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Index: H

handlers

Apache: 21.. Handlers

sharing information between: 21.13.1. Problem

handlers for signals (see signal handlers)

handles (see filehandles)

hard links: 9.. Introduction

hash-list equivalence: 5.. Introduction

hashes: 4.7.3. Discussion

5.. Introduction

adding elements to: 5.1.1. Problem

10.11.3.2. Mimicking built-ins

anonymous: 11.. Anonymous Data

of arrays: 11.2.1. Problem

arrays and: 5.. Introduction

comparing keys of: 5.12.1. Problem

counting how often something appears: 5.15.3. Discussion

deleting elements of: 5.4.1. Problem

dutree program: 5.17. Program: dutree

finding most common anything: 5.15.1. Problem

initializing: 5.. Introduction

inverting: 5.9.1. Problem

for list unions, intersections, differences: 4.8.3. Discussion

lookups by key or value: 13.15.7. Tie Example: Hash That Allows Lookups by Key or Value

merging: 5.11.1. Problem

multiple values per key: 5.8.1. Problem

presizing: 5.14.1. Problem

printing: 5.6.1. Problem

reading and writing records to file: 11.10.1. Problem

as records: 11.. Records

references as elements: 5.13.2. Solution

references to: 11.3.1. Problem

representing data relationships: 5.16.1. Problem

representing relationships between data: 5.16.2. Solution

retrieving in insertion order: 5.7.1. Problem

slices of: 4.8.3. Discussion

sorting elements: 5.10.1. Problem

testing for keys: 5.2.1. Problem

ties for: 13.15.5. Tie Example: Make a Hash That Always Appends

traversing: 5.5.1. Problem

head( ), finding stale hyperlinks: 20.7.2. Solution

HEAD method: 19.. Behind the Scenes

headers, interrogating with mod_perl: 21.5.1. Problem

here documents: 1.. Introduction

indenting: 1.16.1. Problem

hex( ): 2.15.2. Solution

hexadecimal numbers, converting: 2.15.1. Problem

hidden( ), generating sticky hidden fields: 19.11.3. Discussion

high-resolution timers: 3.9.1. Problem

history.db file, grepping: 14.19. Program: ggh—Grep Netscape Global History

hopdelta program: 3.11. Program: hopdelta

hostnames

identifying at socket end: 17.7.2. Solution

obtaining your own: 17.8.1. Problem

HotKey module: 15.8.3. Description

hours (see date and time values)

h2ph tool, translating C header files: 12.17.1. Problem

hpush( ): 10.11.3.2. Mimicking built-ins

HREF fields, substitutions for: 20.21. Program: hrefsub

hrefsub program: 20.21. Program: hrefsub

HTML

converting ASCII to and from: 20.4.1. Problem

extracting tags: 20.6.1. Problem

extracting URLs from: 20.3.1. Problem

finding stale or fresh links: 20.7.1. Problem

parsing: 20.18.1. Problem

putting links around URLs: 6.21. Program: urlify

shortcuts, formatting lists and tables with: 19.6.1. Problem

tables in, extracting data from: 20.19.1. Problem

templates: 20.9.1. Problem

text substitutions: 20.20. Program: htmlsub

XML and: 22.. Introduction

HTML forms: 19.. HTML and Forms

accessing parameters with mod_perl: 21.6.1. Problem

automating submission: 20.2.1. Problem

Boolean connectives in patterns: 6.18.1. Problem

saving and mailing: 19.12.1. Problem

sticky widgets: 19.10.1. Problem

HTML::FormatText module: 20.5.3. Discussion

HTML::LinkExtor module: 20.3.2. Solution

HTML::Mason module: 21.16.1. Problem

autohandlers: 21.16.3.4. Autohandlers

configuration: 21.16.3.1. Configuration

dhandlers: 21.16.3.5. Dhandlers

21.16.3.5. Dhandlers

Mason syntax: 21.16.3.2. Basic Mason syntax

objects: 21.16.3.3. Objects

htmlsub program: 20.20. Program: htmlsub

HTML::TableContentParser module: 20.19.2. Solution

HTML::TextToHTML module: 20.4.3. Discussion

HTML::TokeParser module: 20.18.3. Discussion

HTTP methods: 19.. Behind the Scenes

19.1.3. Discussion

HTTP::Cookies module: 20.14.3. Discussion

HTTP::Response module: 20.1.3. Discussion

h2xs tool: 12.9.2. Solution

making a module with C code: 12.18.1. Problem

hyperlinks

clearing link list: 20.3.3. Discussion

extracting from HTML: 20.3.1. Problem

finding stale or fresh: 20.7.1. Problem

hyphen (-)

-0 command-line option: 8.. Basic Operations

-a command-line option, writing filters: 7.14.3.2. Command-line options

-e command-line option, writing filters: 7.14.3.2. Command-line options

-> (arrow) operator: 11.. References

13.. Methods

-> (infix) notation: 11.. References

-i command-line option

modifying files with: 7.16.2. Solution

writing filters: 7.14.3.2. Command-line options

-I command-line switch: 12.8.2. Solution

-n command-line option, writing filters: 7.14.3.2. Command-line options

-p command-line option

modifying files with: 7.16.2. Solution

writing filters: 7.14.3.2. Command-line options

-t command-line option: 15.2.2. Solution