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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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