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Index: H

h command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)

h command (Perl debugger): 6.2. Debugger Commands (Perl in a Nutshell)

-h (help) command-line switch: 19.1.3. Switches (Programming Perl)

-h option (perlbug): 6.6. The perlbug Program (Perl in a Nutshell)

hacker: Glossary (Programming Perl)

>shutdown: 29.2.154. shutdown (Programming Perl)

Hampton, Kip: 5.7. XML::SAX: The Second Generation (Perl & XML)

Han Chinese characters: 2.6. Unicode, Character Sets, and Encodings (Perl & XML)

handlers: 8.2. Attribute::Handlers (Perl in a Nutshell)

Glossary (Programming Perl)

3.4. Putting Parsers to Work (Perl & XML)

4.2. Events and Handlers (Perl & XML)

base classes for: 5.5. A Handler Base Class (Perl & XML)

DTD: 5.2. DTD Handlers (Perl & XML)

lexical event: 5.7.2.3. Lexical event handlers (Perl & XML)

overload: 13.1. The overload Pragma (Programming Perl)

13.2. Overload Handlers (Programming Perl)

missing: 13.5. When an Overload Handler Is Missing (nomethod and fallback) (Programming Perl)

overloading, as_string handler: 13.3. Overloadable Operators (Programming Perl)

for SAX: 5.1. SAX Event Handlers (Perl & XML)

5.7.2. SAX2 Handler Interface (Perl & XML)

for signals: 16.1. Signals (Programming Perl)

stream parsing styles, using: 3.2.2. Parsing Styles (Perl & XML)

XML::Parser module and: 4.6. XML::Parser (Perl & XML)

handles: 13.15.1. Problem (Perl Cookbook)

1.2.1. Variable Syntax (Programming Perl)

directories: 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)

Glossary (Programming Perl)

references to: 8.2.4. Handle References (Programming Perl)

tied, base class definitons for: 32.1.14. Convenient Classes (Programming Perl)

handling signals (see signals)

hanging indent, -lmargin2 option and: 8.5.1. Tag Options (Mastering Perl/Tk)

hard links: 9.0. Introduction (Perl Cookbook)

13.3. Links and Files (Learning Perl)

13.3. Links and Files (Learning Perl)

hard links, filenames: 29.2.85. link (Programming Perl)

hard references: 3.2. The Arrow Operator (Programming Perl)

8.1. What Is a Reference? (Programming Perl)

8.2. Creating References (Programming Perl)

Glossary (Programming Perl)

%SIG array: 16.1. Signals (Programming Perl)

using: 8.3. Using Hard References (Programming Perl)

closures: 8.3.7. Closures (Programming Perl)

hardware devices: Glossary (Programming Perl)

hardware drivers, Perl modules for interacting with: 22.1. The CPAN modules Directory (Programming Perl)

hasAttribute method for Element node: 7.2.8.2. Methods (Perl & XML)

hasAttributeNS method for Element node: 7.2.8.2. Methods (Perl & XML)

hasAttributes method for Node class (DOM): 7.2.4.2. Methods (Perl & XML)

hasChildNodes method for Node class (DOM): 7.2.4.2. Methods (Perl & XML)

hash elements, accessing: 5.2. Hash Element Access (Learning Perl)

hash functions: 5.3. Hash Functions (Learning Perl)

hash keys (see keys)

14.3.9. Mega-Widget Instance Variables (Mastering Perl/Tk)

delete function for removing: 5.4.2. The delete Function (Learning Perl)

exists function for checking: 5.4.1. The exists Function (Learning Perl)

omitting quotes from: 17.4. Unquoted Hash Keys (Learning Perl)

sorting: 15.4.1. Sorting a Hash by Value (Learning Perl)

hash mark (#)

#! (shebang) line: 3. The Perl Executable (Perl in a Nutshell)

for comments: 4.1. Program Structure (Perl in a Nutshell)

format fieldholders: 4.12. Formats (Perl in a Nutshell)

hash prototype symbol (%): 4.7.5. Prototypes (Perl in a Nutshell)

hashDepth option (debugger): 20.3.3. Debugger Options (Programming Perl)

hashes: 4.6.3. Discussion (Perl Cookbook)

5.0. Introduction (Perl Cookbook)

5. Hashes (Learning Perl)

4.2. Data Types and Variables (Perl in a Nutshell)

4.2.5.2. Hashes (Perl in a Nutshell)

1.2.1. Variable Syntax (Programming Perl)

1.2.1.2. Pluralities (Programming Perl)

1.2.1.2.2. Hashes. (Programming Perl)

2.3. Built-in Data Types (Programming Perl)

2.9. Hashes (Programming Perl)

Glossary (Programming Perl)

printing out in sorted order: 4.4.3. foreach Loops (Programming Perl)

accessing elements of: 5.2. Hash Element Access (Learning Perl)

adding elements to: 5.1.1. Problem (Perl Cookbook)

10.11.3.2. Mimicking built-ins (Perl Cookbook)

anonymous: 11.0.2. Anonymous Data (Perl Cookbook)

data structure for objects: 12.7. Managing Instance Data (Programming Perl)

references to: 12.4. Object Construction (Programming Perl)

anonymous, references to: 8.2.2.2. The anonymous hash composer (Programming Perl)

of arrays: 11.2.1. Problem (Perl Cookbook)

9.2. Hashes of Arrays (Programming Perl)

9.3. Arrays of Hashes (Programming Perl)

access and printing of: 9.2.3. Access and Printing of a Hash of Arrays (Programming Perl)

generating: 9.2.2. Generation of a Hash of Arrays (Programming Perl)

9.3.2. Generation of an Array of Hashes (Programming Perl)

arrays and: 5.0. Introduction (Perl Cookbook)

assigning: 5.2.2. Hash Assignment (Learning Perl)

autoincrements/autodecrements and: 10.6.1. The Value of Autoincrement (Learning Perl)

binding DBM files to: 29.2.22. dbmopen (Programming Perl)

buckets: Glossary (Programming Perl)

cascading conditionals, using instead of: 4.5.1. Case Structures (Programming Perl)

comparing for keys: 5.11.1. Problem (Perl Cookbook)

of complex records: 9.6.3. Generation of a Hash of Complex Records (Programming Perl)

deleting elements of: 5.3.1. Problem (Perl Cookbook)

deleting values from: 29.2.24. delete (Programming Perl)

dutree program: 5.16. Program: dutree (Perl Cookbook)

elements, giving temporary values to: 29.2.87. local (Programming Perl)

elements of, interpolating into double-quoted string literals: 5.4.3. Hash Element Interpolation (Learning Perl)

exists function and: 29.2.34. exists (Programming Perl)

finding most common anything: 5.14.1. Problem (Perl Cookbook)

flat lookup tables, providing access to: 9. Data Structures (Programming Perl)

for list unions, intersections, differences: 4.7.3. Discussion (Perl Cookbook)

functions for: 5.3. Hash Functions (Learning Perl)

functions for processing: 5.1. Perl Functions by Category (Perl in a Nutshell)

HV (hash value) typedef in C: 21.2. Internal Data Types (Programming Perl)

%INC for modules: 11.1. Using Modules (Programming Perl)

initializing with x operator: 3.7. Multiplicative Operators (Programming Perl)

instead of linear searches: 24.2.1. Time Efficiency (Programming Perl)

inverting: 5.8.1. Problem (Perl Cookbook)

29.2.132. reverse (Programming Perl)

keys: Glossary (Programming Perl)

keys, finding number in: 2.9. Hashes (Programming Perl)

keys, returning list of: 29.2.79. keys (Programming Perl)

key/value pair precedence: 2.9. Hashes (Programming Perl)

key/value pairs: 2.3. Built-in Data Types (Programming Perl)

2.9. Hashes (Programming Perl)

capturing from string with m//g operator: 5.2.2. The m// Operator (Matching) (Programming Perl)

key/value pairs in: 1.2.1.2.2. Hashes. (Programming Perl)

merging: 5.10.1. Problem (Perl Cookbook)

multidimensional: 9.4. Hashes of Hashes (Programming Perl)

accessing and printing: 9.4.3. Access and Printing of a Hash of Hashes (Programming Perl)

generation of: 9.4.2. Generation of a Hash of Hashes (Programming Perl)

multiple values per key: 5.7.1. Problem (Perl Cookbook)

names for: 2.4. Variables (Programming Perl)

names of: 5.2. Hash Element Access (Learning Perl)

output style, changing in debugger: 20.3.3. Debugger Options (Programming Perl)

passing by reference into or out of functions: 6.3. Passing References (Programming Perl)

Perl data organization in: 9.1.5. Common Mistakes (Programming Perl)

presizing: 5.13.1. Problem (Perl Cookbook)

printing: 5.5.1. Problem (Perl Cookbook)

processing, functions for: 29.1. Perl Functions by Category (Programming Perl)

reading/writing records to file: 11.10.1. Problem (Perl Cookbook)

reasons for using: 5.1.1. Why Use a Hash? (Learning Perl)

references as elements: 5.12.2. Solution (Perl Cookbook)

references as keys: 8.5.1. References Don't Work as Hash Keys (Programming Perl)

references to: 11.3.1. Problem (Perl Cookbook)

8.1. What Is a Reference? (Programming Perl)

representing data relationships: 5.15.1. Problem (Perl Cookbook)

restricted, implementing: 12.7.5. Using Closures for Private Objects (Programming Perl)

retrieving in insertion order: 5.6.1. Problem (Perl Cookbook)

returning key/value pairs: 29.2.30. each (Programming Perl)

returning values of: 29.2.194. values (Programming Perl)

%SIG, references to signal handlers: 16.1. Signals (Programming Perl)

slices and: 17.6.2. Hash Slice (Learning Perl)

slices of: 4.7.3. Discussion (Perl Cookbook)

sorting elements: 5.9.1. Problem (Perl Cookbook)

special (predefined): 4.4.2. Global Special Arrays and Hashes (Perl in a Nutshell)

symbol tables: 10.1. Symbol Tables (Programming Perl)

key/value pairs in: 10.1. Symbol Tables (Programming Perl)

typeglobs in: 10.1. Symbol Tables (Programming Perl)

taint in: 23.1. Handling Insecure Data (Programming Perl)

testing for keys: 5.2.1. Problem (Perl Cookbook)

ties for (examples): 13.15.5. Tie Example: Make a Hash That Always Appends (Perl Cookbook)

traversing: 5.4.1. Problem (Perl Cookbook)

tying: 14. Tied Variables (Programming Perl)

14.3. Tying Hashes (Programming Perl)

methods for: 14.3.1. Hash-Tying Methods (Programming Perl)

Tie::Hash module, providing base class definitions: 32.1.14. Convenient Classes (Programming Perl)

unwinding: 5.2.1. The Hash as a Whole (Learning Perl)

Hash::Util module: 8.119. Hash::Util (Perl in a Nutshell)

head( ): 2.3.4. Previewing with HEAD (Perl & LWP)

LWP::UserAgent: 20.2.3. LWP::UserAgent (Perl in a Nutshell)

LWP::Simple module: 20.2.2. LWP::Simple (Perl in a Nutshell)

20.2.2. LWP::Simple (Perl in a Nutshell)

Mail::Internet module: 16.2.5. Mail::Internet Reference (Perl in a Nutshell)

Net::NNTP module: 17.2.2. Net::NNTP Reference (Perl in a Nutshell)

head( ) (LWP::Simple): 20.7.1. Problem (Perl Cookbook)

=head2 command (pod): 4.13.1. Paragraph Tags (Perl in a Nutshell)

HEAD method: 19.0.2. Behind the Scenes (Perl Cookbook)

=head2 pod directive: 12.16.3. Discussion (Perl Cookbook)

HEAD request

link-checking spider example: 12.3.3. HEAD Response Processing (Perl & LWP)

spider link-checking example and: 12.3.1. The Basic Spider Logic (Perl & LWP)

header( ): 3.5.3. Headers (Perl & LWP)

CGI.pm module: 10.7. CGI.pm Reference (Perl in a Nutshell)

HTTP::Headers module: 20.3.3. HTTP::Headers (Perl in a Nutshell)

HTTP::Message module: 20.3.8. HTTP::Message (Perl in a Nutshell)

header files: Glossary (Programming Perl)

Glossary (Programming Perl)

(see also modules)

headerCget method: 18.4.2. HList Methods (Mastering Perl/Tk)

headerConfigure method: 18.4.2. HList Methods (Mastering Perl/Tk)

headerCreate method: 18.4.2. HList Methods (Mastering Perl/Tk)

headerDelete method: 18.4.2. HList Methods (Mastering Perl/Tk)

headerExists method: 18.4.2. HList Methods (Mastering Perl/Tk)

headerfy program (example): 6.6.3. Discussion (Perl Cookbook)

headers: 11.2. Adding Extra Request Header Lines (Perl & LWP)

HTTP requests: 2.2.1. Request (Perl & LWP)

HTTP responses: 2.2.2. Response (Perl & LWP)

Referer header value: 11.2.2. Referer (Perl & LWP)

WWW-Authentication: 11.3. Authentication (Perl & LWP)

headers, format names: 7.2. Footers (Programming Perl)

headers, HTTP: 20.3.3. HTTP::Headers (Perl in a Nutshell)

headerSize method: 18.4.2. HList Methods (Mastering Perl/Tk)

headline detector, Netscape imitator: 11.2.1. Pretending to Be Netscape (Perl & LWP)

height method: 13.9.5. Actual Height (Mastering Perl/Tk)

17.2. Methods Common to All Image Types (Mastering Perl/Tk)

-height option

Button widgets and: 4.3. Table of Options for Button-Type Widgets (Mastering Perl/Tk)

Canvas widgets and: 9.5.3. Canvas Widget Option List (Mastering Perl/Tk)

createWindow method and: 9.6.9. The Widget Item (Mastering Perl/Tk)

default value: 4.13. Changing the Size of a Button (Mastering Perl/Tk)

Frame and Toplevel widgets: 11.3. Options (Mastering Perl/Tk)

Label widgets and: 5.1.2. Label Options (Mastering Perl/Tk)

Listbox widgets and: 7.2. Listbox Options (Mastering Perl/Tk)

Menubutton widgets: 12.4.1. Menubutton Options (Mastering Perl/Tk)

place geometry manager: 21.2.3. The place Geometry Manager (Perl in a Nutshell)

place method and: 2.1.1. Options for pack (Mastering Perl/Tk)

2.3.1. place Options (Mastering Perl/Tk)

postscript method and: 9.18. Rendering the Canvas as PostScript (Mastering Perl/Tk)

syntax: 4.13. Changing the Size of a Button (Mastering Perl/Tk)

Text widgets and: 8.2. Text Widget Options (Mastering Perl/Tk)

8.2.2. Widget Size (Mastering Perl/Tk)

widgets: 21.3. Common Widget Configuration Options (Perl in a Nutshell)

hello( ) (Net::SMTP): 16.1.2.1. Net::SMTP methods (Perl in a Nutshell)

Hello World example: 1.4. Hello World Example (Mastering Perl/Tk)

2.1.2. Positioning Widgets (Mastering Perl/Tk)

11.3. Options (Mastering Perl/Tk)

`Hello, world' program: 1.4.1. A Simple Program (Learning Perl)

HELO command (SMTP): 16.1.2. The SMTP Protocol and the SMTP Session (Perl in a Nutshell)

help

documentation conventions: 0.4.3. Documentation Conventions (Perl Cookbook)

Perl references: 0.3. Other Books (Perl Cookbook)

pod documentation for modules: 12.16.1. Problem (Perl Cookbook)

sorting =head1 sections: 15.19. Program: tkshufflepod (Perl Cookbook)

web references: 19.0.5. Web-Related Resources (Perl Cookbook)

help Label: 5.1.2. Label Options (Mastering Perl/Tk)

Help menubutton: 12.1.5. Menubars (Mastering Perl/Tk)

help( ) (Net::SMTP): 16.1.2.1. Net::SMTP methods (Perl in a Nutshell)

helper modules: 9.2. XML::RSS (Perl & XML)

here documents: 1.0. Introduction (Perl Cookbook)

B.8.2. Here documents (Learning Perl)

2.6.6. "Here" Documents (Programming Perl)

Glossary (Programming Perl)

end-of-file: Glossary (Programming Perl)

indentation of: 2.6.6. "Here" Documents (Programming Perl)

indenting: 1.11.1. Problem (Perl Cookbook)

semicolon (;), omitting trailing: 24.1.1. Universal Blunders (Programming Perl)

hex( ): 5. Function Reference (Perl in a Nutshell)

2.16.2. Solution (Perl Cookbook)

29.2.73. hex (Programming Perl)

hexadecimal: Glossary (Programming Perl)

converting numbers to: 5.2.3. The s/// Operator (Substitution) (Programming Perl)

hexadecimal character entities: 2.5. Entities (Perl & XML)

hexadecimal characters: 2.6.1. Numeric Literals (Programming Perl)

hexadecimal literals: 2.2.4. Nondecimal Integer Literals (Learning Perl)

hexadecimal numbers: 2.16.1. Problem (Perl Cookbook)

29.2.73. hex (Programming Perl)

character numbers, specifying as: 5.3.2. Specific Characters (Programming Perl)

hexdigest( )

Digest modules: 8.57. Digest (Perl in a Nutshell)

Digest::MD5 module: 8.58. Digest::MD5 (Perl in a Nutshell)

hidden( ): 19.12.3. Discussion (Perl Cookbook)

(CGI.pm): 10.7. CGI.pm Reference (Perl in a Nutshell)

hide method: 18.4.2. HList Methods (Mastering Perl/Tk)

Hietaniemi, Jarkko: 2.1. The CPAN Architecture (Perl in a Nutshell)

high-level programming languages: 1.2.1. Why Didn't Larry Just Use Some Other Language? (Learning Perl)

1.2.2. Is Perl Easy or Hard? (Learning Perl)

high-precision numbers: B.9.3. Large and High-Precision Numbers (Learning Perl)

high-resolution timers: 3.9.1. Problem (Perl Cookbook)

highlight rectangle

-takefocus option and: 5.1.2. Label Options (Mastering Perl/Tk)

focus on: 7.2. Listbox Options (Mastering Perl/Tk)

Listbox color selection and: 7.2. Listbox Options (Mastering Perl/Tk)

-highlightbackground option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)

-highlightcolor option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)

-highlightthickness option (widgets): 21.3. Common Widget Configuration Options (Perl in a Nutshell)

Hilton, Brand: 19.6. Polling Win32 Sockets (Mastering Perl/Tk)

hints, compiler: 28.2. Special Variables in Alphabetical Order (Programming Perl)

history, command: 20.1. Using the Debugger (Programming Perl)

history of Perl: 27.1. History Made Practical (Programming Perl)

history.db file, grepping: 14.11. Program: ggh—Grep Netscape Global History (Perl Cookbook)

hiweb program (example): 19.1.2. Solution (Perl Cookbook)

HList widget

features: 18. A Tk Interface Extension Tour (Mastering Perl/Tk)

18.4. The HList Family of Widgets (Mastering Perl/Tk)

Listbox alternatives and: 7. The Listbox Widget (Mastering Perl/Tk)

scrollbars and: 6.1. Defining Scrollbar Parts (Mastering Perl/Tk)

Holtry, Frank: 22.2. The PerlPlus Browser Plug-in (Mastering Perl/Tk)

22.2.3. How You Can Contribute to the PerlPlus Plug-in Project (Mastering Perl/Tk)

home directory: 12.1. Moving Around the Directory Tree (Learning Perl)

29.2.9. chdir (Programming Perl)

Glossary (Programming Perl)

home page, Perl: 0.6.1. Perl on the Web (Programming Perl)

HOME variable: 3.3. Environment Variables (Perl in a Nutshell)

19.2. Environment Variables (Programming Perl)

20.1.2. Tk::Receive (Mastering Perl/Tk)

hopdelta program: 3.11. Program: hopdelta (Perl Cookbook)

Hopkins, Don: 12.8. Pie Menus (Mastering Perl/Tk)

Hopwell, Grant: 22.1.5.3. Win32::Process and shared memory (Mastering Perl/Tk)

host( ): 4.1. Parsing URLs (Perl & LWP)

Mail::Address module: 16.2.6. Parse Email Addresses with Mail::Address (Perl in a Nutshell)

16.2.7. Mail::Address Reference (Perl in a Nutshell)

URI::URL module: 20.5.3. URI::URL (Perl in a Nutshell)

host, display notification and: 11.3. Options (Mastering Perl/Tk)

hostname function: B.5.10. The Sys::Hostname Module (Learning Perl)

hostname, obtaining your own: 17.8.1. Problem (Perl Cookbook)

hostnames

getting from network addresses: 29.2.47. gethostbyaddr (Programming Perl)

Sys::Hostname module: 32.1.7. Operating System Interfaces (Programming Perl)

translating to addresses: 29.2.48. gethostbyname (Programming Perl)

29.2.52. getnetbyname (Programming Perl)

hostpath (IO::Socket::UNIX): 15.2.5. IO::Socket::UNIX Reference (Perl in a Nutshell)

hosts: Glossary (Programming Perl)

hosts file (see /etc/hosts file)

hosts (remote), checking for reachability: 32.1.8. Networking and Interprocess Communication (Programming Perl)

host_wait( ) (LWP::RobotUA): 20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)

HotKey module: 15.8.3. Description (Perl Cookbook)

hours (see date and time)

household appliances, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

h2ph tool: 12.14.1. Problem (Perl Cookbook)

HREF fields, substitutions for: 20.15. Program: hrefsub (Perl Cookbook)

hrefsub program (example): 20.15. Program: hrefsub (Perl Cookbook)

HTML: 2. Web Basics (Perl & LWP)

CGI module, generation of: 32.1.9. World Wide Web (Programming Perl)

code, producing nicely formatted: 32.1.9. World Wide Web (Programming Perl)

comments, HTML structure: 6.2.8. Use Multiple Steps (Perl & LWP)

converting ASCII to/from: 20.4.1. Problem (Perl Cookbook)

debugging: 3.5.6. Debugging (Perl & LWP)

documents, relative URLs: 3.5.5. Base for Relative URLs (Perl & LWP)

extracting tags: 20.6.1. Problem (Perl Cookbook)

extracting URLs from: 20.3. Extracting URLs (Perl Cookbook)

finding stale/fresh links: 20.7.1. Problem (Perl Cookbook)

formatting, shortcuts in CGI.pm: 19.7.1. Problem (Perl Cookbook)

links, extracting from remote files: 6.6. Example: Extracting Linksfrom Arbitrary HTML (Perl & LWP)

meta tags: 3.4.8. Advanced Methods (Perl & LWP)

parsing: 1.5.3. Parsing HTML (Perl & LWP)

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

pod files, converting to: 32.1.16. Documentation Support (Programming Perl)

putting links around URLs: 6.21. Program: urlify (Perl Cookbook)

templates: 20.9.1. Problem (Perl Cookbook)

text substitutions: 20.14. Program: htmlsub (Perl Cookbook)

HTML documents: 8. The Text, TextUndo,and ROText Widgets (Mastering Perl/Tk)

HTML entities, decode_entities( ): 7.2.3. Text Tokens (Perl & LWP)

HTML forms: 19.0.4. HTML and Forms (Perl Cookbook)

automating submission: 20.2.1. Problem (Perl Cookbook)

data extraction: 5.2.2. GETting a query_form( ) URL (Perl & LWP)

elements: 5.1. Elements of an HTML Form (Perl & LWP)

file opening: 5.4.9. File Selection Elements (Perl & LWP)

option element: 5.4.11. Select Elements and Option Elements (Perl & LWP)

saving/mailing: 19.13.1. Problem (Perl Cookbook)

select element: 5.4.11. Select Elements and Option Elements (Perl & LWP)

sticky widgets: 19.11.1. Problem (Perl Cookbook)

textarea element: 5.4.10. Textarea Elements (Perl & LWP)

HTML (Hypertext Markup Language): 2.1. A Brief History of XML (Perl & XML)

converting: 2.12. Transformations (Perl & XML)

8.3. XSLT (Perl & XML)

10.3. Converting XML to HTML with XSLT (Perl & XML)

tags, generating with CGI.pm: 10.1. HTML Tag Generation (Perl in a Nutshell)

translating pod to: 4.13.3. Pod Utilities (Perl in a Nutshell)

8.174. Pod::Html (Perl in a Nutshell)

well-formed documents and: 3.1. XML Parsers (Perl & XML)

:html method groups: 10.2. Importing Method Groups (Perl in a Nutshell)

HTML modules: 20.4. The HTML Modules (Perl in a Nutshell)

HTML::Element module: 20.4.3. HTML::Element (Perl in a Nutshell)

HTML::FormatPS module: 20.4.5. HTML::FormatPS (Perl in a Nutshell)

HTML::FormatText module: 20.4.6. HTML::FormatText (Perl in a Nutshell)

HTML::Parser module: 20.4. The HTML Modules (Perl in a Nutshell)

20.4.1. HTML::Parser (Perl in a Nutshell)

HTML::TreeBuilder module: 20.4.4. HTML::TreeBuilder (Perl in a Nutshell)

HTML::Element: 9. HTML Processing with Trees (Perl & LWP)

attributes, changing: 10.1. Changing Attributes (Perl & LWP)

detach_content( ) method: 10.3.1. The detach_content( ) Method (Perl & LWP)

element creation: 10.5. Creating New Elements (Perl & LWP)

images, deleting: 10.2. Deleting Images (Perl & LWP)

literals: 10.5.1. Literals (Perl & LWP)

nodes

creating from lists: 10.5.2. New Nodes from Lists (Perl & LWP)

deleting: 10.2. Deleting Images (Perl & LWP)

detaching/reattaching: 10.3. Detaching and Reattaching (Perl & LWP)

pseudoelements: 10.4.2. Accessing Comments (Perl & LWP)

replace_with( ) method constraints: 10.3.2. Constraints (Perl & LWP)

HTML::Entities module: 20.4.1. Problem (Perl Cookbook)

HTML::FormatText module: 20.5.3. Discussion (Perl Cookbook)

HTML::LinkExtor module: 20.3. Extracting URLs (Perl Cookbook)

HTML::Parser: 6.4. When Regular Expressions Aren't Enough (Perl & LWP)

htmlsub program (example): 20.14. Program: htmlsub (Perl Cookbook)

HTML::TokeParser: 6.4. When Regular Expressions Aren't Enough (Perl & LWP)

7. HTML Processing with Tokens (Perl & LWP)

as filter: 7.3.2. HTML Filters (Perl & LWP)

methods: 7.5. More HTML::TokeParser Methods (Perl & LWP)

New York Times cookie example: 11.1.4. Cookies and the New York Times Site (Perl & LWP)

streams and: 7.2. Basic HTML::TokeParser Use (Perl & LWP)

HTML::TreeBuilder: 6.4. When Regular Expressions Aren't Enough (Perl & LWP)

9.2. HTML::TreeBuilder (Perl & LWP)

20.5.3. Discussion (Perl Cookbook)

BBC News headline extraction: 9.4. Example: BBC News (Perl & LWP)

cleanup: 9.2.4. Cleanup (Perl & LWP)

comment access: 10.4.2. Accessing Comments (Perl & LWP)

constructors: 9.2.1. Constructors (Perl & LWP)

dump( ) method: 9.2. HTML::TreeBuilder (Perl & LWP)

Fresh Air data extraction example: 9.5. Example: Fresh Air (Perl & LWP)

parse( ) method: 9.2. HTML::TreeBuilder (Perl & LWP)

parsing options: 9.2.2. Parse Options (Perl & LWP)

searches: 9.3.1. Methods for Searching the Tree (Perl & LWP)

store_comments( ): 10.4.1. Retaining Comments (Perl & LWP)

whitespace: 10.1.1. Whitespace (Perl & LWP)

HTTP

cookies, setting and getting: 32.1.9. World Wide Web (Programming Perl)

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

HTTP Basic Authentication: 11.3. Authentication (Perl & LWP)

HTTP, debugging exchanges in: 19.9.1. Problem (Perl Cookbook)

HTTP GET query: 2.5. Example: AltaVista (Perl & LWP)

HTTP (Hypertext Transfer Protocol): 2. Web Basics (Perl & LWP)

2.2. An HTTP Transaction (Perl & LWP)

22.1. Library for WWW Access in Perl (Mastering Perl/Tk)

links, searching for: 1.7. Regular Expressions (Programming Perl)

request messages: 20.1. LWP Overview (Perl in a Nutshell)

Win32::Internet functions for: 22.7.3. HTTP Functions (Perl in a Nutshell)

HTTP methods: 19.0.2. Behind the Scenes (Perl Cookbook)

19.1.3. Discussion (Perl Cookbook)

HTTP modules

HTTP::Cookies module: 20.3.6. HTTP::Cookies (Perl in a Nutshell)

HTTP::Cookies::Netscape module: 20.3.6.1. HTTP::Cookies::Netscape (Perl in a Nutshell)

HTTP::Daemon module: 20.3.7. HTTP::Daemon (Perl in a Nutshell)

HTTP::Daemon::ClientConn module: 20.3.7.1. HTTP::Daemon::ClientConn methods (Perl in a Nutshell)

HTTP::Date module: 20.3.5. HTTP::Date (Perl in a Nutshell)

HTTP::Headers module: 20.3.3. HTTP::Headers (Perl in a Nutshell)

HTTP::Message module: 20.3.8. HTTP::Message (Perl in a Nutshell)

HTTP::Request module: 20.1. LWP Overview (Perl in a Nutshell)

20.3.1. HTTP::Request (Perl in a Nutshell)

HTTP::Response module: 20.1. LWP Overview (Perl in a Nutshell)

20.3.2. HTTP::Response (Perl in a Nutshell)

HTTP::Status module: 20.3.4. HTTP::Status (Perl in a Nutshell)

HTTP POST query: 2.6. HTTP POST (Perl & LWP)

Babelfish example: 2.7. Example: Babelfish (Perl & LWP)

HTTP requests: 2.2.1. Request (Perl & LWP)

HTTP responses: 2.2.2. Response (Perl & LWP)

HTTP URLs: 2.1. URLs (Perl & LWP)

HTTP( ) (Win32::Internet): 22.7.1. General Internet Methods (Perl in a Nutshell)

HTTP::Cookies: 11.1.2. Loading Cookies from a File (Perl & LWP)

HTTP::Cookies::Netscape class: 11.1.2. Loading Cookies from a File (Perl & LWP)

HTTP::Response class: 3.1. The Basic Classes (Perl & LWP)

HTTP::Response object: 3.5. HTTP::Response Objects (Perl & LWP)

content: 3.5.2. Content (Perl & LWP)

expiration times: 3.5.4. Expiration Times (Perl & LWP)

header values: 3.5.3. Headers (Perl & LWP)

hubris: Glossary (Programming Perl)

HV (internal hash value): 21.2. Internal Data Types (Programming Perl)

Glossary (Programming Perl)

HWND (window handle), -use option and: 11.3. Options (Mastering Perl/Tk)

h2xs: 22.3. Creating CPAN Modules (Programming Perl)

12.8.2. Solution (Perl Cookbook)

12.15.1. Problem (Perl Cookbook)

21.3.1. XS and XSUBs (Programming Perl)

21.3.2. Creating Extensions (Programming Perl)

hyperlinks: 9.0. Introduction (Perl Cookbook)

stale/fresh: 20.7.1. Problem (Perl Cookbook)

binding and: 8.5.6. Using bind with Tags (Mastering Perl/Tk)

hypertext

Text widgets and: 8. The Text, TextUndo,and ROText Widgets (Mastering Perl/Tk)

user interface example: 19.3.1. Creating the Hypertext User Interface (Mastering Perl/Tk)

Hypertext Markup Language (see HTML)

hyphen (-)

in [...] construct: 4.6.4. Character Classes (Perl in a Nutshell)

in PYX notation: 4.5. XML::PYX (Perl & XML)

arithmetic negation operator: 4.5.2. Unary Operators (Perl in a Nutshell)

as index modifier: 8.4.2. Index Modifiers (Mastering Perl/Tk)

configuration parameters and: 1.3.3. Specifying Options (Mastering Perl/Tk)

1.3.3. Specifying Options (Mastering Perl/Tk)

grid geometry manager placeholder: 21.2.2. The grid Geometry Manager (Perl in a Nutshell)

grid method and: 2.1.1. Options for pack (Mastering Perl/Tk)

2.2.1. Special Characters (Mastering Perl/Tk)

indicating standard input stream: 6.2. Input from the Diamond Operator (Learning Perl)

Perl debugger command: 6.2. Debugger Commands (Perl in a Nutshell)

setPalette method and: 13.4.5. Setting Colors (Mastering Perl/Tk)

specifying range of characters: 8.1. Character Classes (Learning Perl)

Text widgets and -- option: 8.16. Marks (Mastering Perl/Tk)

-> (arrow) operator: 4.5.1. The Arrow Operator (Perl in a Nutshell)

dereferencing with: 4.8.2.1. Arrow dereferencing (Perl in a Nutshell)

-= (assignment) operator: 4.5.6. Assignment Operators (Perl in a Nutshell)

-- (autodecrement) operator: 4.5.5. Autoincrement and Autodecrement (Perl in a Nutshell)

hyphenating text, Perl module for: 22.1. The CPAN modules Directory (Programming Perl)

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