The document provides an overview of Perl, a general-purpose programming language primarily used for text manipulation and tasks such as web development, system administration, and database interaction. It details Perl's features, including its structure, data types, and various types of loops, as well as a unique documentation format called POD. Additionally, the document promotes a Perl training course aimed at application developers and software engineers, lasting three days and requiring prior programming experience.

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Introduction to

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What is Perl?
Practical Extraction and Report Language
•A general purpose programming language originally developed
for text manipulation and now used for a wide range of tasks
including system administration, web development-CGI scripting,
network programming, GUI development, and more.
•The language is intended to be PRACTICAL (easy to use,
efficient, complete) rather than BEAUTIFUL (tiny, elegant,
minimal).
•Perl has many features that ease the programmer's task at the
expense of greater CPU and memory requirements. These
include automatic memory management, dynamic typing,
strings, lists, and hashes, regular expressions.

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Features Of Perl
• The overall structure of Perl derives broadly form C.
• Perl also takes features from shell programming.
• All variables are marked with leading sigils.
• It has many built in functions.
• Perl takes
– Lists from LISP
– Hashes (“associative arrays”) from awk.
– Regular expressions from sed.

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Perl Language Structure
• PERL encompasses both the syntactical rules of the
language and the general ways in which programs are
organized.
• It is dynamically typed language.
• Relatively easy to learn (and easier to make a mess too).
• Incredibly flexible coding style (some argues it is too
flexible).
• Perl is interpreted not complied hence its scripting
language.
• It follows OOPs concepts.

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Typical Uses Of Perl
• Text processing
• System administration tasks
• CGI and web programming
• Database interaction
• Other Internet programming

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• Perl is loosely typed language and there is no need to specify
a type for your data while using in your program. The Perl
interpreter will choose the type based on the context of the
data itself.
• Perl has three basic data types:
– Scalars
– Arrays of scalars
– Hashes of scalars, also known as associative arrays.
Perl Data Types

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Loops In Perl
Loop Type Description
while loop Repeats a statement or group of statements while a given condition is
true. It tests the condition before executing the loop body.
until loop Repeats a statement or group of statements until a given condition
becomes true. It tests the condition before executing the loop body.
for loop Executes a sequence of statements multiple times and abbreviates the
code that manages the loop variable.
foreach loop The foreach loop iterates over a normal list value and sets the variable
VAR to be each element of the list in turn.
do...while loop Like a while statement, except that it tests the condition at the end of
the loop body
nested loops You can use one or more loop inside any another while, for or do..while
loop.

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Perl POD
• Pod is a simple-to-use mark-up language used for writing
documentation for Perl, Perl programs, and Perl modules.
• Translators are available for converting Pod to various formats
like plain text, HTML, man pages, and more.
• Pod mark-up consists of three basic kinds of paragraphs
– Ordinary
– Verbatim
– Command.

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How you can master Perl?
Become an expert in 3 days.
World class Perl training by the industry experts.
More Details

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Suggested Audience & Other Details
• Suggested Audience - The audience for this course includes
application developers, software engineers, and other
network designers.
• Duration – 3 Days
• Prerequisites
– Prior programming experience.
Syllabus

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For further info/assistance contact
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+91 80 656 79700
www.springpeople.com
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