Instant Perl Modules

by Sparling, Doug

• ISBN13: 9780072129625
• ISBN10: 007212962X
• Format: Paperback
• Copyright: 2001-02-01
• Publisher: McGraw-Hill Osborne Media

Summary

This is the ultimate collection of ready-to-use code and expert techniques. Instant Perl Modules shows you, step-by-step, how to create your own Perl modules to extend the capabilities of this already flexible scripting language. Plus, you'll get more than 100 ready-to-run Perl modules on the bonus CD-ROM.

Table of Contents

Introduction	xiii
Acknowledgments	xvii
Introduction to Perl Modules	1	(12)
Introduction	2	(1)
Getting Perl Modules from the CPAN	2	(1)
Installing Perl Modules	2	(5)
Manual Installation on UNIX	3	(1)
Manual Installation on Windows	3	(1)
Automated Installation on UNIX using the CPAN Module	4	(1)
Automated Installation on Windows using PPM	5	(1)
Installation on Other Operating Systems	6	(1)
Installing Modules to a Private Directory	6	(1)
Using Perl Modules	7	(2)
Finding Installed Modules	9	(2)
Where Are Modules Located?	9	(1)
Which Modules Are Installed?	10	(1)
Module Documentation	11	(1)
Summary	11	(2)
The Standard Modules	13	(38)
Overview of the Standard Perl Modules	14	(7)
Benchmark	21	(2)
Carp	23	(2)
Class::Struct	25	(3)
Config	28	(2)
config_sh()	28	(1)
config_vars(name)	28	(1)
myconfig()	29	(1)
Cwd	30	(1)
Env	31	(1)
File::Basename	32	(1)
File::Compare	33	(1)
File::Copy	34	(1)
File::Find	35	(1)
Getopt::Long	36	(3)
Argument Specifiers	36	(2)
Option Destination	38	(1)
Getopt::Std	39	(3)
IO::File	42	(2)
Text::Abbrev	44	(1)
Text::Wrap	45	(1)
Time::Local	46	(1)
Time::gmtime	47	(1)
Time::localtime	48	(1)
Summary	49	(2)
Dates and Times	51	(14)
Overview of Dates and Times	52	(1)
Date::Calc	52	(3)
Date::Format	55	(3)
Date::Manip	58	(3)
Date::Parse	61	(1)
Time::HiRes	61	(2)
Summary	63	(2)
Databases	65	(14)
Introduction	66	(1)
DB_File	66	(5)
DBI	71	(7)
Summary	78	(1)
Graphics	79	(18)
Graphics	80	(1)
Finding the Size of an Image	80	(3)
Finding the Size of an Image with Image::Magick	80	(1)
Finding the Size of an Image with Image::Size	81	(2)
Manipulating Images with Image::Magick	83	(1)
Creating Dynamic Images with GD. pm	84	(6)
Creating Graphs with GD::Graph	90	(5)
Summary	95	(2)
Perl/Tk: Creating Graphical User Interfaces	97	(44)
Introduction to Perl/Tk	98	(3)
Brief Overview of Perl/Tk	98	(1)
Simple Example: Hello World	98	(3)
Widgets	101	(32)
Creating the Main Window	102	(1)
Creating Widgets	102	(2)
Common Widget Options	104	(3)
Callbacks and Binding	107	(2)
Label Widget	109	(2)
Button	111	(1)
Checkbutton	112	(2)
Radiobutton	114	(2)
Entry	116	(1)
Text	117	(3)
Listbox	120	(2)
Scrollbar	122	(3)
Scale	125	(3)
Frame	128	(1)
Menu	129	(4)
Geometry Managers	133	(6)
Pack	134	(2)
Grid	136	(1)
Place	137	(2)
Summary	139	(2)
E-mail	141	(14)
Sending E-mail	142	(3)
Receiving E-mail	145	(4)
Sending Attachments	149	(4)
Summary	153	(2)
Internet Protocols	155	(14)
Introduction	156	(1)
DNS Lookups	156	(3)
Pinging a Host	159	(1)
Getting Whois Information	160	(1)
Using FTP in Perl	161	(2)
Using Telnet in Perl	163	(2)
Creating a TCP Client	165	(1)
Creating a TCP Server	166	(2)
Summary	168	(1)
CGI. pm	169	(28)
Overview of CGI.pm	170	(1)
Interface	170	(2)
Function-Oriented Interface	170	(2)
Object-Oriented Interface	172	(1)
Processing the Form	172	(2)
Getting the Value(s) of a Single Named Parameter	173	(1)
Getting the Values of All Parameters	174	(1)
Generating HTML Output	174	(13)
Generating Headers	174	(3)
Generating Standard HTML Elements	177	(1)
Generating Form Elements	177	(10)
Cookies	187	(4)
File Uploads	191	(3)
Debugging	194	(1)
Summary	195	(2)
Fun CGI Applications	197	(38)
Introduction	198	(1)
Voting Booth	198	(11)
Overview	198	(1)
HTML Form	198	(2)
Data and Log Files	200	(1)
CGI Script	201	(8)
Guestbook	209	(8)
Postcards	217	(12)
Chat	229	(5)
Summary	234	(1)
CGI and Databases	235	(44)
Introduction	236	(1)
Feedback Form	236	(6)
Resume Submit Form	242	(4)
Job Board	246	(21)
CD Database	267	(11)
Summary	278	(1)
CGI: Commerce and Community	279	(28)
Introduction	280	(1)
Online Computer Store	280	(13)
Online Forum	293	(13)
Summary	306	(1)
Site Administration	307	(22)
Introduction	308	(1)
Online HTML Editor	308	(5)
Parsing Log Files	313	(3)
htaccess	316	(6)
Checking Server Ports	322	(6)
Summary	328	(1)
Site Utilities	329	(32)
Introduction	330	(1)
Site Search	330	(2)
Searching the Web	332	(4)
Recommend a Site	336	(5)
Banner Ad Rotation	341	(9)
Online Perl Syntax Checker	350	(3)
Online Notes	353	(7)
Summary	360	(1)
Web Programming	361	(28)
Web Automation with LWP	362	(12)
Getting Web Documents with LWP::Simple	362	(5)
Getting Web Documents with LWP::UserAgent	367	(5)
Getting Protected Documents with LWP::UserAgent	372	(1)
Automating Form Submission	372	(2)
Specifying and Converting URLs with URI::URL	374	(3)
Specifying URLs	374	(1)
Converting Relative URLs to Absolute URLs	375	(1)
Converting Absolute URLs to Relative URLs	376	(1)
Parsing and Processing HTML	377	(10)
Parsing HTML with HTML::Parser	377	(4)
Extracting Links with HTML::LinkExtor	381	(5)
HTML::Entities	386	(1)
Summary	387	(2)
Win32	389	(24)
The Win32 Library	390	(1)
The Win32 Module	390	(8)
Error Handling	390	(1)
OS and Build Information	391	(1)
User, Machine, and Domain Names	392	(1)
Finding and Changing the Current Working Directory	393	(1)
File System	394	(2)
Next Available Drive	396	(1)
Tick Count	396	(1)
Message Box	397	(1)
Processes	398	(4)
Win32::Spawn	398	(1)
Win32::Process	399	(3)
OLE Automation	402	(4)
Creating and Writing to an Excel Spreadsheet	403	(1)
Extracting Data from an Excel Spreadsheet	404	(1)
Creating a Chart with Excel	405	(1)
Database Access with ODBC	406	(6)
Using Win32::ODBC	406	(2)
Film Database Application	408	(4)
Summary	412	(1)
XML	413	(24)
Introduction	414	(1)
Parsing XML with XML::Parser	414	(9)
Overview of XML::Parser	414	(1)
Parsing a Simple XML Document	415	(2)
Converting XML to Text	417	(3)
Converting XML to HTML	420	(3)
XML::RSS	423	(12)
Overview	423	(1)
RSS Syntax	423	(2)
Create an RSS Channel	425	(2)
Converting RSS to HTML	427	(8)
Summary	435	(2)
A Pragmas	437	(8)
Introduction	437	(2)
constant	439	(1)
diagnostics	440	(1)
integer	440	(1)
lib	441	(1)
strict	442	(2)
strict `refs'	442	(1)
strict `vars'	443	(1)
strict `subs'	443	(1)
vars	444	(1)
Summary	444	(1)
B Creating Perl Modules	445	(10)
Building Modules the Smart Way	445	(8)
Module Internals---Functional	447	(4)
Module Internals---Object Oriented	451	(2)
Summary	453	(2)
C Perl Security	455	(4)
Temp File Security	455	(1)
Using Taint	456	(1)
Better Coding Practices	457	(1)
Summary	457	(2)
D Perl Resources	459	(4)
Online Resources	459	(2)
CPAN---http://www.cpan.org	459	(1)
The Official Perl Site---http://www.perl.com	459	(1)
use Perl---http://use.perl.org	460	(1)
Perl Mongers---http://www.perl.org	460	(1)
Perldoc.com---http://www.perldoc.com	460	(1)
Perl Monks---http://www.perlmonks.com	460	(1)
Randal Schwartz's Magazine Articles---http://www.stonehenge.com/merlyn/	460	(1)
EFNet IRC Channel perl	460	(1)
Offline Resources	461	(1)
POD: Plain Old Documentation	461	(1)
Manual Pages---man	461	(1)
The Perl Journal	461	(1)
Perl Books	462	(1)
Summary	462	(1)
E Installing the PostgreSQL Database	463	(6)
Introduction	463	(5)
Installation from RPM	463	(1)
Installation from Source	464	(3)
Initial Database Setup	467	(1)
Summary	468	(1)
F Installing Apache	469	(4)
Index	473