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Index: L
- l command (Perl debugger)
- Perl in a Nutshell, Chapter 6, Reference: l
- Programming Perl, 8.1.1. Debugger Commands
- L command (Perl debugger)
- Perl in a Nutshell, Chapter 6, Reference: L
- Programming Perl, 8.1.1. Debugger Commands
- -l file test operator
- Learning Perl, 10.5. The -x File Tests
- Perl in a Nutshell, 4.5.8. File Test Operators
- Programming Perl, 2.5.10. Named Unary and File Test Operators
- L<> interior sequence (pod) : Perl in a Nutshell, 4.11.2. Interior sequences
- -l option (dprofpp) : Perl in a Nutshell, 6.5. The Perl Profiler
- -L option (perlcc) : Perl in a Nutshell, 3.4. The Perl Compiler
- \l string escape : Perl Cookbook, 1.9. Controlling Case
- \L string escape : Perl Cookbook, 1.9. Controlling Case
- -l switch, perl
- Perl in a Nutshell, 3.2. Command-Line Options
- Programming Perl, 6.1.2. Switches
- -label option
- Frame widget : Perl in a Nutshell, 18.17. The Frame Widget
- Menubutton widget : Perl in a Nutshell, 18.14.1. Menu Item Options
- Scale widget : Perl in a Nutshell, 18.13. The Scale Widget
- Label widget (Perl/Tk) : Perl in a Nutshell, 18.7. The Label Widget
- label_exists() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: label_exists
- -labelPack option (Frame) : Perl in a Nutshell, 18.17. The Frame Widget
- labels
- Advanced Perl Programming, 14.3.2. Labels and Buttons
- Learning Perl, 9.4. Labeled Blocks
- 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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