Webinar: Learn Perl - The Jewel of Scripting Languages

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Learn Perl-the Jewel of Scripting Languages

 Understand the uses of Perl
 Understand importance of Perl
 Explore the benefits of using Perl
 History of Perl
 Explanation of industrial level Perl use cases
 The scope of Perl in IT Industries
 Highlight of Edureka’s ‘Mastering Perl Scripting’ course
At the end of this session, you will be able to:
Objectives

Hi there!
My name is Jose, I’m a computer
consultant, techie and trainer. Student
usually come to me and ask which computer
language they should use in their project
and why.
I’m here to help
Meet Mr. Jose

Hi There!
My name is Han, I’m Quality analyst and my manager
asked me to automate the tasks. I’m confused which
language to use as I have tight deadlines and want to
make automation generic. I am here to meet Mr. Jose
and wanted to know which language should I use for
automation
Meet Mr. Han

Hi Jose, I work for investment
bank. My manager asked me to
automate all my tasks. On a
daily basis I interact with
millions of shares. I’m confused
which language should I use
Hi Han, seems you need to
interact with data and whenever
the huge data processing comes
to your mind Perl is the most
suitable computer language
Han is Confused!

Perl is one of the most popular open source interpreted programming language with a huge number of
programmers, libraries and resources
Perl has very powerful inbuilt regular expressions which often are the important reasons when people
decide to use Perl for bulk text processing
Perl is platform independent and also used to generate html pages
Similar to Python, PHP but, with very powerful and flexible features
Inbuilt regular expression provides data filter and data transformation
Perl is nicknamed "the Swiss Army chainsaw of scripting language" due to its flexibility and power
What is Perl?

What are the Benefit of using Perl?
» Perl has relatively few keywords, simple structure, and a clearly defined syntaxEasy-to-learn
» Perl can run on a wide variety of hardware platforms and has the same interface on
all platforms
Portable
» Perl provides interfaces to all major commercial databases
» CPAN an archive of Perl library consist more than 20K modules
Databases
» One of Perl's greatest strengths is the bulk of the library is very portable and cross-
platform compatible on UNIX, Windows and Mac OS
Standard
Library
» Automatic memory management
» Automatic garbage collection
Memory
Management
» High-level data types and operations
» Object-oriented programming
» Easy Debugging Techniques
» Scalability
Others Benefits

In short there is nothing which you can’t do without Perl
Perl has various success stories. Almost every IT company is using Perl in their project
 Like any other programming language it has concept like objected oriented, modularity etc.
Perl used Everywhere
‘Perl is used in virtually 100 percent
of the Fortune 500, in a wide range
of mission-critical systems’.

Traditional Uses of Perl
Internet Scripting
System Utilities
Web ScrapingDatabase Programming Ad Targeting
Text Processing

Traditional Uses of Perl
Request
Result
NetworkCRM
LOB
ERP
ETL
Data
Warehouse
ETL Processing Network Programming

Users and Perl Projects
» Yahoo uses Perl in many of website development and data processing
» Bank of America uses Perl in their project for financial forecasting
» Dream works uses Perl in their various projects for animation

Users and Perl Projects
» Twiki is one of the best-known wiki software with an orientation to
support companies. It is built primarily by the company with the same
name that also provides cloud-based hosted Twiki service
» Bugzilla is the well known bug-tracking system developed by and for
Mozilla. It is used in quite a lot of companies

Perl is widely used in various industries as a tool
of data processing and post data analysis
The inbuilt regular expression makes Perl the
most suitable language for
» Data filtration
» Data Transformation
» Data Analytics
Perl can easily do
» Financial Analysis
» Online Advertising
» Static Data Analysis
» Bio-Informatics
» Response Analysis
Data Processing and Analytics
Files
GEO files
OLAP
Spatial OLAP
DBMS
Spatial DBMS
Web Services

From many years Perl is the boom for QA Automation
Engineer and System Administrator
End-to-End testing includes Smoke Testing, Regression
Testing, Unit, Integration, Acceptance Testing etc., can
be done easily with Perl
Many testing framework and libraries make the job
easy to perform testing in real world
Things you can do:
» Write and Execute Test Cases
» Network Testing
» Hardware Testing
» Web Application Testing
» Database Testing
txt
Automation Testing
Load Testing
Performance Testing
Database Testing
Security Testing
Stress Testing
Simple
Efficiency
Risk-Based

Website Header
e-broucher. e – mails
News letters, Offer Banner
Website Design & Re-Design
Webpage Development
Perl is one of the most popular and dynamic languages
for writing Web applications
Software developers call Perl the "Duct Tape of the
Internet“
It is one of the internal component of LAMP stack
Many large websites such as Amazon.com,
Priceline.com, IMDb.com, Craigslist, Slashdot,
bbc.co.uk and Ticketmaster.com make use of Perl
extensively
Perl web development framework:
» Catalyst
» Mason
» Mojolicious
» Jifty
» Dancer
» Embperl

txt
GUI Applications
Perl has extensive support for many GUI libraries
They are rich, attractive and provides native look and
feel still provides lot of convenience
Various libraries provide the support of GUI application
on Perl some of them are listed below
» wxPerl
» Perl-Tk
» Perl/Qt
» Perl/KDE
» gtk2-perl

Thank you Jose, that is enough
for me start learning Perl to
automate my tasks. I’m
impressed by the features and I
will come back to you whenever
I have doubt
Welcome Han!
Han is Convinced

History of Perl
Perl history in brief, by Larry Wall:
 Perl 0 introduced Perl to my officemates
 Perl 1 introduced Perl to the world ( Year: 1987)
 Perl 2 introduced regular expression package
 Perl 3 introduced the ability to handle binary data (embedded nulls)
 Perl 4 introduced the first Camel book
 Perl 5 introduced the ability to introduce everything else. (Year: 1994)

Less Restrictions
Developer Productivity
Program Portability
Support Libraries
Component Integration
Enjoyment
» Perl has the relatively less keywords and they are many ways to do the similar thing is a
philosophy of Perl
Why Perl?

Enjoyment
» Perl code is typically one-third to one-fifth the size of equivalent C++ or Java code. That
means there is less to type, less to debug, and less to maintain
Why Perl?

Enjoyment
» Perl programs run unchanged on all major computer platforms. For Example- Windows,
Linux, MAC OS etc.
Why Perl?

Enjoyment
» Perl comes with a large collection of prebuilt and portable functionality, known as the
Standard modules. These modules supports an array of application-level programming
tasks, from text pattern matching to network scripting
Why Perl?

Enjoyment
» Perl scripts can easily communicate with other parts of an application, using a variety of
integration mechanisms
Why Perl?

Enjoyment » Because of Perl ease of use and built-in toolset, it makes the programming more
pleasurable
Why Perl?

Thank god. I get all the
information at single
website.
Use Case of using Perl – Web Scraping

Statistical Analysis of Data with Perl – Work Flow
Start
Accept & validate
arguments
Extract the HTML
Table Extract
Generate
Graphs
End
Connect & fetch
Yahoo Finance data

Statistical Analysis of Data with Perl – Output

Demo

Use Case of using Perl – Online Advertising
C
Oh my god. How come I
see this add again and
again. I like these shoes
a lot!.

Location Finder
Traffic MonitorCustomer Delight
Air Traffic Controller
Use Case of using Perl – Real Time Data

Course Topics
 Module 1
» Meet Perl: The Basics
 Module 2
» Move it around - Control flow statements and
Subroutines
 Module 3
» The outside link - File handling and Directory
Handling
 Module 4
» Match everything: Regular Expressions
 Module 5
» Namespace: Package introduction
Module 6
» A pointer: Meet References
Module 7
» Reusability: Objected Oriented Perl
Module 8
» A Central Repository: CPAN
 Module 9
» Modern Perl: Moose, Multithread and
Multiprocessing with Forkmanager
 Module 10
» Web Scraping in Perl

LIVE Online Class
Class Recording in LMS
24/7 Post Class Support
Module Wise Quiz
Project Work
Verifiable Certificate
How it Works?

Webinar: Learn Perl - The Jewel of Scripting Languages

Webinar: Learn Perl - The Jewel of Scripting Languages

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