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Index: L

-labelBackground option: 5.1.2. Label Options (Mastering Perl/Tk)
-labelFont option: 5.1.2. Label Options (Mastering Perl/Tk)
-labelPack option
changing label location with: 11.3. Options (Mastering Perl/Tk)
Frame widgets and: 11.3. Options (Mastering Perl/Tk)
LabEntry widgets and: 5.1.2. Label Options (Mastering Perl/Tk)
-labelside option: 23.7.1. LabFrame Options (Mastering Perl/Tk)
-labelVariable option: 11.3. Options (Mastering Perl/Tk)
11.3.4. Adding a Label to a Frame (Mastering Perl/Tk)
-length option
ConfigSpecs method and: 14.3.6.1. ConfigSpecs Examples (Mastering Perl/Tk)
ProgressBar widgets and: 23.10.1. ProgressBar Options (Mastering Perl/Tk)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
10.8. Changing the Size of the Scale (Mastering Perl/Tk)
Thermometer example: 14.4.1. Tk::Thermometer (Mastering Perl/Tk)
-linespace option: 3.5. Font Manipulation Methods (Mastering Perl/Tk)
-listcmd option: 23.6. The BrowseEntry Widget (Mastering Perl/Tk)
-listwidth option: 23.6. The BrowseEntry Widget (Mastering Perl/Tk)
-lmargin2 option: 8.5.1. Tag Options (Mastering Perl/Tk)
-l (automatic line ending) command-line switch: 19.1.3. Switches (Programming Perl)
\L (lowercase) characters: 4.6.4. Character Classes (Perl in a Nutshell)
l command (Perl debugger): 6.2. Debugger Commands (Perl in a Nutshell)
-l file test operator: 4.5.8. File Test Operators (Perl in a Nutshell)
L<> interior sequence (pod): 4.13.2. Interior Sequences (Perl in a Nutshell)
-l option, form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
-l option (dprofpp): 6.5. The Perl Profiler (Perl in a Nutshell)
-L option (perlcc): 3.4. The Perl Compiler (Perl in a Nutshell)
\l shortcut: 9.6.5. Case Shifting (Learning Perl)
\l string escape: 1.9.2. Solution (Perl Cookbook)
-l (symbolic link) file test: 3.10. Named Unary and File Test Operators (Programming Perl)
-label option
add method and: 23.8.1. Creating Pages (Mastering Perl/Tk)
Frame widget: 21.17. The Frame Widget (Perl in a Nutshell)
Frame widgets and: 11.3. Options (Mastering Perl/Tk)
11.3.4. Adding a Label to a Frame (Mastering Perl/Tk)
image example and: 17.7.1. Creating a Color Palette with the put Method (Mastering Perl/Tk)
LabFrame widgets and: 23.7.1. LabFrame Options (Mastering Perl/Tk)
mega-widgets and: 14.1. A Mega-Widget Quick-Start (Mastering Perl/Tk)
menu indexes and: 12.1.2. Menu Indexes (Mastering Perl/Tk)
menu item definition and: 12.2.2. Menubars the Slick, Sophisticated, New-Fashioned Way (Mastering Perl/Tk)
Menubutton widget: 21.14.1. Menu Item Options (Perl in a Nutshell)
Scale widget: 21.13. The Scale Widget (Perl in a Nutshell)
Scale widgets and: 10.1. Creating a Scale (Mastering Perl/Tk)
10.6. Adding a Label (Mastering Perl/Tk)
tilde and: 12.2.2. Menubars the Slick, Sophisticated, New-Fashioned Way (Mastering Perl/Tk)
Label widget
-bitmap option for: 4.5. Displaying an Image or Bitmap (Mastering Perl/Tk)
adding: 10.6. Adding a Label (Mastering Perl/Tk)
features: 5.1. The Label Widget (Mastering Perl/Tk)
Label widget (Perl/Tk): 21.7. The Label Widget (Perl in a Nutshell)
label_exists( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
-labelPack option (Frame): 21.17. The Frame Widget (Perl in a Nutshell)
labels: 10.8.4. Labeled Blocks (Learning Perl)
4.2. Compound Statements (Programming Perl)
4.4.4. Loop Control (Programming Perl)
Glossary (Programming Perl)
with goto statement: 4.6. goto (Programming Perl)
29.2.71. goto (Programming Perl)
loops: 4.3.1.5. Loop control (Perl in a Nutshell)
loops and: Glossary (Programming Perl)
menu: 15.14.3. Discussion (Perl Cookbook)
names for: 2.5. Names (Programming Perl)
option menus and: 12.6. Option Menus (Mastering Perl/Tk)
packages and: 10. Packages (Programming Perl) 4.3. Statements (Perl in a Nutshell)
-labelVariable option (Frame): 21.17. The Frame Widget (Perl in a Nutshell)
LabEntry widget: 5.1.2. Label Options (Mastering Perl/Tk)
LabFrame widget: 23.7. The LabFrame Widget (Mastering Perl/Tk)
Lam, Ioi: 1.2.3. The Evolution of Perl/Tk (Mastering Perl/Tk)
18. A Tk Interface Extension Tour (Mastering Perl/Tk)
language extensions, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
languages
checking characters for: 5.4.3.3. Unicode block properties (Programming Perl)
natural vs. artificial: 1.2. Natural and Artificial Languages (Programming Perl)
translating: 24.5.2. Generating Perl in Other Languages (Programming Perl)
large numbers: B.9.3. Large and High-Precision Numbers (Learning Perl)
Larry (see Wall, Larry)
last( ): 5. Function Reference (Perl in a Nutshell)
24.3. Programming with Style (Programming Perl)
4.12.2. Solution (Perl Cookbook)
4.3.1.5. Loop control (Perl in a Nutshell)
do {} while construct, not taking: 24.1.3. C Traps (Programming Perl)
Net::NNTP module: 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
Net::POP3 module: 16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
last found occurrence of a substring, rindex function for: 15.1. Finding a Substring with index (Learning Perl)
last-in, first-out (LIFO): 3.1.1. Example (of What Not to Do): A Well-Formedness Checker (Perl & XML)
last index (Menu widget): 21.15.1. Menu Indexes (Perl in a Nutshell)
last keyword, menu indexes and: 12.1.2. Menu Indexes (Mastering Perl/Tk)
last operator: 10.8.1. The last Operator (Learning Perl)
1.6.2.4. Breaking out: next and last (Programming Perl)
4.4.2. for Loops (Programming Perl)
4.4.4. Loop Control (Programming Perl)
4.4.4. Loop Control (Programming Perl)
4.5.1. Case Structures (Programming Perl)
24.2.1. Time Efficiency (Programming Perl)
29.2.81. last (Programming Perl)
used in a do while: 4.5. Bare Blocks (Programming Perl)
lastChild property for Node class (DOM): 7.2.4.1. Properties (Perl & XML)
LastError( ) (Win32::OLE): 23.2.1. Win32::OLE Methods (Perl in a Nutshell)
last_labeled_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
last_message( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
laston program: 8.20. Program: laston (Perl Cookbook)
$LAST_PAREN_MATCH: 28.2. Special Variables in Alphabetical Order (Programming Perl)
$LAST_PAREN_MATCH ($+) variable: 4.4.5. Regular Expression Special Variables (Perl in a Nutshell)
LaTeX, translating pod to: 4.13.3. Pod Utilities (Perl in a Nutshell)
laziness: Glossary (Programming Perl)
lc( ): 5. Function Reference (Perl in a Nutshell)
1.9.2. Solution (Perl Cookbook)
29.2.82. lc (Programming Perl)
LCD (Liquid Crystal Display) widget (see Tk\\LCD widget)
lcfirst( ): 5. Function Reference (Perl in a Nutshell)
1.9.2. Solution (Perl Cookbook)
29.2.83. lcfirst (Programming Perl)
LDAP (Lightweight Directory Access Protocol): 19. Lightweight Directory Access with Net::LDAP (Perl in a Nutshell)
Net::LDAP, searching with: 19.2. Searching an LDAP Directory with Net::LDAP (Perl in a Nutshell)
LDAPm (Lightweight Directory Access Protocol)
data structure: 19.1. How Data Is Stored in LDAP (Perl in a Nutshell)
LDIF (LDAP Directory Interchange Format): 19.1. How Data Is Stored in LDAP (Perl in a Nutshell)
le (less-than-or-equal) operator: 4.5.4.1. Relational operators (Perl in a Nutshell)
leading whitespace, removing: 1.14.1. Problem (Perl Cookbook)
leading zero: 2.2.4. Nondecimal Integer Literals (Learning Perl)
Leave event: 15.2.1.2. Event descriptor types (Mastering Perl/Tk)
left justification: 7.1. Format Variables (Programming Perl)
-left option: 2.4.1. Options for form (Mastering Perl/Tk)
2.4.2.1. Attaching to the grid (Mastering Perl/Tk)
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
left-shift (<<) operator: 3.9. Shift Operators (Programming Perl)
leftmost longest matching: 5.5. Quantifiers (Programming Perl)
Glossary (Programming Perl)
-leftspring option: 2.4.1. Options for form (Mastering Perl/Tk)
form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
length( ): 5. Function Reference (Perl in a Nutshell)
16.3. Fixed-length Random-access Databases (Learning Perl)
29.2.84. length (Programming Perl)
byte-oriented wrapper for: 15.2. Effects of Character Semantics (Programming Perl)
LENGTH (awk variable): 28.2. Special Variables in Alphabetical Order (Programming Perl)
length, matching: 5.5. Quantifiers (Programming Perl)
-length option (Scale): 21.13. The Scale Widget (Perl in a Nutshell)
length property
CharacterData class (DOM): 7.2.7.1. Properties (Perl & XML)
NameNodeMap class (DOM): 7.2.6.1. Properties (Perl & XML)
NodeList class (DOM): 7.2.5.1. Properties (Perl & XML)
less module: 8.138. less (Perl in a Nutshell)
32.1.13. Perl Language Extensions and Internals (Programming Perl)
less-than (<, lt) operators: 4.5.4.1. Relational operators (Perl in a Nutshell)
less than (<) operator: 3.11. Relational Operators (Programming Perl)
less-than-or-equal (<, le) operators: 4.5.4.1. Relational operators (Perl in a Nutshell)
less than or equal (<=) operator: 3.11. Relational Operators (Programming Perl)
less-than sign (<) for opening files: 11.2. Opening a Filehandle (Learning Perl)
left angle bracket (<)
in debugger commands: 20.2.6. Actions and Command Execution (Programming Perl)
for filename globbing: 2.11.3. Filename Globbing Operator (Programming Perl)
in filenames: 29.2.104. open (Programming Perl)
<=> (comparison) operator: 1.5.6. Some Numeric and String Comparison Operators (Programming Perl)
29.2.159. sort (Programming Perl)
<< for here documents: 2.6.6. "Here" Documents (Programming Perl)
<<= (assignment) operator: 3.17. Assignment Operators (Programming Perl)
less than operator: 3.11. Relational Operators (Programming Perl)
<= (less than or equal) operator: 1.5.6. Some Numeric and String Comparison Operators (Programming Perl)
3.11. Relational Operators (Programming Perl)
for line input: 2.11.2. Line Input (Angle) Operator (Programming Perl)
lexer: 18.2. Compiling Your Code (Programming Perl)
Glossary (Programming Perl)
lexical analysis: 21.1. How Perl Works (Programming Perl)
Glossary (Programming Perl)
in the Perl compiler: 18.2. Compiling Your Code (Programming Perl)
lexical handlers: 5.7.2. SAX2 Handler Interface (Perl & XML)
5.7.2.3. Lexical event handlers (Perl & XML)
lexical scope: 10.2.3. Discussion (Perl Cookbook)
10.13.3.3. Using local( ) on parts of aggregates (Perl Cookbook)
4.8.2. Lexically Scoped Variables: my (Programming Perl)
pragmas and: 4.9. Pragmas (Programming Perl)
lexical scopes: 2.5. Names (Programming Perl)
Glossary (Programming Perl)
package variables, searching for: 2.5.1. Name Lookups (Programming Perl)
variables attached to: 2.5. Names (Programming Perl)
lexical scoping: 4.2.7. Declarations and Scope (Perl in a Nutshell)
4.7.4. Private and Local Variables (Perl in a Nutshell)
lexical variables: 4.6. Private Variables in Subroutines (Learning Perl)
4.9. Notes on Lexical (my) Variables (Learning Perl)
7. Formats (Programming Perl)
29.2.99. my (Programming Perl)
Glossary (Programming Perl)
accessing from functions: 6.2.3. Scoping Issues (Programming Perl)
closures and: 15.1.1. Callbacks and Closures (Mastering Perl/Tk)
file-scoped, storing anonymous subroutine in: 12.5.5. Private Methods (Programming Perl)
in functions or files, showing: 32.1.19. Perl Compiler and Code Generator (Programming Perl)
persistence across function calls: 6.2.3. Scoping Issues (Programming Perl)
recursive lexical pad stack: 18.3. Executing Your Code (Programming Perl)
symbolic references and: 8.4. Symbolic References (Programming Perl)
threads, accessing in: 17.2.2. Data Access (Programming Perl)
typed: Glossary (Programming Perl)
lexical warnings: 2.4. Perl's Built-in Warnings (Learning Perl)
32.1.15. Warnings and Exceptions (Programming Perl)
${^WARNING_BITS}: 28.2. Special Variables in Alphabetical Order (Programming Perl)
lexically scoped declarations: 4.8. Scoped Declarations (Programming Perl)
lexicals: 4.8.1. Scoped Variable Declarations (Programming Perl)
(see also lexical scope)
li elements: 9.1. Introduction to Trees (Perl & LWP)
lib module: 8.139. lib (Perl in a Nutshell)
32.1.17. Module Installation Support (Programming Perl)
lib pragma: B.6.3. The lib Pragma (Learning Perl)
11.1. Using Modules (Programming Perl)
lib-win32 library: 22. Win32 Modules and Extensions (Perl in a Nutshell)
lib-www-perl file: 20. The LWP Library (Perl in a Nutshell)
libnet modules: 16. Email Connectivity (Perl in a Nutshell)
libraries: 12.0.3. Other Kinds of Library Files (Perl Cookbook)
B.4.1. Libraries (Learning Perl)
Glossary (Programming Perl)
C/C++, loading as Perl extensions: 32.1.17. Module Installation Support (Programming Perl)
32.1.17. Module Installation Support (Programming Perl)
ExtUtils::Liblist module: 32.1.17. Module Installation Support (Programming Perl)
math library, C: 21.3.4. Using Functions from an External C Library (Programming Perl)
Perl, installing modules into: 22.2.3. Installing CPAN Modules into the Perl Library (Programming Perl)
Perl library files, searching for: 19.2. Environment Variables (Programming Perl)
uninstalled extensions from MakeMaker: 32.1.17. Module Installation Support (Programming Perl)
library modules, functions for: 5.1. Perl Functions by Category (Perl in a Nutshell)
libwww-perl modules: 20.0. Introduction (Perl Cookbook)
libwww-perl project: 1.2. History of LWP (Perl & LWP)
libxml2: 3.5. XML::LibXML (Perl & XML)
5.7.1. XML::SAX::ParserFactory (Perl & XML)
LibXML library: 7.4. XML::LibXML (Perl & XML)
license plate example: 5.5. POST Example: License Plates (Perl & LWP)
licenses for Perl: 1.3. How Can I Get Perl? (Learning Perl)
embedding code snippets and: B.24. Embedding (Learning Perl)
life cycle, Perl programs: 18.1. The Life Cycle of a Perl Program (Programming Perl)
code generation phase: 18.1. The Life Cycle of a Perl Program (Programming Perl)
compilation phase: 18.1. The Life Cycle of a Perl Program (Programming Perl)
execution phase: 18.1. The Life Cycle of a Perl Program (Programming Perl)
parse tree reconstruction: 18.1. The Life Cycle of a Perl Program (Programming Perl)
LIFO (last-in, first-out): 3.1.1. Example (of What Not to Do): A Well-Formedness Checker (Perl & XML)
__LINE__; setting: 24.5.2. Generating Perl in Other Languages (Programming Perl)
line breaks
counting lines in files: 8.2.1. Problem (Perl Cookbook)
defining lines: 8.11.3. Discussion (Perl Cookbook)
deleting last file line: 8.10.1. Problem (Perl Cookbook)
extracting ranges of lines: 6.8.1. Problem (Perl Cookbook)
matching across multiple lines: 6.6.1. Problem (Perl Cookbook)
random lines from files: 8.6.1. Problem (Perl Cookbook)
randomizing file line order: 8.7.1. Problem (Perl Cookbook)
reading files backwards: 8.4.1. Problem (Perl Cookbook)
reading with continuation characters: 8.1.1. Problem (Perl Cookbook)
_ _LINE_ _ constant: 4.4.4. Global Special Constants (Perl in a Nutshell)
line counter (see $. variable)
line-end processing, automatic: 19.1.3. Switches (Programming Perl)
LINE: (implicit loop label): 7.7.3.2. Command-line options (Perl Cookbook)
line-input <...> operator: 4.9. Filehandles (Perl in a Nutshell)
line-input operators: 2.8. Getting User Input (Learning Perl)
2.8. Getting User Input (Learning Perl)
6.2. Input from the Diamond Operator (Learning Perl)
11.4. Using Filehandles (Learning Perl)
line mode interfaces: 15.0. Introduction (Perl Cookbook)
line number: 2.6.8. Other Literal Tokens (Programming Perl)
Glossary (Programming Perl)
die function and: 11.3. Fatal Errors with die (Learning Perl)
of input file: 28.2. Special Variables in Alphabetical Order (Programming Perl)
of input file: 28.2. Special Variables in Alphabetical Order (Programming Perl)
warn function and: 11.3.1. Warning Messages with warn (Learning Perl)
line-oriented quoting: 2.6.6. "Here" Documents (Programming Perl)
line reading operator: 1.4. Filehandles (Programming Perl)
line separator character: 2.2. Molecules (Programming Perl)
line spacing, Text widgets and: 8.2.4. Line Spacing (Mastering Perl/Tk)
__LINE__ symbol: 10.4.3. Discussion (Perl Cookbook)
line terminators, Internet programs: 16.5.2. Networking Servers (Programming Perl)
__LINE__ token: 2.6.8. Other Literal Tokens (Programming Perl)
lineend, as index modifier: 8.4.2. Index Modifiers (Mastering Perl/Tk)
LineInfo option (debugger): 20.3.3. Debugger Options (Programming Perl)
LineInfo option (PERLDB_OPTS): 6.4. Customizing the Debugger (Perl in a Nutshell)
lines: Glossary (Programming Perl)
boundary assertions: 5.6.1. Beginnings: The \A and ^ Assertions (Programming Perl)
Canvas widgets and: 9. The Canvas Widget (Mastering Perl/Tk)
creating: 9.6.4. The Line Item (Mastering Perl/Tk)
getting information: 8.13. Getting Line Information (Mastering Perl/Tk)
@lines array variable: 1.5. A Whirlwind Tour of Perl (Learning Perl)
linestart, lineend modifiers (Text widget): 21.11.1. Text Indexes and Modifiers (Perl in a Nutshell)
linestart modifier: 8.4.2. Index Modifiers (Mastering Perl/Tk)
19.3.1. Creating the Hypertext User Interface (Mastering Perl/Tk)
Lingua::EN::Inflect module: 2.18.2. Solution (Perl Cookbook)
link( ): 5. Function Reference (Perl in a Nutshell)
13.3. Links and Files (Learning Perl)
29.2.85. link (Programming Perl)
link-checking spider example: 12.3. Example: A Link-Checking Spider (Perl & LWP)
link count: 13.3. Links and Files (Learning Perl)
links: 9.0. Introduction (Perl Cookbook)
13.3. Links and Files (Learning Perl)
29.2.123. readlink (Programming Perl)
Glossary (Programming Perl)
extracting
from bookmark files: 6.5. Example: Extracting Linksfrom a Bookmark File (Perl & LWP)
from remote files: 6.6. Example: Extracting Linksfrom Arbitrary HTML (Perl & LWP)
link-checking spider example: 12.3.5. Link Extraction (Perl & LWP)
extracting from HTML: 20.3. Extracting URLs (Perl Cookbook)
HTTP, searching for: 1.7. Regular Expressions (Programming Perl)
number of ($nlink): 11.6.1. The stat and lstat Functions (Learning Perl)
Weather Underground web site, extracting: 6.7. Example: Extracting Temperatures from Weather Underground (Perl & LWP)
Lint backend (Perl compiler): 3.4. The Perl Compiler (Perl in a Nutshell)
lint (C program verifier): 18.6. Code Development Tools (Programming Perl)
Linux, installing Perl and: 2.3.1. Installing on Unix (Perl in a Nutshell)
Linux, MESA graphics library and: 15.9.2. Flying the Enterprise (Mastering Perl/Tk)
List( ): 4.5. Operators (Perl in a Nutshell)
3. Unary and Binary Operators (Programming Perl)
3.1. Terms and List Operators (Leftward) (Programming Perl)
3.19. List Operators (Rightward) (Programming Perl)
Glossary (Programming Perl)
current thread objects in process: 17.2.1.6. Listing current threads (Programming Perl)
unary operators, distinguishing from: 3.10. Named Unary and File Test Operators (Programming Perl)
Win32::Internet module: 22.7.2. FTP Functions (Perl in a Nutshell)
list active command (NNTP): 17.1. The NNTP Protocol (Perl in a Nutshell)
list assignment: 1.3.2. Solution (Perl Cookbook)
list context: 3.8. Scalar and List Context (Learning Perl)
4.2.6. Scalar and List Contexts (Perl in a Nutshell)
1.8. List Processing (Programming Perl)
2.7.1. Scalar and List Context (Programming Perl)
Glossary (Programming Perl)
Glossary (Programming Perl)
angle operator in: 2.11.2. Line Input (Angle) Operator (Programming Perl)
backslash operator, supplying: 8.3.6. Other Tricks You Can Do with Hard References (Programming Perl)
comma operator in: 3.18. Comma Operators (Programming Perl)
conditional operator in: 3.16. Conditional Operator (Programming Perl)
evaluating expressions in (debugger): 20.2.4. Display (Programming Perl)
expressions in (see LISTs)
forcing scalar context instead: 29.2.137. scalar (Programming Perl)
foreach statements, providing: 1.6.2.3. The foreach statement (Programming Perl)
functions in: 29. Functions (Programming Perl)
hash variables, using in: 2.9. Hashes (Programming Perl)
hashes in: 1.2.1.2.2. Hashes. (Programming Perl)
list assignment in: 3.17. Assignment Operators (Programming Perl)
lvalues in: 4.8.1. Scoped Variable Declarations (Programming Perl)
m// (match) operator in: 5.2.2. The m// Operator (Matching) (Programming Perl)
m//g, listing all matches found: 5.2.2. The m// Operator (Matching) (Programming Perl)
operations behaving differently in: 24.1.2. Frequently Ignored Advice (Programming Perl)
range (..) operator in: 3.15. Range Operator (Programming Perl)
recognizing in debugger: 20.1. Using the Debugger (Programming Perl)
return values and: 4.4. Return Values (Learning Perl)
subroutines, calling and evaluating in: 6.2. Semantics (Programming Perl)
using backquotes in: 14.4.1. Using Backquotes in a List Context (Learning Perl)
list context, detecting: 10.6.1. Problem (Perl Cookbook)
list literals: 3.3. List Literals (Learning Perl)
list prototype symbol (@): 4.7.5. Prototypes (Perl in a Nutshell)
list values
arrays and: 2.8. List Values and Arrays (Programming Perl)
arrays vs.: 2.8. List Values and Arrays (Programming Perl)
list_all_labels( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
Listbox widget (see Tk\\NavListbox also Tk\\NavListbox)
(see also Tk\\NavListbox)
-fill option and: 2.1.4. Filling the Allocation Rectangle (Mastering Perl/Tk)
arrows and units: 6.1. Defining Scrollbar Parts (Mastering Perl/Tk)
colors: 7.2. Listbox Options (Mastering Perl/Tk)
features: 7. The Listbox Widget (Mastering Perl/Tk)
HList widgets and: 18.4. The HList Family of Widgets (Mastering Perl/Tk)
Scrollbars and: 6.1. Defining Scrollbar Parts (Mastering Perl/Tk)
6.3.1. Creating a Scrollbar Widget (Mastering Perl/Tk)
6.4.2. Listbox, Text, and Canvas Widgets (Mastering Perl/Tk)
TList widgets and: 18. A Tk Interface Extension Tour (Mastering Perl/Tk)
Listbox widget (Perl/Tk): 21.10. The Listbox Widget (Perl in a Nutshell)
ListboxSelect virtual event: 7.18. Listbox Virtual Events (Mastering Perl/Tk)
listen( ): 5. Function Reference (Perl in a Nutshell)
17.0. Introduction (Perl Cookbook)
29.2.86. listen (Programming Perl)
Socket module: 15.1. Built-in Socket Functions (Perl in a Nutshell)
15.1.3. Server Connections (Perl in a Nutshell)
Listen option: 19.1.2. The Media Change Server, mediachanged (Mastering Perl/Tk)
19.5.1. The Forking Server (Mastering Perl/Tk)
IO::Socket::INET module: 15.2.4. IO::Socket::INET Reference (Perl in a Nutshell)
IO::Socket::UNIX module: 15.2.5. IO::Socket::UNIX Reference (Perl in a Nutshell)
listgroup( ) (Net::NNTP): 17.2.2. Net::NNTP Reference (Perl in a Nutshell)
listing code: 20.2.5. Locating Code (Programming Perl)
list_labels( ) (Mail::Folder): 16.2.3. Handle Folders with Mail::Folder (Perl in a Nutshell)
LISTs: 1.8. List Processing (Programming Perl)
4.2. Compound Statements (Programming Perl)
$LIST_SEPARATOR: 28.2. Special Variables in Alphabetical Order (Programming Perl)
$LIST_SEPARATOR ($") variable: 4.4.1. Global Special Variables (Perl in a Nutshell)
LISTs===>lists: 1.8. List Processing (Programming Perl)
List::Util module: 8.140. List::Util (Perl in a Nutshell)
literal strings (see string literals)
literals: 2.2.2. Floating-Point Literals (Learning Perl)
5.1. The Regular Expression Bestiary (Programming Perl)
Glossary (Programming Perl)
numeric (see numeric literals)
pseudoliterals (see input operators)
string (see string literals)
UTF-8, enabling use in: 15.2. Effects of Character Semantics (Programming Perl)
literals, HTML::Element: 10.5.1. Literals (Perl & LWP)
little arrow (->): 5.2.3. The Big Arrow (Learning Perl)
in method names: 13.8.3. The File::Spec Module (Learning Perl)
little-endian: 25.2. Endianness and Number Width (Programming Perl)
Glossary (Programming Perl)
Llama book: 1. Introduction (Learning Perl)
1.3.3. Are There Any Other Kinds of Support? (Learning Perl)
.lnk files: 22.18. Win32::Shortcut (Perl in a Nutshell)
Load( )
Win32::OLE::Const module: 23.5. Win32::OLE::Const (Perl in a Nutshell)
Win32::Registry module: 22.15.1. Win32::Registry Methods (Perl in a Nutshell)
Win32::Shortcut module: 22.18. Win32::Shortcut (Perl in a Nutshell)
Load method: 8.16.1. Setting and Getting the Gravity (Mastering Perl/Tk)
loader program (example): 15.17.2. Solution (Perl Cookbook)
loading data structures: 9.6.3. Generation of a Hash of Complex Records (Programming Perl)
loading functions
AutoLoader module: 8.5. AutoLoader (Perl in a Nutshell)
DynaLoader module: 8.61. DynaLoader (Perl in a Nutshell)
SelfLoader module: 8.184. SelfLoader (Perl in a Nutshell)
loading modules (see modules)
local( ): 5. Function Reference (Perl in a Nutshell)
10.13.1. Problem (Perl Cookbook)
10.14.1. Problem (Perl Cookbook)
16.16.2. Solution (Perl Cookbook)
4.8.1. Scoped Variable Declarations (Programming Perl)
4.8.2. Lexically Scoped Variables: my (Programming Perl)
29.2.87. local (Programming Perl)
common programming errors with: 24.1.1. Universal Blunders (Programming Perl)
my declaration, using instead of: 24.1.2. Frequently Ignored Advice (Programming Perl)
signals, and: 4.10. Signals (Perl in a Nutshell)
local declaration: 29.2.87. local (Programming Perl)
local operator: 4.7. The local Operator (Learning Perl)
global variables, using on: 4.8.4. Dynamically Scoped Variables: local (Programming Perl)
Local option (IO::Socket::UNIX): 15.2.5. IO::Socket::UNIX Reference (Perl in a Nutshell)
local variables: 4.2.7. Declarations and Scope (Perl in a Nutshell)
4.7.4. Private and Local Variables (Perl in a Nutshell)
LocalAddr option (IO::Socket::INET): 15.2.4. IO::Socket::INET Reference (Perl in a Nutshell)
locale, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
locale module: 8.141. locale (Perl in a Nutshell)
32.1.6. Internationalization and Locale (Programming Perl)
locale settings: 6.12.1. Problem (Perl Cookbook)
locales: B.30. Locales and Unicode (Learning Perl)
decimal points in formats: 7. Formats (Programming Perl)
declarations, string comparisons and: 3.11. Relational Operators (Programming Perl)
modules for: 32.1.6. Internationalization and Locale (Programming Perl)
Perl character class shortcuts and: 5.4.2. Classic Perl Character Class Shortcuts (Programming Perl)
Unicode and: 29.2.82. lc (Programming Perl)
use locale pragma with POSIX character classes: 5.4.4. POSIX-Style Character Classes (Programming Perl)
localization: 22.1. The CPAN modules Directory (Programming Perl)
(see also locale)
localized values, saving: 18.3. Executing Your Code (Programming Perl)
localizing functions: 10.14.1. Problem (Perl Cookbook)
LocalPort option (IO::Socket::INET): 15.2.4. IO::Socket::INET Reference (Perl in a Nutshell)
localtime( ): 5. Function Reference (Perl in a Nutshell)
3.0. Introduction (Perl Cookbook)
3.8.2. Solution (Perl Cookbook)
11.6.2. The localtime Function (Learning Perl)
29.2.88. localtime (Programming Perl)
32.1.1. Data Types (Programming Perl)
32.1.7. Operating System Interfaces (Programming Perl)
text databases and: 16.4. Variable-length (Text) Databases (Learning Perl)
location paths in XPath expressions: 8.2. XPath (Perl & XML)
locators in XPath: 8.2. XPath (Perl & XML)
lock function
data access control in threads: 17.2.2.1. Synchronizing access with lock (Programming Perl)
reference as argument for: 8.1. What Is a Reference? (Programming Perl)
lockarea program: 7.22. Program: lockarea (Perl Cookbook)
locked attribute: 8.3. attributes (Perl in a Nutshell)
12.7.6. New Tricks (Programming Perl)
locked attribute, subroutines: 17.2.2.4. The locked attribute (Programming Perl)
LockFile module: 19.5.3. Locking an SDB File (Mastering Perl/Tk)
locking: 29.2.89. lock (Programming Perl)
blocking signals: 16.20.1. Problem (Perl Cookbook)
DBK files: 14.5.1. Problem (Perl Cookbook)
files: 7.11.1. Problem (Perl Cookbook)
region-specific locks: 7.22. Program: lockarea (Perl Cookbook)
locking files: 7.21. Program: netlock (Perl Cookbook)
16.2.1. File Locking (Programming Perl)
DBM files: 16.2.1. File Locking (Programming Perl)
29.2.22. dbmopen (Programming Perl)
dissolving locks by closing files: 16.2.1. File Locking (Programming Perl)
flock function: 29.2.39. flock (Programming Perl)
shared and exclusive locks: 16.2.1. File Locking (Programming Perl)
locking methods: 17.2.2.5. Locking methods (Programming Perl)
locking SDB files: 19.5.3. Locking an SDB File (Mastering Perl/Tk)
locking subroutines: 17.2.2.3. Locking subroutines (Programming Perl)
log( ): 5. Function Reference (Perl in a Nutshell)
29.2.90. log (Programming Perl)
log10( ): 2.13.2. Solution (Perl Cookbook)
log files, filehandles and: 11.2. Opening a Filehandle (Learning Perl)
11.4.1. Changing the Default Output Filehandle (Learning Perl)
log files (web server): 19.0.2. Behind the Scenes (Perl Cookbook)
20.12.1. Problem (Perl Cookbook)
processing: 20.13.1. Problem (Perl Cookbook)
-log option (perlcc): 3.4. The Perl Compiler (Perl in a Nutshell)
logarithm: B.9.1. Advanced Math Functions (Learning Perl)
29.2.90. log (Programming Perl)
logarithms: 2.13.1. Problem (Perl Cookbook)
log_base( ) (example): 2.13.3. Discussion (Perl Cookbook)
LOGDIR variable: 3.3. Environment Variables (Perl in a Nutshell)
19.2. Environment Variables (Programming Perl)
LogDriver directory, installing parsers: 5.7.5. Installing Your Own Parser (Perl & XML)
Logfile::Apache: 20.13.3. Discussion (Perl Cookbook)
logfiles, Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
logical
AND (&&) operator: 3.14. C-Style Logical (Short-Circuit) Operators (Programming Perl)
negation (!) operator: 3.5. Ideographic Unary Operators (Programming Perl)
operators: 3.14. C-Style Logical (Short-Circuit) Operators (Programming Perl)
3.20. Logical and, or, not, and xor (Programming Perl)
OR (||) operator: 3.14. C-Style Logical (Short-Circuit) Operators (Programming Perl)
separation, parent and child processes: 17.1. The Process Model (Programming Perl)
logical functionality in patterns: 6.17.1. Problem (Perl Cookbook)
logical operators: 10.9. Logical Operators (Learning Perl)
4.5.9. Logical Operators (Perl in a Nutshell)
1.5.5. Logical Operators (Programming Perl)
Glossary (Programming Perl)
or operator
use with list operators: 4.7. Global Declarations (Programming Perl)
overloading: 13.3. Overloadable Operators (Programming Perl)
Perl, doing alternation: 5.9.1. Letting Perl Do the Work (Programming Perl)
precedence of: 12.3.3. Syntactic Snafus with Indirect Objects (Programming Perl)
login( )
Net::FTP module: 18.2. Net::FTP (Perl in a Nutshell)
Net::Netrc module: 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
Net::POP3 module: 16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
16.1.3. Retrieving Email with Net::POP3 (Perl in a Nutshell)
login entries (.netrc): 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
login names
functions dealing with: 29.1. Perl Functions by Category (Programming Perl)
getgrent function: 29.2.44. getgrent (Programming Perl)
getgrgid function, returning: 29.2.45. getgrgid (Programming Perl)
getgrnam function, returning: 29.2.46. getgrnam (Programming Perl)
getlogin function for: 29.2.50. getlogin (Programming Perl)
login sessions: 15.0. Introduction (Perl Cookbook)
logn( ) (Math::Complex): 2.13.3. Discussion (Perl Cookbook)
long longs: 29.2.108. pack (Programming Perl)
longs: 29.2.108. pack (Programming Perl)
look command (CPAN.pm): 2.4.4. Installing Modules with the CPAN Module (Perl in a Nutshell)
lookahead: 5.10.1. Lookaround Assertions (Programming Perl)
Glossary (Programming Perl)
lookaround: 5.10.1. Lookaround Assertions (Programming Perl)
lookbehind: 5.10.1. Lookaround Assertions (Programming Perl)
Glossary (Programming Perl)
look_down( ) method: 10.2. Deleting Images (Perl & LWP)
lookup( ) (Net::Netrc): 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
loop blocks: 10.8.1. The last Operator (Learning Perl)
10.8.2. The next Operator (Learning Perl)
labels for: 10.8.4. Labeled Blocks (Learning Perl)
loop controls: 10.8. Loop Controls (Learning Perl)
loop variables: 4.4.3. Discussion (Perl Cookbook)
loops: 2.10. The while Control Structure (Learning Perl)
4.3.1. Conditionals and Loops (Perl in a Nutshell)
1.6.2. Iterative (Looping) Constructs (Programming Perl)
4.4. Loop Statements (Programming Perl)
24.1.1. Universal Blunders (Programming Perl)
24.3. Programming with Style (Programming Perl)
Glossary (Programming Perl) 4.4.4. Loop Control (Programming Perl)
control statements in: Glossary (Programming Perl)
endless, stopping: 2.10. The while Control Structure (Learning Perl)
eval function within: 24.2.1. Time Efficiency (Programming Perl)
extracting slices, multidimensional arrays: 9.1.4. Slices (Programming Perl)
for loops: 1.6.2.2. The for statement (Programming Perl)
foreach loops: 1.6.2.3. The foreach statement (Programming Perl)
\G assertion, using in: 5.6.5. Where You Left Off: The \G Assertion (Programming Perl)
infinite: 4.4.2. for Loops (Programming Perl)
iteration through: 4.4.2. for Loops (Programming Perl)
Glossary (Programming Perl)
labels for: 4.4.4. Loop Control (Programming Perl)
Glossary (Programming Perl)
last operator: 4.4.2. for Loops (Programming Perl)
29.2.81. last (Programming Perl)
next and last operators: 1.6.2.4. Breaking out: next and last (Programming Perl)
next operator: 29.2.101. next (Programming Perl)
redo operator and: 29.2.126. redo (Programming Perl)
reset function and: 29.2.130. reset (Programming Perl)
s/// (substitution) operator, using on arrays: 5.2.3.1. Modifying strings en passant (Programming Perl)
using for: 4.4.2. for Loops (Programming Perl)
using in (global substitutions): 5.2.3.2. When a global substitution just isn't global enough (Programming Perl)
using until: 4.4.1. while and until Statements (Programming Perl)
using while: 4.4.1. while and until Statements (Programming Perl)
while loops: 1.6.2.1. The while and until statements (Programming Perl)
loops, checking XML markup objects: 3.1.1. Example (of What Not to Do): A Well-Formedness Checker (Perl & XML)
loops, if statements and: 7.3. Individual Tokens (Perl & LWP)
Lorie, Raymond: 2.1. A Brief History of XML (Perl & XML)
low-level programming languages: 1.2.1. Why Didn't Larry Just Use Some Other Language? (Learning Perl)
low-level socket access functions: 5.1. Perl Functions by Category (Perl in a Nutshell)
lower( ) (Canvas): 21.12.3. Canvas Methods (Perl in a Nutshell)
lower method: 9.5.3. Canvas Widget Option List (Mastering Perl/Tk)
13.19. Widget Mapping and Layering (Mastering Perl/Tk)
lowercase
case shifting and: 9.6.5. Case Shifting (Learning Perl)
vs. capitalization in variable names: 2.5.1. Choosing Good Variable Names (Learning Perl)
lowercase, converting to: 2.6.2. String Literals (Programming Perl)
lowercase, converting to uppercase: 1.9.1. Problem (Perl Cookbook)
lowercase program (example): 7.7.3.2. Command-line options (Perl Cookbook)
-lp option, form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
lpa( ) (Net::Netrc): 18.3. FTP Configuration with Net::Netrc (Perl in a Nutshell)
lport manpage, function portability information: 29.2. Perl Functions in Alphabetical Order (Programming Perl)
ls( ) (Net::FTP): 18.2. Net::FTP (Perl in a Nutshell)
-ls option, form geometry manager: 21.2.4. The form Geometry Manager (Perl in a Nutshell)
lsearch subroutine: 23.1.3. Optionally Exported Symbols (Mastering Perl/Tk)
lst program: 9.12. Program: lst (Perl Cookbook)
lstat( ): 5. Function Reference (Perl in a Nutshell)
11.6.1. The stat and lstat Functions (Learning Perl)
29.2.91. lstat (Programming Perl)
29.2.91. lstat (Programming Perl)
32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)
underscore filehandle and: 11.6.5. Using the Special Underscore Filehandle (Learning Perl)
lt (less-than) operator: 4.5.4.1. Relational operators (Perl in a Nutshell)
less-than sign: (<)11.2. Opening a Filehandle (Learning Perl)
lvaluable functions 1.1.3. Discussion (Perl Cookbook)
lvalue: 2.3. Built-in Data Types (Programming Perl)
lvalue attribute: 8.3. attributes (Perl in a Nutshell)
lvalues: 2.4. Variables (Programming Perl)
Glossary (Programming Perl)
assignment operators and: 3.17. Assignment Operators (Programming Perl)
lvalue attribute, subroutines: 6.5. Subroutine Attributes (Programming Perl)
6.5.2. The lvalue Attribute (Programming Perl)
methods, declaring to indicate return of: 12.7.6. New Tricks (Programming Perl)
modifiers and: 4.8.1. Scoped Variable Declarations (Programming Perl)
operators and: 1.5.3. Assignment Operators (Programming Perl)
pattern-matching operators, use on: 5.2. Pattern-Matching Operators (Programming Perl)
LWP
distributions: 1.3.2.1. Download distributions (Perl & LWP)
Google search: 1.2. History of LWP (Perl & LWP)
history of: 1.2. History of LWP (Perl & LWP)
installation: 1.3. Installing LWP (Perl & LWP)
CPAN shell: 1.3.1. Installing LWP from the CPAN Shell (Perl & LWP)
manual: 1.3.2. Installing LWP Manually (Perl & LWP)
sample code: 1.5. LWP in Action (Perl & LWP)
LWP class model, basic classes: 3.1. The Basic Classes (Perl & LWP)
LWP (library for web access in Perl): 20. The LWP Library (Perl in a Nutshell)
HTML modules: 20.4. The HTML Modules (Perl in a Nutshell)
HTML::Element: 20.4.3. HTML::Element (Perl in a Nutshell)
HTML::FormatPS: 20.4.5. HTML::FormatPS (Perl in a Nutshell)
HTML::FormatText: 20.4.6. HTML::FormatText (Perl in a Nutshell)
HTML::Parser: 20.4. The HTML Modules (Perl in a Nutshell)
20.4.1. HTML::Parser (Perl in a Nutshell)
HTML::TreeBuilder: 20.4.4. HTML::TreeBuilder (Perl in a Nutshell)
HTTP modules
HTTP::Cookies: 20.3.6. HTTP::Cookies (Perl in a Nutshell)
HTTP::Cookies::Netscape: 20.3.6.1. HTTP::Cookies::Netscape (Perl in a Nutshell)
HTTP::Daemon: 20.3.7. HTTP::Daemon (Perl in a Nutshell)
HTTP::Daemon::ClientConn: 20.3.7.1. HTTP::Daemon::ClientConn methods (Perl in a Nutshell)
HTTP::Date: 20.3.5. HTTP::Date (Perl in a Nutshell)
HTTP::Headers: 20.3.3. HTTP::Headers (Perl in a Nutshell)
HTTP::Message: 20.3.8. HTTP::Message (Perl in a Nutshell)
HTTP::Request: 20.1. LWP Overview (Perl in a Nutshell)
20.3.1. HTTP::Request (Perl in a Nutshell)
HTTP::Response: 20.1. LWP Overview (Perl in a Nutshell)
20.3.2. HTTP::Response (Perl in a Nutshell)
HTTP::Status: 20.3.4. HTTP::Status (Perl in a Nutshell)
LWP modules
LWP::Debug module: 20.2. The LWP Modules (Perl in a Nutshell)
LWP::MediaTypes module: 20.2. The LWP Modules (Perl in a Nutshell)
LWP::Protocol module: 20.2. The LWP Modules (Perl in a Nutshell)
LWP::RobotUA module: 20.2. The LWP Modules (Perl in a Nutshell)
20.2.1. LWP::RobotUA Sections (Perl in a Nutshell)
LWP::Simple module: 20.2. The LWP Modules (Perl in a Nutshell)
20.2.2. LWP::Simple (Perl in a Nutshell)
LWP::UserAgent module: 20.1. LWP Overview (Perl in a Nutshell)
20.2. The LWP Modules (Perl in a Nutshell)
20.2.3. LWP::UserAgent (Perl in a Nutshell)
URI modules: 20.5. The URI Module (Perl in a Nutshell)
URI::Escape: 20.5. The URI Module (Perl in a Nutshell)
URI::Heuristic: 20.5. The URI Module (Perl in a Nutshell)
URI::URL: 20.5.3. URI::URL (Perl in a Nutshell)
LWP (Library for WWW Access): 22.1. Library for WWW Access in Perl (Mastering Perl/Tk)
LWP module: B.13.2. Sockets (Learning Perl)
LWP:: module namespace: 1.2. History of LWP (Perl & LWP)
LWP modules: 20.0. Introduction (Perl Cookbook)
extracting HTML tags: 20.6.1. Problem (Perl Cookbook)
lwp-request program: 22.1.3. lwp-request and fileevent Rule (Mastering Perl/Tk)
LWP::ConnCache class: 3.4.1. Connection Parameters (Perl & LWP)
LWP::Heuristic module: 20.1.3. Discussion (Perl Cookbook)
LWP::Request module: 20.1.3. Discussion (Perl Cookbook)
LWP::Response module: 20.1.3. Discussion (Perl Cookbook)
LWP::RobotUA: 12.2. A User Agent for Robots (Perl & LWP)
LWP::RobotUA module: 20.11.2. Solution (Perl Cookbook)
LWP::Simple module: 22.1.1. LWP::Simple, the Easiest Way to the Web (Mastering Perl/Tk)
LWP::UserAgent: 22.1.2. Fetching Web Content with LWP::UserAgent (Mastering Perl/Tk)
22.1.5.2. fork and LWP::UserAgent (Mastering Perl/Tk)
LWP::UserAgent class: 3.1. The Basic Classes (Perl & LWP)
3.4. User Agents (Perl & LWP)
connection parameters: 3.4.1. Connection Parameters (Perl & LWP)
constructor options: 3.4. User Agents (Perl & LWP)
cookies: 11.1. Cookies (Perl & LWP)
enabling: 11.1.1. Enabling Cookies (Perl & LWP)
request header lines: 11.2. Adding Extra Request Header Lines (Perl & LWP)
LWP::UserAgent module: 20.1.3. Discussion (Perl Cookbook)


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