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Index: L

\L string escape : 1.9. Controlling Case

\l string escape : 1.9. Controlling Case

labels, menu : 15.14. Creating Menus with Tk

last( ) : 4.12. Finding the First List Element That Passes a Test

laston program : 8.20. Program: laston

lc( ) : 1.9. Controlling Case

lcfirst( ) : 1.9. Controlling Case

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

lexical scope

10.2. Making Variables Private to a Function
10.13. Saving Global Values

libraries : 12.0. Introduction

libwww-perl modules : 20.0. Introduction

line breaks

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

line mode interfaces : 15.0. Introduction

__LINE__ symbol : 10.4. Determining Current Function Name

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

Lingua::EN::Inflect module : 2.18. Printing Correct Plurals

links : (see hyperlinks)

extracting from HTML : 20.3. Extracting URLs

list assignment : 1.3. Exchanging Values Without Using Temporary Variables

list context, detecting : 10.6. Detecting Return Context

listen( ) : 17.0. Introduction

lists : 4.0. Introduction

arrays vs. : 4.0. Introduction

circular : 4.16. Implementing a Circular List

extracting particular elements : 4.6. Extracting Unique Elements from a List

extracting particular subsets : 4.13. Finding All Elements in an Array Matching Certain Criteria

flattened : 4.0. Introduction

initializing : 4.1. Specifying a List In Your Program

iterating through all elements

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

permute programs : 4.19. Program: permute

printing with commas : 4.2. Printing a List with Commas

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

randomizing element order : 4.17. Randomizing an Array

reversing elements of : 4.10. Reversing an Array

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

words program (example) : 4.18. Program: words

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

loading modules : (see modules)

local( )

10.13. Saving Global Values
10.14. Redefining a Function
16.16. Temporarily Overriding a Signal Handler

locale settings : 6.12. Honoring Locale Settings in Regular Expressions

localizing functions : 10.14. Redefining a Function

localtime( )

3.0. Introduction
3.8. Printing a Date

lockarea program : 7.22. Program: lockarea

locking

blocking signals : 16.20. Blocking Signals

DBK files : 14.5. Locking DBM Files

files

7.11. Locking a File
7.21. Program: netlock

region-specific locks : 7.22. Program: lockarea

log files (web server)

19.0. Introduction
20.12. Parsing a Web Server Log File
processing : 20.13. Processing Server Logs

log( ) : 2.13. Taking Logarithms

log10( ) : 2.13. Taking Logarithms

log_base( ) (example) : 2.13. Taking Logarithms

logarithms : 2.13. Taking Logarithms

Logfile::Apache : 20.13. Processing Server Logs

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

login sessions : 15.0. Introduction

logn( ) (Math::Complex) : 2.13. Taking Logarithms

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

lowercase program (example) : 7.7. Writing a Filter

lowercase, converting to uppercase : 1.9. Controlling Case

lst program : 9.12. Program: lst

lvaluable functions : 1.1. Accessing Substrings

LWP modules : 20.0. Introduction

extracting HTML tags : 20.6. Extracting or Removing HTML Tags

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

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

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

LWP::RobotUA module : 20.11. Creating a Robot

LWP::Simple module : 20.1. Fetching a URL from a Perl Script

mirroring web pages : 20.10. Mirroring Web Pages

LWP::UserAgent module : 20.1. Fetching a URL from a Perl Script

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