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Index: H

head( ) function: 2.3.4. Previewing with HEAD

HEAD request

link-checking spider example: 12.3.3. HEAD Response Processing

spider link-checking example and: 12.3.1. The Basic Spider Logic

header( ) method: 3.5.3. Headers

headers: 11.2. Adding Extra Request Header Lines

HTTP requests: 2.2.1. Request

HTTP responses: 2.2.2. Response

Referer header value: 11.2.2. Referer

WWW-Authentication: 11.3. Authentication

headline detector, Netscape imitator: 11.2.1. Pretending to Be Netscape

host( ) method: 4.1. Parsing URLs

HTML: 2. Web Basics

comments, HTML structure: 6.2.8. Use Multiple Steps

debugging: 3.5.6. Debugging

documents, relative URLs: 3.5.5. Base for Relative URLs

links, extracting from remote files: 6.6. Example: Extracting Links from Arbitrary HTML

meta tags: 3.4.8. Advanced Methods

parsing: 1.5.3. Parsing HTML

HTML entities

decode_entities( ): 7.2.3. Text Tokens

HTML forms

data extraction: 5.2.2. GETting a query_form( ) URL

elements: 5.1. Elements of an HTML Form

file opening: 5.4.9. File Selection Elements

option element: 5.4.11. Select Elements and Option Elements

select element: 5.4.11. Select Elements and Option Elements

textarea element: 5.4.10. Textarea Elements

HTML::Element: 9. HTML Processing with Trees

attributes, changing: 10.1. Changing Attributes

detach_content( ) method: 10.3.1. The detach_content( ) Method

element creation: 10.5. Creating New Elements

images, deleting: 10.2. Deleting Images

literals: 10.5.1. Literals

nodes

creating from lists: 10.5.2. New Nodes from Lists

deleting: 10.2. Deleting Images

detaching/reattaching: 10.3. Detaching and Reattaching

pseudoelements: 10.4.2. Accessing Comments

replace_with( ) method constraints: 10.3.2. Constraints

HTML::Parser: 6.4. When Regular Expressions Aren't Enough

HTML::TokeParser: 6.4. When Regular Expressions Aren't Enough

7. HTML Processing with Tokens

as filter: 7.3.2. HTML Filters

methods: 7.5. More HTML::TokeParser Methods

New York Times cookie example: 11.1.4. Cookies and the New York Times Site

streams and: 7.2. Basic HTML::TokeParser Use

HTML::TreeBuilder: 6.4. When Regular Expressions Aren't Enough

9.2. HTML::TreeBuilder

BBC News headline extraction: 9.4. Example: BBC News

cleanup: 9.2.4. Cleanup

comment access: 10.4.2. Accessing Comments

constructors: 9.2.1. Constructors

dump( ) method: 9.2. HTML::TreeBuilder

Fresh Air data extraction example: 9.5. Example: Fresh Air

parse( ) method: 9.2. HTML::TreeBuilder

parsing options: 9.2.2. Parse Options

searches: 9.3.1. Methods for Searching the Tree

store_comments( ): 10.4.1. Retaining Comments

whitespace: 10.1.1. Whitespace

HTTP Basic Authentication: 11.3. Authentication

HTTP GET query: 2.5. Example: AltaVista

HTTP (Hypertext Transfer Protocol): 2. Web Basics

2.2. An HTTP Transaction

HTTP POST query: 2.6. HTTP POST

Babelfish example: 2.7. Example: Babelfish

HTTP requests: 2.2.1. Request

HTTP responses: 2.2.2. Response

HTTP URLs: 2.1. URLs

HTTP::Cookies: 11.1.2. Loading Cookies from a File

HTTP::Cookies::Netscape class: 11.1.2. Loading Cookies from a File

HTTP::Response class: 3.1. The Basic Classes

HTTP::Response object: 3.5. HTTP::Response Objects

content: 3.5.2. Content

expiration times: 3.5.4. Expiration Times

header values: 3.5.3. Headers

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