Index: L
- string escape : Controlling Case
- string escape : Controlling Case
- labels, menu : Creating Menus with Tk
- last( ) : Finding the First List Element That Passes a Test
- laston program : Program: laston
- lc( ) : Controlling Case
- lcfirst( ) : Controlling Case
- leading whitespace, removing : Trimming Blanks from the Ends of a String
- lexical scope
- libraries : Introduction
- libwww-perl modules : Introduction
- line breaks
-
- (see also whitespace)
- Matching Multiple Lines
- counting lines in files : Counting Lines (or Paragraphs or Records) in a File
- defining lines : Processing Binary Files
- deleting last file line : Removing the Last Line of a File
- extracting ranges of lines : Extracting a Range of Lines
- matching across multiple lines : Matching Multiple Lines
- random lines from files : Picking a Random Line from a File
- randomizing file line order : Randomizing All Lines
- reading files backwards : Reading a File Backwards by Line or Paragraph
- reading with continuation characters : Reading Lines with Continuation Characters
- line mode interfaces : Introduction
- __LINE__ symbol : Determining Current Function Name
- LINE: (implicit loop label) : Writing a Filter
- Lingua::EN::Inflect module : Printing Correct Plurals
- links : (see hyperlinks)
-
- extracting from HTML : Extracting URLs
- list assignment : Exchanging Values Without Using Temporary Variables
- list context, detecting : Detecting Return Context
- listen( ) : Introduction
- lists : Introduction
-
- arrays vs. : Introduction
- circular : Implementing a Circular List
- extracting particular elements : Extracting Unique Elements from a List
- extracting particular subsets : Finding All Elements in an Array Matching Certain Criteria
- flattened : Introduction
- initializing : Specifying a List In Your Program
- iterating through all elements
- permute programs : Program: permute
- printing with commas : Printing a List with Commas
- processing multiple elements : Processing Multiple Elements of an Array
- randomizing element order : Randomizing an Array
- reversing elements of : Reversing an Array
- unions, intersections, differences : Finding Elements in One Array but Not Another
- words program (example) : Program: words
- loader program (example) : Removing the DOS Shell Window with Windows Perl/Tk
- loading modules : (see modules)
- local( )
- locale settings : Honoring Locale Settings in Regular Expressions
- localizing functions : Redefining a Function
- localtime( )
- lockarea program : Program: lockarea
- locking
-
- blocking signals : Blocking Signals
- DBK files : Locking DBM Files
- files
- region-specific locks : Program: lockarea
- log files (web server)
- log( ) : Taking Logarithms
- log10( ) : Taking Logarithms
- log_base( ) (example) : Taking Logarithms
- logarithms : Taking Logarithms
- Logfile::Apache : Processing Server Logs
- logical functionality in patterns : Expressing AND, OR, and NOT in a Single Pattern
- login sessions : Introduction
- logn( ) (Math::Complex) : Taking Logarithms
- loop variables : Doing Something with Every Element in a List
- lowercase program (example) : Writing a Filter
- lowercase, converting to uppercase : Controlling Case
- lst program : Program: lst
- lvaluable functions : Accessing Substrings
- LWP modules : Introduction
-
- extracting HTML tags : Extracting or Removing HTML Tags
- LWP::Heuristic module : Fetching a URL from a Perl Script
- LWP::Request module : Fetching a URL from a Perl Script
- LWP::Response module : Fetching a URL from a Perl Script
- LWP::RobotUA module : Creating a Robot
- LWP::Simple module : Fetching a URL from a Perl Script
-
- mirroring web pages : Mirroring Web Pages
- LWP::UserAgent module : Fetching a URL from a Perl Script
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