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Index: H

h command (debugger) : 8.1.1. Debugger Commands

H command (debugger) : 8.1.1. Debugger Commands

-h switch, perl : 6.1.2. Switches

hard references

4.1. What Is a Reference?

4.2. Creating Hard References

4.5.1. Hard References Don't Work as Hash Keys

Harness module : 7.2.66. Test::Harness - Run Perl Standard Test Scripts with Statistics

"has-a" relationship : 5.5.5. Containment (the "Has-a" Relationship)

hash mark : (see # (sharp))

Hash module : 7.2.72. Tie::Hash, Tie::StdHash - Base Class Definitions for Tied Hashes

hashes

1.2.1.2. Pluralities

2.2. Built-in Data Types

2.3.5. Hashes (Associative Arrays)

anonymous, references to : 4.2.3. The Anonymous Hash Composer

of arrays, code for : 4.7.2. Hashes of Arrays

automatic sorting of : 7.2.8.4. In-memory databases

binding DBM file to : 3.2.24. dbmopen

of complex records : 4.7.5.3. Generation of a hash of complex records

deleting values from : 3.2.26. delete

dictonary file, searching : 7.2.53. Search::Dict - Search for Key in Dictionary File

global : 2.9.4. Global Special Arrays

hard references as keys : 4.5.1. Hard References Don't Work as Hash Keys

initializing with x operator : 2.5.7. Multiplicative Operators

instead of linear searches : 8.3.1. Time Efficiency

inverting : 3.2.126. reverse

key/value pair precedence : 2.3.5. Hashes (Associative Arrays)

multidimensional : 4.7.4. Hashes of Hashes

names for : 2.3.1. Variables

returning key-value pairs : 3.2.30. each

returning list of keys : 3.2.79. keys

returning values of : 3.2.187. values

SubstrHash module : 7.2.74. Tie::SubstrHash - Fixed-table-size, Fixed-key-length Hashing

symbol tables : 5.1.1. Symbol Tables

tied : 7.2.72. Tie::Hash, Tie::StdHash - Base Class Definitions for Tied Hashes

typing : 5.4.3. Tying Hashes

here documents : 2.3.2.6. "Here" documents

hex function : 3.2.73. hex

hexadecimal numbers

2.3.2.2. String literals

2.4.1.2. The rules of regular expression matching

3.2.73. hex

hints, compiler : 2.9.3. Global Special Variables

history of Perl : 8.7. History Made Practical

history, command : 8.1.2. Using the Debugger

home directory : 3.2.11. chdir

homepage, Perl : The Perl Homepage

hostnames : 7.2.62. Sys::Hostname - Try Every Conceivable Way to Get Hostname

getting from network addresses : 3.2.47. gethostbyaddr

translating to addresses

3.2.48. gethostbyname

3.2.52. getnetbyname

hosts file : (see /etc/hosts file)

hosts, pinging : 7.2.46. Net::Ping - Check Whether a Host Is Online

hyphen : (see - (hyphen))

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