H

H command (debugger) : Debugger Commands
h command (debugger) : Debugger Commands
-h switch, perl : Switches
hard references What Is a Reference? Creating Hard References Hard References Don't Work as Hash Keys
Harness module : Test::Harness--Run Perl Standard Test Scripts with Statistics
hash mark : What You Don't Know Won't Hurt You (Much)
Hash module : Tie::Hash, Tie::StdHash--Base Class Definitions for Tied Hashes
hashes Hashes. Built-in Data Types Hashes (Associative Arrays) anonymous, references to : The Anonymous Hash Composer of arrays, code for : Hashes of Arrays automatic sorting of : In-memory databases binding DBM file to : dbmopen of complex records : Generation of a hash of complex records deleting values from : delete dictonary file, searching : Search::Dict--Search for Key in Dictionary File global : Global Special Arrays hard references as keys : Hard References Don't Work as Hash Keys initializing with x operator : Multiplicative Operators instead of linear searches : Time Efficiency inverting : reverse key/value pair precedence : Hashes (Associative Arrays) multidimensional : Hashes of Hashes names for : Variables returning key-value pairs : each returning list of keys : keys returning values of : values SubstrHash module : Tie::SubstrHash--Fixed-table-size, Fixed-key-length Hashing symbol tables : Symbol Tables tied : Tie::Hash, Tie::StdHash--Base Class Definitions for Tied Hashes typing : Tying Hashes
here documents : "Here" documents
hex function : hex
hexadecimal characters : String literals
hexadecimal numbers The rules of regular expression matching hex
hints, compiler : Global Special Variables
history of Perl : History Made Practical
history, command : Using the Debugger
home directory : chdir
homepage, Perl : The Perl Homepage
hostnames : Sys::Hostname--Try Every Conceivable Way to Get Hostname getting from network addresses : gethostbyaddr translating to addresses gethostbyname getnetbyname
hosts file : getnetent
hosts, pinging : Net::Ping--Check Whether a Host Is Online
hyphen : What You Don't Know Won't Hurt You (Much) Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z Copyright © 1996 O'Reilly & Associates, Inc. All Rights Reserved.