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do() Function - Including Script Files
This section provides a tutorial example on how to use do() function to include script code from another file into the current script file. 2022-11-01, ∼256🔥, 0💬

Using Array Variables
This section describes how an array variable can be assigned with a list value. Array elements are referred by subscription notation as scalar expressions, like $identifier[i]. An unassigned array variable contains the (undef) value. 2022-10-24, ∼255🔥, 0💬

LWP-UserAgent-POST-Redirect.pl - Posting with Redirects
This section provides a tutorial example on how to send a POST request to a Web server with form input data, follow HTTP redirects, and dump all request and response messages . 2022-10-06, ∼255🔥, 0💬

SubReturnValue.pl - Example on Return Values
This section provides a tutorial example on how a list value can be returned from a subroutine to the caller using the return statement. 2022-10-19, ∼254🔥, 0💬

Using Hash Variables
This section describes how a hash variable can be assigned with a list value. Hash elements are referred by key subscription notation as scalar expressions, like $identifier{'key'}. An unassigned hash variable contains the (undef) value. 2022-10-12, ∼254🔥, 0💬

Retrieving Environment and Script Information
This section provides a tutorial example on how to retrieve information about the Web server environment and about the current CGI script file. 2022-11-06, ∼252🔥, 0💬

SocketClient.pl - A Simple Socket Client Program
This section provides a tutorial example on how to write a simple socket communication client program, SocketClient.pl, which creates a socket and makes a connection request to a remote socket communication server. 2022-10-14, ∼251🔥, 0💬

CPAN Local Directories and Files
This section provides an introduction of local directories and files used when installing Perl modules from the CPAN repository. 2025-09-30, ∼250🔥, 0💬

LWP-UserAgent-GET.pl - Sending a GET Request
This section provides a tutorial example on how to send a GET request to a Web server and dump both request and response messages. 2022-10-05, ∼250🔥, 0💬

Publishing HTML Documents as Web Pages
This section describes how to publish a HTML document on the Apache HTTP server. 2022-10-17, ∼247🔥, 0💬

DirGrep.pl - Searching Text in Directory Files
This section provides a tutorial example, DirGrep.pl, to search text in files and sub directories using a recursive method to walk through a directory tree. 2022-10-23, ∼245🔥, 0💬

Receiving Returning Values as a HTTP Response
This section describes how to receive the returning value XML message from the remote machine. 2022-10-11, ∼244🔥, 0💬

Simple Statements and Modifiers
This section describes simple statements - an expression terminated with semicolon. Simple statements can have modifiers: if, unless, while, until, foreach. 2022-10-26, ∼242🔥, 0💬

What Is CPAN
This section provides a quick introduction on CPAN (Comprehensive Perl Archive Network). 2025-09-30, ∼241🔥, 0💬

post() Method not Following Redirect Location
This section provides a tutorial example showing that the LWP::UserAgent post() method does not follow the redirect 'Location:' header line in the HTTP response header. 2022-10-07, ∼241🔥, 0💬

dbmopen() - Opening DBM Files with Hash Variables
This section describes the built-in function, dbmopen(), to open DBM database files with hash variables. 2022-10-10, ∼240🔥, 0💬

Built-in Functions to Work with the File System
This section describes Perl built-in functions, chdir(), mkdir(), rmdir(), and unlink() to work with the file system, like to change the current directory, make or remove a directory, or delete a file. 2022-11-04, ∼239🔥, 0💬

What Is an Expression?
This section describes what is an expression, a mixture of values, variables, operations of expressions and function calls. A tutorial example is provided to show you examples of expressions.. 2022-10-18, ∼238🔥, 0💬

Installing RPC::XML Module
This section provides a tutorial example on how to install the Perl module, RPC::XML 0.57, on Windows, downloaded from blackperl.com. 2022-10-06, ∼238🔥, 0💬

Expression Evaluation Context
This section describes expression evaluation contexts: scalar context and list context. Operations and function may behave differently in different context. A list value in a scalar context is converted by taking the last value. 2022-10-19, ∼235🔥, 0💬

RpcXmlClient.pl - RPC::XML Client Sample Program
This section provides a tutorial example on how to write a RPC::XML client sample program, RpcXmlClient.pl, to test remote methods offered by the server sample program, RpcXmlServer.pl. 2022-10-11, ∼235🔥, 0💬

CPAN (Comprehensive Perl Archive Network)
This chapter provides tutorial examples and notes on CPAN (Comprehensive Perl Archive Network). Topics include installing Perl modules with CPAN 'shell' and 'cpan' command; CPAN local files and directories. 2025-09-30, ∼231🔥, 0💬

Archived: Install ActivePerl v5.18.1 on Windows Systems
This section provides a tutorial example on how to install ActivePerl v5.18.1 on a Windows 7 system. 2022-11-04, ∼231🔥, 0💬

Debugging Tutorial Session
This section provides a debugging tutorial session to investigate a script by setting break points, stepping through each statement, printing variable values. 2022-11-09, ∼230🔥, 0💬

<< < … 2 3 4 5 6 7 8 >   ∑:177  Sort:Date

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO