Extract HTML Meta Data with Perl
Perl is a programming language that is commonly used by programmers because of its ease of use for general purposes. Programmers who have been programming for a while but are new to Perl will find it easy to learn, since it was influenced by other programming languages. The program uses functions similar to other programming languages. Developed by Larry Wall in 1987, it was originally a text manipulation program, but later versions have far exceeded its original purpose. Perl, known as a reporting language and a practical extraction program, is now used in network programming, video games, web development, and much more.
Metadata refers to information describing data elements or attributes like name, type, size, etc. This information is used to better understand the type of content being presented. HTML facilitates the use of metadata in coding and structuring a website. The metadata found in HTML code is used to describe what the website is about, and allows search engine robots to crawl for this information when a search is made for a specific keyword. Perl can be used to extract this information, or HTML metadata, from a website by writing a little program to search and deliver a report showing the metadata details.
Extract HTML Metadata through HTML::HeadParser
Open your Perl code editor and prepare to write the code to extract metadata found between the
#!/usr/bin/perl
print "Content-type: text/html\n\n";
We start out using two modules.
The LWP::Simple; module downloads the web page you are going to extract the metadata from, followed by the HTML::HeadParser; module:
use LWP::Simple;
use HTML::HeadParser;
The $URL = get command targets the website's address:
$URL = get ("http://www.somesite.com");
$Head = HTML::HeadParser->new;
$Head->parse("$URL");
The following commands will extract the metadata from the Title, Description, Keywords, Content-Type, and Content-Language:
print $head->header('Title') . "\n\n";
print $head->header('X-Meta-Description') . "\n\n";
print $head->header('X-Meta-Keywords') . "\n\n";
print $head->header('Content-Type') . "\n\n";
print $head->header('Content-Language') . "\n\n";
exit;
Run the program, then the metadata information will be displayed.
Perl is a simple programming language that is practical and efficient. A task to extract metadata from a website is made easy with a simple Perl program, as you can see from the code. The information extracted from the metadata can help you analyze how a particular website was optimized for the search engine. The metadata found between the
Extract HTML Meta Data with Perl
Extract HTML Meta Data with Perl : Multi-thousand tips to make your life easier.
Perl is a programming language that is commonly used by programmers because of its ease of use for general purposes. Programmers who have been programming for a while but are new to Perl will find it easy to learn, since it was influenced by other programming languages. The program uses functions similar to other programming languages. Developed by Larry Wall in 1987, it was originally a text manipulation program, but later versions have far exceeded its original purpose. Perl, known as a reporting language and a practical extraction program, is now used in network programming, video games, web development, and much more.
Metadata refers to information describing data elements or attributes like name, type, size, etc. This information is used to better understand the type of content being presented. HTML facilitates the use of metadata in coding and structuring a website. The metadata found in HTML code is used to describe what the website is about, and allows search engine robots to crawl for this information when a search is made for a specific keyword. Perl can be used to extract this information, or HTML metadata, from a website by writing a little program to search and deliver a report showing the metadata details.
Extract HTML Metadata through HTML::HeadParser
Open your Perl code editor and prepare to write the code to extract metadata found between the
#!/usr/bin/perl
print "Content-type: text/html\n\n";
We start out using two modules.
The LWP::Simple; module downloads the web page you are going to extract the metadata from, followed by the HTML::HeadParser; module:
use LWP::Simple;
use HTML::HeadParser;
The $URL = get command targets the website's address:
$URL = get ("http://www.somesite.com");
$Head = HTML::HeadParser->new;
$Head->parse("$URL");
The following commands will extract the metadata from the Title, Description, Keywords, Content-Type, and Content-Language:
print $head->header('Title') . "\n\n";
print $head->header('X-Meta-Description') . "\n\n";
print $head->header('X-Meta-Keywords') . "\n\n";
print $head->header('Content-Type') . "\n\n";
print $head->header('Content-Language') . "\n\n";
exit;
Run the program, then the metadata information will be displayed.
Perl is a simple programming language that is practical and efficient. A task to extract metadata from a website is made easy with a simple Perl program, as you can see from the code. The information extracted from the metadata can help you analyze how a particular website was optimized for the search engine. The metadata found between the
Extract HTML Meta Data with Perl
By Howtodotips
Extract HTML Meta Data with Perl : Multi-thousand tips to make your life easier.