html = Mojo::DOM::HTML->new; $html->parse('<div><p id="a">A</p><p id="b">B</p></div>'); my $tree = $html->tree; DESCRIPTION
Mojo::DOM::HTML is the HTML5/XML engine used by Mojo::DOM. ATTRIBUTES
Mojo::DOM::HTML implements the following attributes. "charset" my $charset = $html->charset; $html = $html->charset('UTF-8'); Charset used for decoding and encoding HTML5/XML. "tree" my $tree = $html->tree; $html = $html->tree(['root', [qw(text lalala)]]); Document Object Model. "xml" my $xml = $html->xml; $html = $html->xml(1); Disable HTML5 semantics in parser and activate case sensitivity, defaults to auto detection based on processing instructions. METHODS
Mojo::DOM::HTML inherits all methods from Mojo::Base and implements the following new ones. "parse" $html = $html->parse('<foo bar="baz">test</foo>'); Parse HTML5/XML document. "render" my $xml = $html->render; Render DOM to XML. SEE ALSO
Mojolicious, Mojolicious::Guides, <http://mojolicio.us>. perl v5.14.2 2012-09-05 Mojo::DOM::HTML(3pm)
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