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Perl
The perl quick reference cheat sheet that aims at providing help on writing basic syntax and methods.
Getting Started
10 ejemplos#Unix and Linux Installation
#Windows Installation
#Macintosh Installation
#Running Perl
#Available command line options
#Script from the Command-line
#First Perl Program
#Comments in Perl
#Whitespaces in Perl
#Single and Double Quotes in Perl
Datatypes
13 ejemplos#Creating Variables
#Scalar Variables
#Array Variables
#Hash Variables
#Variable Context
#Numeric Scalars
#String Scalars
#Scalar Operations
#Multiline Strings
#V-Strings
#Special Literals
#Sequential Number Arrays
#Array Size
Array oparationns
15 ejemplos#Adding and Removing Elements in Array
#Array oparations
#Slicing Array Elements
#Replacing Array Elements
#Transform Strings to Arrays
#Transform Arrays to Strings
#Sorting Arrays
#The $[ Special Variable
#Merging Arrays
#Selecting Elements from Lists
#Accessing Hash Elements
#Extracting Slices
#Extracting Keys and Values
#Getting Hash Size
#Add and Remove Elements in Hashes
Control Flow
5 ejemplos#if-else
#The ? : Operator
#for loop
#foreach loop
#while and do-while
Object Oriented Programming
10 ejemplos#Class and object
#Subroutines
#Modules and Packages
#References
#Regular Expression
#File Handling
#File Test Operators
#Working with Excel Files
#Reading from an Excel File:
#Error Handling
example
7 ejemplos#The warn Function
#The die function
#Errors within Modules
#The carp Function
#The cluck Function
#The croak Function
#The confess Function
Date and Time
5 ejemplos#Current Date and Time
#GMT Time
#Format Date and Time
#Epoch time
#POSIX Function strftime()
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