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Index: L

goto statement

Programming Perl, 2.6.6. Goto
Programming Perl, 3.2.71. goto

loops

Perl in a Nutshell, 4.3.1.5. Loop control
Programming Perl, 2.6.4. Loop Statements
Programming Perl, 2.6.4.4. Loop control
Programming Perl, 8.4. Programming with Style

menu : Perl Cookbook, 15.14. Creating Menus with Tk

names for : Programming Perl, 2.3.1. Variables

statement blocks : Perl in a Nutshell, 4.3. Statements

-labelVariable option (Frame) : Perl in a Nutshell, 18.17. The Frame Widget

languages

extension modules : Learning Perl on Win32 Systems, B.2.14. For Developers: Language Extensions and Platform Development Support

generating in Perl : Programming Perl, 6.4.1.1. Generating other languages in Perl

generating Perl in : Programming Perl, 6.4.1.2. Generating Perl in other languages

natural vs. artificial : Programming Perl, 1.2. Natural and Artificial Languages

translating

Programming Perl, 6.4.2. Translation from Other Languages
Programming Perl, 8.5.1. Translation from Awk and Sed

last operator

Perl Cookbook, 4.12. Finding the First List Element That Passes a Test

Learning Perl on Win32 Systems, 9.1. The last Statement

Perl in a Nutshell, Chapter 5, Reference: last

Perl in a Nutshell, 4.3.1.5. Loop control

Programming Perl, 1.6.2.4. Breaking out: next and last

Programming Perl, 2.6.4.4. Loop control

Programming Perl, 3.2.81. last

Programming Perl, 8.3.1. Time Efficiency

Programming Perl, 8.4. Programming with Style

examples of

Learning Perl on Win32 Systems, A.8. Chapter 9, Miscellaneous Control Structures
Learning Perl on Win32 Systems, 9.5. Expression Modifiers

Net::NNTP module : Perl in a Nutshell, Chapter 15, Reference: last

Net::POP3 module : Perl in a Nutshell, Chapter 14, Reference: last

Last() (Mail::POP3Client) : Perl in a Nutshell, Chapter 14, Reference: Last

last access/modification times

Learning Perl, 13.7. Modifying Timestamps
Learning Perl on Win32 Systems, 13.5. Modifying Timestamps

last index (Menu widget) : Perl in a Nutshell, 18.15.1. Menu Indexes

last_labeled_message() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: last_labeled_message

last_message() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: last_message

$LAST_PAREN_MATCH ($+) variable

Perl Cookbook, 6.0. Introduction
Perl in a Nutshell, 4.4.5. Regular Expression Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.1. Regular Expression Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

LastError() (Win32::OLE) : Perl in a Nutshell, Chapter 19, Reference: LastError

laston program : Perl Cookbook, 8.20. Program: laston

LaTeX, translating pod to : Perl in a Nutshell, Chapter 4, Reference: pod2latex

lc()

Perl Cookbook, 1.9. Controlling Case
Perl in a Nutshell, Chapter 5, Reference: lc
Programming Perl, 3.2.82. lc

lcfirst()

Perl Cookbook, 1.9. Controlling Case
Perl in a Nutshell, Chapter 5, Reference: lcfirst
Programming Perl, 3.2.83. lcfirst

le (less than or equal) operator

Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators

leading whitespace, removing : Perl Cookbook, 1.14. Trimming Blanks from the Ends of a String

leaving : (see terminating)

left angle bracket : (see <> (angle brackets))

left associativity : Learning Perl, 2.4.3. Operator Precedence and Associativity

left justification : Programming Perl, 2.8.1. Format Variables

left-right pairs as delimiters : Learning Perl, 7.4.3. Using a Different Delimiter

left-shift (<<) operator : Programming Perl, 2.5.9. Shift Operators

length

of arrays : Programming Perl, 2.3.4. List Values and Arrays
of strings : Programming Perl, 8.3.1. Time Efficiency

length()

Learning Perl, A.15. Chapter 16, System Database Access
Learning Perl, 17.4. Fixed-Length Random Access Databases
Learning Perl on Win32 Systems, 17.4. Fixed-Length Random-Access Databases
Perl in a Nutshell, Chapter 5, Reference: length
Programming Perl, 3.2.84. length

-length option (Scale) : Perl in a Nutshell, 18.13. The Scale Widget

less module : Perl in a Nutshell, 8.102. less

less than (<, lt) operators

Learning Perl on Win32 Systems, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators

less than or equal (<, le) operators

Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators

less than sign : (see <> (angle brackets))

lexical scoping

Advanced Perl Programming, 3.1.2. Lexical Versus Dynamic Scoping
Perl Cookbook, 10.2. Making Variables Private to a Function
Perl Cookbook, 10.13. Saving Global Values
Perl in a Nutshell, 4.2.6. Declarations and Scope
Perl in a Nutshell, 4.7.4. Private and Local Variables
Programming Perl, 2.6.8. Scoped Declarations

lexical variables

Advanced Perl Programming, 3.1.1. Lexical Variables
Advanced Perl Programming, 6.1.1. Packages and Variables

lib module

Perl in a Nutshell, 8.103. lib
Programming Perl, 7.2.41. lib - Manipulate @INC at Compile-Time

lib-win32 library : (see Win32 modules)

lib-www-perl file : (see LWP library)

Liblist module : Programming Perl, 7.2.17. ExtUtils::Liblist - Determine Libraries to Use and How to Use Them

libnet modules : Perl in a Nutshell, 14. Email Connectivity

libraries

(see directories)
Advanced Perl Programming, 6.2. Packages and Files
Perl Cookbook, 12.0. Introduction
Programming Perl, 7. The Standard Perl Library
definition of : Learning Perl on Win32 Systems, B.1. Library Terminology
ExtUtils::Liblist module : Programming Perl, 7.2.17. ExtUtils::Liblist - Determine Libraries to Use and How to Use Them
WWW access in Perl (LWP) : Learning Perl, 19.10.3. Web Automation with LWP

library modules, functions for : Perl in a Nutshell, 5.1. Perl Functions by Category

libwin32 package : Learning Perl on Win32 Systems, 1.3.2. Standard Perl Distribution

libwww-perl modules : Perl Cookbook, 20.0. Introduction

line breaks

(see also whitespace)
Perl Cookbook, 6.6. Matching Multiple Lines
counting lines in files : Perl Cookbook, 8.2. Counting Lines (or Paragraphs or Records) in a File
defining lines : Perl Cookbook, 8.11. Processing Binary Files
deleting last file line : Perl Cookbook, 8.10. Removing the Last Line of a File
extracting ranges of lines : Perl Cookbook, 6.8. Extracting a Range of Lines
matching across multiple lines : Perl Cookbook, 6.6. Matching Multiple Lines
random lines from files : Perl Cookbook, 8.6. Picking a Random Line from a File
randomizing file line order : Perl Cookbook, 8.7. Randomizing All Lines
reading files backwards : Perl Cookbook, 8.4. Reading a File Backwards by Line or Paragraph
reading with continuation characters : Perl Cookbook, 8.1. Reading Lines with Continuation Characters

line counter : (see $ variables, $. variable)

line input operators : (see angle operator)

line mode interfaces : Perl Cookbook, 15.0. Introduction

line number : Programming Perl, 2.3.2.7. Other literal tokens

__LINE__ token

Perl Cookbook, 10.4. Determining Current Function Name
Perl in a Nutshell, 4.4.4. Global Special Constants
Programming Perl, 2.3.2.7. Other literal tokens

line-end processing

Perl in a Nutshell, 3.2. Command-Line Options
Programming Perl, 6.1.2. Switches

line-input <...> operator : Perl in a Nutshell, 4.9. Filehandles

line-oriented quoting : Programming Perl, 2.3.2.6. "Here" documents

LINE: (implicit loop label) : Perl Cookbook, 7.7. Writing a Filter

LineInfo option (PERLDB_OPTS) : Perl in a Nutshell, 6.4. Customizing the Debugger

linestart, lineend modifiers (Text widget) : Perl in a Nutshell, 18.11.1. Text Indexes and Modifiers

Lingua::EN::Inflect module : Perl Cookbook, 2.18. Printing Correct Plurals

link()

Learning Perl, A.12. Chapter 13, File and Directory Manipulation
Learning Perl, 13.3.2. Creating Hard and Soft Links with Perl
Learning Perl on Win32 Systems, 13. File and Directory Manipulation
Perl in a Nutshell, Chapter 5, Reference: link
Programming Perl, 3.2.85. link

link object (PerlScript) : Perl in a Nutshell, 20.1.1. The Document Object

links

(see hyperlinks)
(see symbolic links)

Lint backend (Perl compiler) : Perl in a Nutshell, 3.4. The Perl Compiler

Linux, installing Perl and : Perl in a Nutshell, 2.3.1. Installing on Unix

list()

Net::FTP module : Perl in a Nutshell, Chapter 16, Reference: list
Net::NNTP module : Perl in a Nutshell, Chapter 15, Reference: list
Net::POP3 module : Perl in a Nutshell, Chapter 14, Reference: list

List()

Mail::POP3Client module : Perl in a Nutshell, Chapter 14, Reference: List
Win32::Internet module : Perl in a Nutshell, Chapter 19, Reference: List

list active command (NNTP) : Perl in a Nutshell, 15.1. The NNTP Protocol

list_all_labels() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: list_all_labels

list assignment : Perl Cookbook, 1.3. Exchanging Values Without Using Temporary Variables

list context

Perl in a Nutshell, 4.2.5. Scalar and List Contexts
Programming Perl, 1.8. List Processing
Programming Perl, 2.3.3.1. Scalar and list context
Programming Perl, 3. Functions
angle operator in : Programming Perl, 2.3.7.2. Line input (angle) operator
detecting : Perl Cookbook, 10.6. Detecting Return Context
forcing scalar context instead : Programming Perl, 3.2.131. scalar
range (..) operator in : Programming Perl, 2.5.15. Range Operator
recognizing in debugger : Programming Perl, 8.1.2. Using the Debugger

list_labels() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: list_labels

list prototype symbol (@) : Perl in a Nutshell, 4.7.5. Prototypes

list reference (in Perl 5.0) : Learning Perl, 3.4.1. Assignment

$LIST_SEPARATOR ($") variable

Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

Listbox widget (Perl/Tk) : Perl in a Nutshell, 18.10. The Listbox Widget

listen()

Perl Cookbook, 17.0. Introduction

Perl in a Nutshell, Chapter 5, Reference: listen

Programming Perl, 3.2.86. listen

Socket module

Perl in a Nutshell, 13.1. Built-in Socket Functions
Perl in a Nutshell, 13.1.3. Server Connections

Listen option

IO::Socket::INET module : Perl in a Nutshell, 13.2.4. IO::Socket::INET Reference
IO::Socket::UNIX module : Perl in a Nutshell, 13.2.5. IO::Socket::UNIX Reference

listgroup() (Net::NNTP) : Perl in a Nutshell, Chapter 15, Reference: listgroup

listing code : Programming Perl, 8.1.1. Debugger Commands

listing the /etc directory, example of : Learning Perl, 12.5. Reading a Directory Handle

lists

(see also arrays)

Perl Cookbook, 4.0. Introduction

Learning Perl, 1.5.5. More than One Secret Word

Learning Perl, 3.1. What Is a List or Array?

Learning Perl on Win32 Systems, 1.6.5. More than One Secret Word

Learning Perl on Win32 Systems, 3.1. What Is a List or Array?

Perl in a Nutshell, 4.2.3. Lists

Programming Perl, 1.2.1.2. Pluralities

Programming Perl, 2.3.4. List Values and Arrays

arrays vs. : Perl Cookbook, 4.0. Introduction

chopping : Programming Perl, 3.2.14. chop

circular : Perl Cookbook, 4.16. Implementing a Circular List

constructor operator (..) : Learning Perl, 3.2. Literal Representation

extracting particular elements/subsets

Perl Cookbook, 4.6. Extracting Unique Elements from a List
Perl Cookbook, 4.13. Finding All Elements in an Array Matching Certain Criteria

flattened : Perl Cookbook, 4.0. Introduction

foreach statement and

Learning Perl, 4.5. The foreach Statement
Learning Perl on Win32 Systems, 4.6. The foreach Statement

as function arguments : Programming Perl, 3. Functions

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

HList widgets

Advanced Perl Programming, A.8. HList - Hierarchical List
Advanced Perl Programming, 14.3.11. HList

initializing : Perl Cookbook, 4.1. Specifying a List In Your Program

iterating through all elements

Perl Cookbook, 4.4. Doing Something with Every Element in a List
Perl Cookbook, 4.12. Finding the First List Element That Passes a Test

Listbox widgets

Advanced Perl Programming, A.4. Listbox
Advanced Perl Programming, 14.3.6. Listbox

map function and : Programming Perl, 3.2.91. map

nested

Learning Perl, 3.4.1. Assignment
Programming Perl, 4.6. A Brief Tutorial: Manipulating Lists of Lists
Programming Perl, 4.7. Data Structure Code Examples

operators for

Perl in a Nutshell, 4.5. Operators
Programming Perl, 2.5.1. Terms and List Operators (Leftward)
Programming Perl, 2.5.19. List Operators (Rightward)

passing arguments to subroutines : Perl in a Nutshell, 4.7.2. Passing Arguments

permute programs : Perl Cookbook, 4.19. Program: permute

printing with commas : Perl Cookbook, 4.2. Printing a List with Commas

processing multiple elements : Perl Cookbook, 4.11. Processing Multiple Elements of an Array

randomizing element order : Perl Cookbook, 4.17. Randomizing an Array

replicating with x operator : Programming Perl, 2.5.7. Multiplicative Operators

returning elements in reverse order : Programming Perl, 3.2.126. reverse

reversing elements of : Perl Cookbook, 4.10. Reversing an Array

ScrlListBox function : Advanced Perl Programming, 14.3.9. Scrollbars and Scrolling

scrolling : Learning Perl, 19.7.2. Fancier Calling Sequences

sorting : Programming Perl, 3.2.153. sort

as subroutine return values : Learning Perl, 8.3. Return Values

as subscript, examples of

Learning Perl, A.15. Chapter 16, System Database Access
Learning Perl, 16.1. Getting Password and Group Information

syscall function with : Programming Perl, 3.2.164. syscall

unions, intersections, differences : Perl Cookbook, 4.7. Finding Elements in One Array but Not Another

values of : Programming Perl, 2.3.4. List Values and Arrays

words program (example) : Perl Cookbook, 4.18. Program: words

LISTs

(see also lists)
Programming Perl, 1.8. List Processing

literal lists, slices of : Learning Perl, 3.4.2. Array Element Access

literals : Programming Perl, 2.4.1.1. The regular expression bestiary

array literals : Learning Perl, 3.2. Literal Representation
hashes (associative arrays) : Learning Perl, 5.3. Literal Representation of a Hash
numeric : (see numbers)
pseudo-literals : (see input, operators)
string : (see strings)

little-endian : Learning Perl, 16.2. Packing and Unpacking Binary Data

llamas, counting : Learning Perl, 18.1. Converting awk Programs to Perl

ln command

and -s option, emulating : Learning Perl, 13.3.2. Creating Hard and Soft Links with Perl
and creating links : Learning Perl, 13.3.2. Creating Hard and Soft Links with Perl

.lnk files : Perl in a Nutshell, 19.16. Win32::Shortcut

load()

HTTP::Cookies module : Perl in a Nutshell, Chapter 17, Reference: load
News::Newsrc module : Perl in a Nutshell, Chapter 15, Reference: load

Load()

Win32::OLE::Const module : Perl in a Nutshell, 19.18.5. Win32::OLE::Const
Win32::Registry module : Perl in a Nutshell, Chapter 19, Reference: Load
Win32::Shortcut module : Perl in a Nutshell, Chapter 19, Reference: Load

load_all function : Advanced Perl Programming, 11.3.1.2. Retrieving objects

load path : Advanced Perl Programming, 6.2.1. Load Path

loader program (example) : Perl Cookbook, 15.17. Removing the DOS Shell Window with Windows Perl/Tk

loading functions : (see AutoLoader module; SelfLoader module)

AutoLoader module : Perl in a Nutshell, 8.3. AutoLoader

DynaLoader module : Perl in a Nutshell, 8.44. DynaLoader

SelfLoader module

Perl in a Nutshell, 8.129. SelfLoader
Programming Perl, 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module
Programming Perl, 7.2.55. SelfLoader - Load Functions Only on Demand

loading modules : (see modules)

local

communications : Programming Perl, 6.2.4.2. UNIX-domain clients and servers

declaration : Programming Perl, 3.2.87. local

filehandles

Advanced Perl Programming, 3.4.3. Localizing Filehandles
Programming Perl, 2.3.6. Typeglobs and Filehandles

servers : Learning Perl on Win32 Systems, 19.1. Introduction to OLE Automation

time : Programming Perl, 7.2.75. Time::Local - Efficiently Compute Time from Local and GMT Time

variables

Advanced Perl Programming, 3.2.3. Aliasing Problem: Variable Suicide
Advanced Perl Programming, 4.3.1. Closures, Behind the Scenes
Advanced Perl Programming, 20.3.5.2. How local and my work
Perl in a Nutshell, 4.2.6. Declarations and Scope
Perl in a Nutshell, 4.7.4. Private and Local Variables
Programming Perl, 2.6.8. Scoped Declarations
Programming Perl, 3.2.87. local
Programming Perl, 8.2.2. Frequently Ignored Advice
and foreach statement : Learning Perl, 4.5. The foreach Statement
creating, with local() : Learning Perl, 8.5. Private Variables in Functions
foreach statement : Learning Perl on Win32 Systems, 4.6. The foreach Statement
in subroutines, example of : Learning Perl on Win32 Systems, 8.4. Arguments

local()

Perl Cookbook, 10.13. Saving Global Values

Perl Cookbook, 10.14. Redefining a Function

Perl Cookbook, 16.16. Temporarily Overriding a Signal Handler

Learning Perl, 8.5. Private Variables in Functions

Perl in a Nutshell, Chapter 5, Reference: local

Programming Perl, 3.2.87. local

Programming Perl, 8.2.1. Universal Blunders

Programming Perl, 8.2.2. Frequently Ignored Advice

examples of

Learning Perl, A.7. Chapter 8, Functions
Learning Perl, 11.4.2. Numeric Fields
Learning Perl on Win32 Systems, A.7. Chapter 8, Functions
Learning Perl on Win32 Systems, 11.4.2. Numeric Fields

loops and : Learning Perl, 8.5. Private Variables in Functions

Local module : Programming Perl, 7.2.75. Time::Local - Efficiently Compute Time from Local and GMT Time

local operator

Advanced Perl Programming, 1.2.3. References to Anonymous Storage
Advanced Perl Programming, 3.1.2. Lexical Versus Dynamic Scoping

Local option (IO::Socket::UNIX) : Perl in a Nutshell, 13.2.5. IO::Socket::UNIX Reference

LocalAddr option (IO::Socket::INET) : Perl in a Nutshell, 13.2.4. IO::Socket::INET Reference

locale module : Perl in a Nutshell, 8.104. locale

locale settings : Perl Cookbook, 6.12. Honoring Locale Settings in Regular Expressions

localizing functions : Perl Cookbook, 10.14. Redefining a Function

localizing variables : Advanced Perl Programming, 1.2.3. References to Anonymous Storage

LocalPort option (IO::Socket::INET) : Perl in a Nutshell, 13.2.4. IO::Socket::INET Reference

localtime()

Perl Cookbook, 3.0. Introduction
Perl Cookbook, 3.8. Printing a Date
Perl in a Nutshell, Chapter 5, Reference: localtime
Perl in a Nutshell, 4.2.5. Scalar and List Contexts
Programming Perl, 3.2.88. localtime

location object (PerlScript) : Perl in a Nutshell, 20.1. Client-Side PerlScript

lockarea program : Perl Cookbook, 7.22. Program: lockarea

lockf function, emulating : Programming Perl, 3.2.37. fcntl

locking

blocking signals : Perl Cookbook, 16.20. Blocking Signals

databases : Programming Perl, 7.2.8.7. Locking databases

DBK files : Perl Cookbook, 14.5. Locking DBM Files

DBM files : Programming Perl, 3.2.24. dbmopen

files

Perl Cookbook, 7.11. Locking a File
Perl Cookbook, 7.21. Program: netlock

region-specific locks : Perl Cookbook, 7.22. Program: lockarea

log()

Perl Cookbook, 2.13. Taking Logarithms
Perl in a Nutshell, Chapter 5, Reference: log
Programming Perl, 3.2.89. log

log files

Perl Cookbook, 19.0. Introduction
Perl Cookbook, 20.12. Parsing a Web Server Log File
Programming Perl, 7.2.63. Sys::Syslog - Perl Interface to UNIX syslog(3) Calls
processing : Perl Cookbook, 20.13. Processing Server Logs

-log option (perlcc) : Perl in a Nutshell, 3.4. The Perl Compiler

log10() : Perl Cookbook, 2.13. Taking Logarithms

log_base() (example) : Perl Cookbook, 2.13. Taking Logarithms

logarithms (mathematic)

Perl Cookbook, 2.13. Taking Logarithms
Programming Perl, 3.2.89. log

LOGDIR variable : Perl in a Nutshell, 3.3. Environment Variables

Logfile::Apache : Perl Cookbook, 20.13. Processing Server Logs

logical functionality in patterns : Perl Cookbook, 6.17. Expressing AND, OR, and NOT in a Single Pattern

logical operators

Perl in a Nutshell, 4.5.9. Logical Operators

Programming Perl, 1.5.5. Logical Operators

Programming Perl, 2.5.14. C-style Logical (Short Circuit) Operators

Programming Perl, 2.5.20. Logical and, or, not, and xor

AND (&&) : Programming Perl, 2.5.14. C-style Logical (Short Circuit) Operators

comparison : Learning Perl, 2.4.1. Operators for Numbers

negation (!)

Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular
Programming Perl, 2.5.5. Ideographic Unary Operators

OR (||) operator : Programming Perl, 2.5.14. C-style Logical (Short Circuit) Operators

logical text widget positioning : Advanced Perl Programming, 14.3.5.2. Inserting text at logical positions

login()

Net::FTP module : Perl in a Nutshell, Chapter 16, Reference: login

Net::Netrc module : Perl in a Nutshell, Chapter 16, Reference: login

Net::POP3 module

Perl in a Nutshell, Chapter 14, Reference: login
Perl in a Nutshell, 14.1.3. Retrieving Email with Net::POP3

Login() (Mail::POP3Client)

Perl in a Nutshell, Chapter 14, Reference: Login
Perl in a Nutshell, 14.2.8.6. Explicitly opening and closing connections

login entries (.netrc) : Perl in a Nutshell, 16.3. FTP Configuration with Net::Netrc

login names, accessing : Learning Perl, 7.7. Exercises

login sessions : Perl Cookbook, 15.0. Introduction

login shells, example of changing : Learning Perl, 17.5. Variable-Length (Text) Databases

LoginName function : Learning Perl on Win32 Systems, 16.1. Getting User and Machine Information

LoginName module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

logn() (Math::Complex) : Perl Cookbook, 2.13. Taking Logarithms

Long module : Programming Perl, 7.2.35. Getopt::Long - Extended Processing of Command-Line Options

longjmp function : Advanced Perl Programming, 5.6. Using Eval for Time-Outs

LongReadLen attribute (DBI) : Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles

LongTruncOk attribute (DBI) : Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles

look() : Programming Perl, 7.2.53. Search::Dict - Search for Key in Dictionary File

look command (CPAN.pm) : Perl in a Nutshell, Chapter 2, Reference: look

lookahead assertion : Programming Perl, 2.4.1.4. Regular expression extensions

lookup() (Net::Netrc) : Perl in a Nutshell, Chapter 16, Reference: lookup

LookupAccountName module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

LookupAccountSID module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

loop variables : Perl Cookbook, 4.4. Doing Something with Every Element in a List

loops

Learning Perl, 9.1. The last Statement

Perl in a Nutshell, 4.3.1. Conditionals and Loops

Programming Perl, 1.6.2. Iterative (Looping) Constructs

Programming Perl, 2.6.4. Loop Statements

Programming Perl, 8.2.1. Universal Blunders

Programming Perl, 8.4. Programming with Style

endless/infinite

Learning Perl, 4.3. The while/until Statement
Learning Perl, 9.3. The redo Statement
Learning Perl on Win32 Systems, 4.3. The while/until Statement
Learning Perl on Win32 Systems, 9.3. The redo Statement
Programming Perl, 2.6.4.2. For loops

eval function within : Programming Perl, 8.3.1. Time Efficiency

iterating scripts over filenames : Perl in a Nutshell, 3.2. Command-Line Options

labels for : Programming Perl, 2.6.4.4. Loop control

last operator

Learning Perl, 9.1. The last Statement
Programming Perl, 3.2.81. last

local() and : Learning Perl, 8.5. Private Variables in Functions

nested, exiting from : Learning Perl, 9.4. Labeled Blocks

next operator : Programming Perl, 3.2.99. next

redo operator and : Programming Perl, 3.2.120. redo

reset function and : Programming Perl, 3.2.124. reset

running time for code in : Programming Perl, 7.2.4. Benchmark - Check and Compare Running Times of Code

low-level socket access functions : Perl in a Nutshell, 5.1. Perl Functions by Category

lower() (Canvas) : Perl in a Nutshell, 18.12.3. Canvas Methods

lowercase program (example) : Perl Cookbook, 7.7. Writing a Filter

lowercase, converting to/from : (see case/capitalization)

lpa() (Net::Netrc) : Perl in a Nutshell, Chapter 16, Reference: lpa

lpr command, examples of : Learning Perl, 14.3. Using Processes as Filehandles

ls() (Net::FTP) : Perl in a Nutshell, Chapter 16, Reference: ls

lst program : Perl Cookbook, 9.12. Program: lst

lstat()

(see also stat())
Learning Perl, 10.6. The stat and lstat Functions
Perl in a Nutshell, Chapter 5, Reference: lstat
Programming Perl, 3.2.90. lstat

lt (less-than) operator

Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators

lvaluable functions : Perl Cookbook, 1.1. Accessing Substrings

lvalues

Learning Perl on Win32 Systems, 3.4.1. Assignment
Programming Perl, 2.3.1. Variables

LWP library

Learning Perl, 19.10.3. Web Automation with LWP

Perl in a Nutshell, 17. The LWP Library

HTML modules : Perl in a Nutshell, 17.4. The HTML Module

HTML::Element : Perl in a Nutshell, 17.4.2. HTML::Element
HTML::FormatPS : Perl in a Nutshell, 17.4.4. HTML::FormatPS
HTML::FormatText : Perl in a Nutshell, 17.4.5. HTML::FormatText
HTML::Parser : Perl in a Nutshell, 17.4.1. HTML::Parser
HTML::TreeBuilder : Perl in a Nutshell, 17.4.3. HTML::TreeBuilder

HTTP modules

HTTP::Cookies : Perl in a Nutshell, 17.3.6. HTTP::Cookies

HTTP::Cookies::Netscape : Perl in a Nutshell, 17.3.6.1. HTTP::Cookies::Netscape

HTTP::Daemon : Perl in a Nutshell, 17.3.7. HTTP::Daemon

HTTP::Daemon::ClientConn : Perl in a Nutshell, 17.3.7.1. HTTP::Daemon::ClientConn methods

HTTP::Date : Perl in a Nutshell, 17.3.5. HTTP::Date

HTTP::Headers : Perl in a Nutshell, 17.3.3. HTTP::Headers

HTTP::Message : Perl in a Nutshell, 17.3.8. HTTP::Message

HTTP::Request

Perl in a Nutshell, 17.1. LWP Overview
Perl in a Nutshell, 17.3.1. HTTP::Request

HTTP::Response

Perl in a Nutshell, 17.1. LWP Overview
Perl in a Nutshell, 17.3.2. HTTP::Response

HTTP::Status : Perl in a Nutshell, 17.3.4. HTTP::Status

LWP modules : Perl Cookbook, 20.0. Introduction

extracting HTML tags : Perl Cookbook, 20.6. Extracting or Removing HTML Tags

LWP::Debug module : Perl in a Nutshell, 17.2. The LWP Modules

LWP::Heuristic module : Perl Cookbook, 20.1. Fetching a URL from a Perl Script

LWP::MediaTypes module : Perl in a Nutshell, 17.2. The LWP Modules

LWP::Protocol module : Perl in a Nutshell, 17.2. The LWP Modules

LWP::Request module : Perl Cookbook, 20.1. Fetching a URL from a Perl Script

LWP::Response module : Perl Cookbook, 20.1. Fetching a URL from a Perl Script

LWP::RobotUA module

Perl Cookbook, 20.11. Creating a Robot
Perl in a Nutshell, 17.2. The LWP Modules
Perl in a Nutshell, 17.2.1. LWP::RobotUA sections

LWP::Simple module

Perl Cookbook, 20.1. Fetching a URL from a Perl Script
Perl Cookbook, 20.10. Mirroring Web Pages
Perl in a Nutshell, 17.2. The LWP Modules
Perl in a Nutshell, 17.2.2. LWP::Simple

LWP::UserAgent module

Perl Cookbook, 20.1. Fetching a URL from a Perl Script
Perl in a Nutshell, 17.1. LWP Overview
Perl in a Nutshell, 17.2. The LWP Modules
Perl in a Nutshell, 17.2.3. LWP::UserAgent

URI modules : Perl in a Nutshell, 17.5. The URI Module

URI::Escape : Perl in a Nutshell, 17.5. The URI Module
URI::Heuristic : Perl in a Nutshell, 17.5. The URI Module
URI::URL : Perl in a Nutshell, 17.5.2. URI::URL

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