Index: L

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## Index: L

\L string escape: 1.13.2. Solution
labels, menu: 15.14.3. Discussion
last( ): 4.13.2. Solution
laston program: 8.26. Program: laston
lc( ): 1.13.2. Solution
lcfirst( ): 1.13.2. Solution
LDAP (Lightweight Directory Access Protocol): 18.8.1. Problem
  server: 18.8.1. Problem
    modify( ) and: 18.8.3. Discussion
    search( ) and: 18.8.3. Discussion
leading whitespace, removing: 1.19.1. Problem
left angle bracket (<)
  file-access modes: 7.. I/O Operations
    7.1.3. Discussion
  <&= and <& open modes: 7.9.2. Solution
  <FH> line input operator: 7.. I/O Operations
  <=> numerical comparison operator: 4.15.2. Solution
lexical scope: 10.2.3. Discussion
libraries: 12.. Other Kinds of Library Files
  DBM: 14.. Introduction
  libxml2: 22.. History of Perl and XML
    22.5.3. Discussion
  OpenSSL: 20.16.3. Discussion
  permissions: 19.3.3.3. Is the script valid Perl?
libwww-perl modules: 20.. Introduction
libxml2 library: 22.. History of Perl and XML
  22.5.3. Discussion
Lightweight Directory Access Protocol (see LDAP)
line breaks
  extracting ranges of lines: 6.8.1. Problem
  lines in files
    counting: 8.2.1. Problem
    deleting last: 8.10.1. Problem
    randomizing order: 8.7.1. Problem
    selecting random: 8.6.1. Problem
  matching within multiple lines: 6.6.1. Problem
  reading files backwards: 8.4.1. Problem
  reading with continuation characters: 8.1.1. Problem
LINE: (implicit loop label): 7.14.3.2. Command-line options
line input operator: 7.. I/O Operations
  8.. Basic Operations
line mode interfaces: 15.. Introduction
__LINE__ symbol: 10.4.3. Discussion
lines
  counting in files: 8.2.1. Problem
  reading files backward by: 8.4.1. Problem
  single, extracting from file: 8.8.1. Problem
Lingua::EN::Inflect module: 2.17.2. Solution
links (see hyperlinks)
links( ), extracting URLs: 20.3.3. Discussion
list assignment: 1.3.2. Solution
list context, detecting: 10.6.1. Problem
lists: 4.. Introduction
  vs. arrays: 4.. Introduction
  circular: 4.17.1. Problem
    4.17.2. Solution
  extracting
    elements: 4.7.1. Problem
    subsets: 4.14.1. Problem
  flattened: 4.. Introduction
  formatting with HTML shortcuts: 19.6.1. Problem
  initializing: 4.1.1. Problem
  iterating through elements: 4.5.1. Problem
    4.13.1. Problem
  permute programs: 4.20. Program: permute
  printing with commas: 4.2.1. Problem
  processing multiple elements: 4.12.1. Problem
  randomizing element order: 4.18.1. Problem
  reversing elements of: 4.11.1. Problem
  sorting by computable field: 4.16.1. Problem
  unions, intersections, differences: 4.8.1. Problem
    4.9.1. Problem
  words program: 4.19. Program: words
List::Util module: 4.13.3. Discussion
  4.18.2. Solution
  8.7.2. Solution
loading modules: 12.10.1. Problem
  with mod_perl: 21.14.1. Problem
local( )
  global values: 10.13.3.1. Using local( ) for temporary values for globals
  overriding signal handlers: 16.16.2. Solution
  redefining functions: 10.14.2. Solution
local operator: 10.13.2. Solution
locale settings: 6.12.1. Problem
localizing functions: 10.14.1. Problem
localtime( ): 3.. Introduction
  3.8.2. Solution
  calculating days: 3.6.2. Solution
  Time::localtime/Time::gmtime: 3.. Introduction
  today's date: 3.1.2. Solution
lockarea program: 7.25. Program: lockarea
locking
  blocking signals: 16.20.1. Problem
  files: 7.18.1. Problem
    advisory locking: 7.18.2. Solution
    netlock program: 7.24. Program: netlock
  region-specific locks: 7.25. Program: lockarea
log( ): 2.12.2. Solution
log files
  (see also logging)
  web server: 20.12.1. Problem
    processing: 20.13.1. Problem
logarithms: 2.12.1. Problem
log_base( ): 2.12.3. Discussion
Logfile::Apache module: 20.13.3. Discussion
logging
  customizing Apache logging requests: 21.9.1. Problem
  port connection attempts: 17.20. Program: backsniff
  server logs, processing: 20.13.3. Discussion
logical functionality in patterns: 6.18.1. Problem
login( ), POP3 server: 18.5.3. Discussion
login sessions: 15.. Introduction
looks_like_number( ): 2.1.3. Discussion
loop variables: 4.5.3. Discussion
lowercase, converting to uppercase: 1.13.1. Problem
lst program: 9.13. Program: lst
lvaluable functions: 1.1.3. Discussion
LWP modules: 20.. Introduction
  extracting HTML tags: 20.6.1. Problem
LWP::RobotUA module: 20.11.2. Solution
LWP::Simple module: 20.1.2. Solution
  automating HTML forms: 20.2.3. Discussion
  finding stale hyperlinks: 20.7.2. Solution
  mirroring web pages: 20.10.2. Solution
LWP::UserAgent module: 20.1.3. Discussion
  automating HTML forms: 20.2.2. Solution
  using cookies: 20.14.2. Solution

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